MOTHERBOARDS · YOUR NEXT FACE-OFF

ASUS Pro WS W790-ACE vs MSI PRO B550M-VC WIFI

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

Compared products

YOUR FIRST CHOICE

ASUS Pro WS W790-ACE

UK manufacturer specification · Pro WS W790-ACE

Full product profile Official image

Exact model & source notes

Pro WS W790-ACE motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

Specifications checked 17 Oct 2026.

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

Manufacturer specifications

WHICH SUITS YOU?

Different platforms: LGA4677 vs AM4 sockets. Each board fits only processors made for its socket. DDR5 and DDR4 memory are not interchangeable.

Choose the ASUS Pro WS W790-ACE for

An LGA4677 processor you already have
DDR5 memory you already have

Choose the MSI PRO B550M-VC WIFI for

An AM4 processor you already have
DDR4 memory you already have
Built-in Wi-Fi

Built from verified specifications that differ. Not a rