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MOTHERBOARDS · YOUR NEXT FACE-OFF

ASUS ROG STRIX B850-I GAMING WIFI vs MSI PRO A620M-E

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

ASUS ROG STRIX B850-I GAMING WIFI

90MB1K30-M0MAY0 · AM5 · Mini-ITX · ASUS UK specification

ASUS ROG STRIX B850-I GAMING WIFI motherboard, official front view showing its exact board layout, processor socket, memory slots and heatsinks.
Exact model & source notes

A Mini-ITX AM5 motherboard with 2 DDR5 memory slots, 2 M.2 storage positions and Wi-Fi 7 alongside wired Ethernet.

Specifications checked 10 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications
WHICH SUITS YOU?

Choose the ASUS ROG STRIX B850-I GAMING WIFI for

  • A Mini-ITX board
  • More stated M.2 storage positions: 2 vs 1
  • Built-in Wi-Fi

Choose the MSI PRO A620M-E for

  • A Micro-ATX board
  • More stated SATA storage ports: 4 vs 2
Built from verified specifications that differ. Not a rating or a recommendation.
See the 9 verified differences
THE CONTENDER

MSI PRO A620M-E

AM5 · Micro-ATX · DDR5 · board-only configuration · MSI global specification

MSI PRO A620M-E motherboard, top view of the exact global model; CPU and memory are not installed
Exact model & source notes

A Micro-ATX AM5 motherboard with AMD A620: two DDR5 slots (up to 128 GB, DDR5-6800+ OC), a PCIe 4.0 x16 graphics slot, one PCIe 4.0 x4 M.2 slot and Realtek 1 Gb Ethernet.

Specifications checked 21 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

ASUS ROG STRIX B850-I GAMING WIFI UK & US retailers

UK & US price history: no verified listing yet

MSI PRO A620M-E UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison
  • Manufacturer facts for the exact models shown. Not a quality rating or a test result.
  • “Different” means the known values differ, not that one is better.
  • Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
SPECIFICATIONS SIDE BY SIDE8 topics
SELECTED TOPIC
01 / 08

Chipset

Different hardware. A chip name or generation does not quantify real-world performance.

ASUS ROG STRIX B850-I GAMING WIFIAMD B850

Manufacturer specification

MSI PRO A620M-EAMD A620

Manufacturer specification

Explore the full specifications

Plan the complete platform. Check the exact CPU-support list, required BIOS and memory validation before buying. PCIe generations and lane allocations can change with the processor. A socket match or slot count is not a guarantee that every component works together at its highest advertised setting.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

9 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.

Form factor

In Visual facts
ASUS ROG STRIX B850-I GAMING WIFIMini-ITX: 170 × 170 mm
MSI PRO A620M-EMicro-ATX; 243.84 × 211 mm
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Check case mounting positions and connector clearance.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing.

MSI PRO A620M-E — manufacturer specifications

Check the exact configuration and source conditions for your use.

Memory type, slots and limit

In Visual facts
ASUS ROG STRIX B850-I GAMING WIFI2 DDR5 DIMM slots; up to 128 GB; dual channel; AMD EXPO
MSI PRO A620M-E2 DDR5 DIMM slots; dual channel; up to 128 GB; up to DDR5-6800+ (OC); AMD EXPO; non-ECC unbuffered
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Supported capacity, module population and profile speeds depend on the exact CPU, installed BIOS and validated memory kit. Profile support does not guarantee an overclock.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

The overclocked speed is MSI's 1DPC 1R maximum; MSI lists 1DPC 2R up to 6000+ MHz. JEDEC default is DDR5-4800. · Manufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable.

MSI PRO A620M-E — manufacturer specifications

Check the exact configuration and source conditions for your use.

Storage interfaces

In Visual facts
ASUS ROG STRIX B850-I GAMING WIFI2 M.2 storage positions; 2 SATA 6 Gb/s ports
MSI PRO A620M-E1 × M.2 PCIe 4.0 x4; 4 × SATA 6 Gb/s
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Both M.2 slots support PCIe 5.0 x4 with Ryzen 9000/7000. Ryzen 8000 changes both connections to PCIe 4.0; check the exact processor's supported configuration.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

M2_1 connects to the CPU. · Manufacturer specification · M2_1 accepts 2280/2260 drives.

MSI PRO A620M-E — manufacturer specifications

Check the exact configuration and source conditions for your use.

M.2 storage positions

In Visual facts
ASUS ROG STRIX B850-I GAMING WIFI2
MSI PRO A620M-E1
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Both M.2 slots support PCIe 5.0 x4 with Ryzen 9000/7000. Ryzen 8000 changes both connections to PCIe 4.0; check the exact processor's supported configuration.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Onboard M.2 storage positions only. M2_1 accepts 2280/2260 drives. Check exact processor, BIOS and drive compatibility.

MSI PRO A620M-E — manufacturer specifications

Check the exact configuration and source conditions for your use.

PCIe expansion configuration

In Visual facts
ASUS ROG STRIX B850-I GAMING WIFIAMD Ryzen 9000 & 7000 Series Desktop Processors 1 × PCIe 5.0 × 16 slot with Q-Release Slim AMD Ryzen 8000 Series Desktop Processors 1 × PCIe 4.0 × 16 slot with Q-Release Slim - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.
MSI PRO A620M-E1 PCIe 3.0 x1 slot
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Both M.2 slots support PCIe 5.0 x4 with Ryzen 9000/7000. Ryzen 8000 changes both connections to PCIe 4.0; check the exact processor's supported configuration.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · The secondary connector is labelled PCI_E2 on this model.

MSI PRO A620M-E — manufacturer specifications

Check the exact configuration and source conditions for your use.

Show 3 more verified differences

Network interfaces

In Visual facts
ASUS ROG STRIX B850-I GAMING WIFI1 × Intel 2.5Gb Ethernet; Wi-Fi 7 (160 MHz listed); Bluetooth 5.4 listed
MSI PRO A620M-ERealtek 8111H 1 Gb Ethernet
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Wireless bands and channel widths depend on local rules, the operating system and the installed module. Full Wi-Fi 7 features require Windows 11 24H2 or later where stated by ASUS; Bluetooth versions may vary by module.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Wired Ethernet only; MSI lists no Wi-Fi or Bluetooth hardware for this board.

MSI PRO A620M-E — manufacturer specifications

Check the exact configuration and source conditions for your use.

Audio hardware

ASUS ROG STRIX B850-I GAMING WIFIALC4080 codec; manufacturer-listed 7.1-channel configuration
MSI PRO A620M-ERealtek ALC897 codec; 7.1-channel
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Channel configuration and spatial-audio support depend on the connected outputs, chassis audio wiring and software. A codec name is not an independent sound-quality measurement.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.

MSI PRO A620M-E — manufacturer specifications

Check the exact configuration and source conditions for your use.

SATA storage ports

ASUS ROG STRIX B850-I GAMING WIFI2
MSI PRO A620M-E4
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · SATA 6 Gb/s; check the source for lane sharing and drive power requirements.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M2_1 accepts 2280/2260 drives. Check exact processor, BIOS and drive compatibility.

MSI PRO A620M-E — manufacturer specifications

Check the exact configuration and source conditions for your use.

Configuration & compatibility details (1)

CPU support / BIOS source

ASUS ROG STRIX B850-I GAMING WIFIAMD Ryzen 9000, 8000 and 7000 desktop processors. Verify the exact CPU and minimum BIOS using ASUS support before buying.
MSI PRO A620M-EAMD Ryzen 9000 / 8000 / 7000 Series
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · A shared socket and processor-family listing do not confirm that a particular BIOS revision supports every processor in that family.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board.

MSI PRO A620M-E — manufacturer specifications

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

Missing or non-comparable evidence (23)

Firmware storage

ASUS ROG STRIX B850-I GAMING WIFI256 Mb Flash ROM, UEFI AMI BIOS
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Flash-ROM capacity does not identify the BIOS version installed on a retail board.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear Flash BIOS button

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

MSI's rear-panel list for this board does not mention a Flash BIOS button; check the manual if you need BIOS flashback. · Manufacturer specification

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear BIOS FlashBack button

ASUS ROG STRIX B850-I GAMING WIFIYes
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Use the exact model firmware and follow ASUS instructions; a button does not establish the currently installed BIOS version.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Listed Bluetooth version

ASUS ROG STRIX B850-I GAMING WIFI5.4
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · The manufacturer notes that the Bluetooth version can depend on the installed wireless module.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Diagnostic indicators

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-E4 EZ Debug LEDs
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

Manufacturer specification

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Integrated-graphics display connections

ASUS ROG STRIX B850-I GAMING WIFI1 × HDMI port 1 × USB 10Gbps ports support USB Type-C display outputs Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. Supports 4K@60Hz as specified in HDMI 2.1. Supports max. 4K@60Hz as specified in DisplayPort 1.4a VGA resolution support depends on processors' or graphic cards' resolution.
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · These are manufacturer-listed configurations, not measured display performance. A compatible processor with graphics, suitable cable and supported display mode are required.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

ECC memory operating mode

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

MSI specifies non-ECC unbuffered memory and does not say whether ECC modules are accepted. · Manufacturer specification

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Wired Ethernet

ASUS ROG STRIX B850-I GAMING WIFI1 × Intel 2.5Gb Ethernet
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Link-rate capability; real throughput depends on the connected network, cabling and workload.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Fan and pump headers

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-E1 CPU; 2 system fan headers
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

Manufacturer specification · Counts do not establish connector current limits.

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Internal USB connections

ASUS ROG STRIX B850-I GAMING WIFIFront USB (Total 5 ports) 1 × USB 10Gbps 1 × USB 5Gbps header(s) support(s) 2 additional USB 5Gbps ports 1 × USB 2.0 header(s) support(s) 2 additional USB 2.0 ports USB Type-C power delivery output: max. 5V/3A
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Headers need compatible case ports or accessories; they are not additional rear sockets. Follow the stated power and cable requirements.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Processor-dependent display outputs

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-EHDMI 2.1: up to 4K 60 Hz; VGA
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

Manufacturer specification · Requires integrated CPU graphics. VGA limits: 2048×1536 at 50 Hz, 2048×1280 or 1920×1200 at 60 Hz.

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Memory population OC limits

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-E1DPC 1R: 6800+ MHz; 1DPC 2R: 6000+ MHz
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

MSI labels these memory speeds in MHz (manufacturer notation); they are the rated data rates. · Manufacturer specification · Manufacturer OC limits, not guaranteed stability or measured performance. CPU, BIOS and memory-module compatibility apply.

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Listed memory overclocking profiles

ASUS ROG STRIX B850-I GAMING WIFIRyzen 9000: up to 8200+ MT/s (OC); Ryzen 8000: up to 9600+ MT/s (OC); Ryzen 7000: up to 8000+ MT/s (OC)
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · These are manufacturer-listed overclocking configurations, not guaranteed stock transfer rates or tested performance. CPU family and DIMM layout remain material.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

NVMe RAID modes

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

MSI lists RAID modes for SATA drives only; NVMe RAID support is not stated. · Manufacturer specification

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Listed operating systems

ASUS ROG STRIX B850-I GAMING WIFIWindows 11
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Individual features and drivers can have newer operating-system requirements, particularly wireless networking.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Primary PCIe link

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-EPCI_E1: CPU PCIe 4.0 up to x16
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

Manufacturer specification · x16 with Ryzen 9000/7000; x8 with Ryzen 8700/8600/8400; x4 with Ryzen 8500/8300.

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Motherboard power connections

ASUS ROG STRIX B850-I GAMING WIFI1 × 24-pin Main Power connector 1 × 8-pin +12V CPU Power connector
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Check the complete connector list and the PSU cable type. Additional graphics-card, front-panel fast-charge and cooling connections can have separate requirements.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear connections

ASUS ROG STRIX B850-I GAMING WIFI1 × USB 20Gbps port(s) 5 × USB 10Gbps port(s) (4 × Type-A + 1 × USB Type-C with DP Alt mode) 2 × USB 2.0 port(s) (2 × Type-A) 1 × HDMI port 1 × Wi-Fi module 1 × Intel 2.5Gb Ethernet port 3 × Audio jacks 1 × Optical S/PDIF out port 1 × BIOS FlashBack button 1 × Clear CMOS button 1 × FlexKey button
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Connector count and listed modes describe the rear panel. USB-C display and charging capability depends on the specific port; display output also depends on the CPU and source configuration.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Specification market

ASUS ROG STRIX B850-I GAMING WIFIASUS UK documentation
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · UK and US buying links are searches, not proof of stock, identical regional wireless modules, bundles or warranty. Confirm the exact model and part identifier with the retailer.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SATA RAID modes

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-ERAID 0/1/10
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

Manufacturer specification

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Front USB header capacity

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-E4 USB 2.0; 2 USB 5 Gb/s
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

Manufacturer specification · Internal-header capacity; requires compatible case ports and wiring. Not rear-panel sockets.

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear USB ports

ASUS ROG STRIX B850-I GAMING WIFINot verified
MSI PRO A620M-E2 USB 2.0; 4 USB 5 Gb/s Type-A
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded for this side.

MSI PRO A620M-E

Manufacturer specification

MSI PRO A620M-E — manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Included Wi-Fi

ASUS ROG STRIX B850-I GAMING WIFIYes
MSI PRO A620M-ENot verified
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Wi-Fi 7; 160 MHz listed. Wireless bands and channel widths depend on local rules, the operating system and the installed module. Full Wi-Fi 7 features require Windows 11 24H2 or later where stated by ASUS; Bluetooth versions may vary by module.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

3 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ASUS ROG STRIX B850-I GAMING WIFI

What it brings

  • 2 M.2 storage positions and 2 SATA connectors provide several drive-connection options.
  • 1 × Intel 2.5Gb Ethernet and Wi-Fi 7 offer both wired and wireless network connections.

What to check

  • Both M.2 slots support PCIe 5.0 x4 with Ryzen 9000/7000. Ryzen 8000 changes both connections to PCIe 4.0; check the exact processor's supported configuration.
  • Check the exact processor, BIOS and memory kit before purchase. The 128 GB ceiling and listed overclocking profiles are configuration limits, not a tested build guarantee.
  • Two DIMM positions mean a later capacity increase may require replacing both installed modules.

MSI PRO A620M-E

What it brings

  • Supports AMD Ryzen 9000, 8000 and 7000 Series processors, with DDR5 memory rated up to DDR5-6800+ (OC) and AMD EXPO.
  • HDMI 2.1 (up to 4K 60 Hz) and VGA outputs for processors with integrated graphics, plus four EZ Debug LEDs.

What to check

  • Two DDR5 slots limit memory to 128 GB, and there is only one M.2 slot, 1 Gb Ethernet and no Wi-Fi.
COMPARE THE DETAILS

Full specifications

How we verify
36 of 36 specifications Sources in each row
Source-backed specifications for ASUS ROG STRIX B850-I GAMING WIFI and MSI PRO A620M-E
SpecificationASUS ROG STRIX B850-I GAMING WIFIMSI PRO A620M-E
CPU socket
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket.

MSI PRO A620M-E — manufacturer specifications
AM5AM5
ChipsetDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification

MSI PRO A620M-E — manufacturer specifications
AMD B850AMD A620
Form factorDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Check case mounting positions and connector clearance.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing.

MSI PRO A620M-E — manufacturer specifications
Mini-ITX: 170 × 170 mmMicro-ATX; 243.84 × 211 mm
CPU support / BIOS sourceDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · A shared socket and processor-family listing do not confirm that a particular BIOS revision supports every processor in that family.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board.

MSI PRO A620M-E — manufacturer specifications
AMD Ryzen 9000, 8000 and 7000 desktop processors. Verify the exact CPU and minimum BIOS using ASUS support before buying.AMD Ryzen 9000 / 8000 / 7000 Series
Firmware storage
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Flash-ROM capacity does not identify the BIOS version installed on a retail board.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

256 Mb Flash ROM, UEFI AMI BIOSNot provided
Listed operating systems
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Individual features and drivers can have newer operating-system requirements, particularly wireless networking.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

Windows 11Not provided
Rear BIOS FlashBack button
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Use the exact model firmware and follow ASUS instructions; a button does not establish the currently installed BIOS version.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

YesNot provided
Memory type, slots and limitDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Supported capacity, module population and profile speeds depend on the exact CPU, installed BIOS and validated memory kit. Profile support does not guarantee an overclock.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

The overclocked speed is MSI's 1DPC 1R maximum; MSI lists 1DPC 2R up to 6000+ MHz. JEDEC default is DDR5-4800. · Manufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable.

MSI PRO A620M-E — manufacturer specifications
2 DDR5 DIMM slots; up to 128 GB; dual channel; AMD EXPO2 DDR5 DIMM slots; dual channel; up to 128 GB; up to DDR5-6800+ (OC); AMD EXPO; non-ECC unbuffered
Maximum listed memory
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Manufacturer capacity ceiling; check CPU support, BIOS and the validated DIMM population.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable.

MSI PRO A620M-E — manufacturer specifications
128 GB128 GB
DIMM slots
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Physical DDR5 module positions; this count is not a guarantee of capacity or profile speed.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Physical DDR5 module positions, not included modules. Consult the board manual for population order and compatible capacities.

MSI PRO A620M-E — manufacturer specifications
22
Listed memory overclocking profiles
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · These are manufacturer-listed overclocking configurations, not guaranteed stock transfer rates or tested performance. CPU family and DIMM layout remain material.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

Ryzen 9000: up to 8200+ MT/s (OC); Ryzen 8000: up to 9600+ MT/s (OC); Ryzen 7000: up to 8000+ MT/s (OC)Not provided
Memory population OC limits
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

MSI labels these memory speeds in MHz (manufacturer notation); they are the rated data rates. · Manufacturer specification · Manufacturer OC limits, not guaranteed stability or measured performance. CPU, BIOS and memory-module compatibility apply.

MSI PRO A620M-E — manufacturer specifications
Not provided1DPC 1R: 6800+ MHz; 1DPC 2R: 6000+ MHz
Storage interfacesDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Both M.2 slots support PCIe 5.0 x4 with Ryzen 9000/7000. Ryzen 8000 changes both connections to PCIe 4.0; check the exact processor's supported configuration.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

M2_1 connects to the CPU. · Manufacturer specification · M2_1 accepts 2280/2260 drives.

MSI PRO A620M-E — manufacturer specifications
2 M.2 storage positions; 2 SATA 6 Gb/s ports1 × M.2 PCIe 4.0 x4; 4 × SATA 6 Gb/s
M.2 storage positionsDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Both M.2 slots support PCIe 5.0 x4 with Ryzen 9000/7000. Ryzen 8000 changes both connections to PCIe 4.0; check the exact processor's supported configuration.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Onboard M.2 storage positions only. M2_1 accepts 2280/2260 drives. Check exact processor, BIOS and drive compatibility.

MSI PRO A620M-E — manufacturer specifications
21
SATA storage portsDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · SATA 6 Gb/s; check the source for lane sharing and drive power requirements.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M2_1 accepts 2280/2260 drives. Check exact processor, BIOS and drive compatibility.

MSI PRO A620M-E — manufacturer specifications
24
SATA RAID modes
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

Manufacturer specification

MSI PRO A620M-E — manufacturer specifications
Not providedRAID 0/1/10
PCIe expansion configurationDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Both M.2 slots support PCIe 5.0 x4 with Ryzen 9000/7000. Ryzen 8000 changes both connections to PCIe 4.0; check the exact processor's supported configuration.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · The secondary connector is labelled PCI_E2 on this model.

MSI PRO A620M-E — manufacturer specifications
AMD Ryzen 9000 & 7000 Series Desktop Processors 1 × PCIe 5.0 × 16 slot with Q-Release Slim AMD Ryzen 8000 Series Desktop Processors 1 × PCIe 4.0 × 16 slot with Q-Release Slim - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.1 PCIe 3.0 x1 slot
Primary PCIe link
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

Manufacturer specification · x16 with Ryzen 9000/7000; x8 with Ryzen 8700/8600/8400; x4 with Ryzen 8500/8300.

MSI PRO A620M-E — manufacturer specifications
Not providedPCI_E1: CPU PCIe 4.0 up to x16
Rear connections
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Connector count and listed modes describe the rear panel. USB-C display and charging capability depends on the specific port; display output also depends on the CPU and source configuration.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

1 × USB 20Gbps port(s) 5 × USB 10Gbps port(s) (4 × Type-A + 1 × USB Type-C with DP Alt mode) 2 × USB 2.0 port(s) (2 × Type-A) 1 × HDMI port 1 × Wi-Fi module 1 × Intel 2.5Gb Ethernet port 3 × Audio jacks 1 × Optical S/PDIF out port 1 × BIOS FlashBack button 1 × Clear CMOS button 1 × FlexKey buttonNot provided
Internal USB connections
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Headers need compatible case ports or accessories; they are not additional rear sockets. Follow the stated power and cable requirements.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

Front USB (Total 5 ports) 1 × USB 10Gbps 1 × USB 5Gbps header(s) support(s) 2 additional USB 5Gbps ports 1 × USB 2.0 header(s) support(s) 2 additional USB 2.0 ports USB Type-C power delivery output: max. 5V/3ANot provided
Integrated-graphics display connections
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · These are manufacturer-listed configurations, not measured display performance. A compatible processor with graphics, suitable cable and supported display mode are required.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

1 × HDMI port 1 × USB 10Gbps ports support USB Type-C display outputs Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. Supports 4K@60Hz as specified in HDMI 2.1. Supports max. 4K@60Hz as specified in DisplayPort 1.4a VGA resolution support depends on processors' or graphic cards' resolution.Not provided
Audio hardwareDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Channel configuration and spatial-audio support depend on the connected outputs, chassis audio wiring and software. A codec name is not an independent sound-quality measurement.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.

MSI PRO A620M-E — manufacturer specifications
ALC4080 codec; manufacturer-listed 7.1-channel configurationRealtek ALC897 codec; 7.1-channel
Processor-dependent display outputs
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

Manufacturer specification · Requires integrated CPU graphics. VGA limits: 2048×1536 at 50 Hz, 2048×1280 or 1920×1200 at 60 Hz.

MSI PRO A620M-E — manufacturer specifications
Not providedHDMI 2.1: up to 4K 60 Hz; VGA
Rear USB ports
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

Manufacturer specification

MSI PRO A620M-E — manufacturer specifications
Not provided2 USB 2.0; 4 USB 5 Gb/s Type-A
Front USB header capacity
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

Manufacturer specification · Internal-header capacity; requires compatible case ports and wiring. Not rear-panel sockets.

MSI PRO A620M-E — manufacturer specifications
Not provided4 USB 2.0; 2 USB 5 Gb/s
Network interfacesDifferent
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Wireless bands and channel widths depend on local rules, the operating system and the installed module. Full Wi-Fi 7 features require Windows 11 24H2 or later where stated by ASUS; Bluetooth versions may vary by module.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

Manufacturer specification · Wired Ethernet only; MSI lists no Wi-Fi or Bluetooth hardware for this board.

MSI PRO A620M-E — manufacturer specifications
1 × Intel 2.5Gb Ethernet; Wi-Fi 7 (160 MHz listed); Bluetooth 5.4 listedRealtek 8111H 1 Gb Ethernet
Wired Ethernet
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Link-rate capability; real throughput depends on the connected network, cabling and workload.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

1 × Intel 2.5Gb EthernetNot provided
Included Wi-Fi
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Wi-Fi 7; 160 MHz listed. Wireless bands and channel widths depend on local rules, the operating system and the installed module. Full Wi-Fi 7 features require Windows 11 24H2 or later where stated by ASUS; Bluetooth versions may vary by module.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

YesNot provided
Listed Bluetooth version
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · The manufacturer notes that the Bluetooth version can depend on the installed wireless module.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

5.4Not provided
Motherboard power connections
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · Check the complete connector list and the PSU cable type. Additional graphics-card, front-panel fast-charge and cooling connections can have separate requirements.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

1 × 24-pin Main Power connector 1 × 8-pin +12V CPU Power connectorNot provided
Fan and pump headers
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

Manufacturer specification · Counts do not establish connector current limits.

MSI PRO A620M-E — manufacturer specifications
Not provided1 CPU; 2 system fan headers
Diagnostic indicators
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

Manufacturer specification

MSI PRO A620M-E — manufacturer specifications
Not provided4 EZ Debug LEDs
Specification market
Sources
ASUS ROG STRIX B850-I GAMING WIFI

Manufacturer specification · UK and US buying links are searches, not proof of stock, identical regional wireless modules, bundles or warranty. Confirm the exact model and part identifier with the retailer.

ASUS ROG STRIX B850-I GAMING WIFI — technical specifications
MSI PRO A620M-E

No source recorded.

ASUS UK documentationNot provided
Show unverified (3)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.
Specifications without verified values for either product
NVMe RAID modes
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

MSI lists RAID modes for SATA drives only; NVMe RAID support is not stated. · Manufacturer specification

MSI PRO A620M-E — manufacturer specifications
Not providedNot provided
Rear Flash BIOS button
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

MSI's rear-panel list for this board does not mention a Flash BIOS button; check the manual if you need BIOS flashback. · Manufacturer specification

MSI PRO A620M-E — manufacturer specifications
Not providedNot provided
ECC memory operating mode
Sources
ASUS ROG STRIX B850-I GAMING WIFI

No source recorded.

MSI PRO A620M-E

MSI specifies non-ECC unbuffered memory and does not say whether ECC modules are accepted. · Manufacturer specification

MSI PRO A620M-E — manufacturer specifications
Not providedNot provided
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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.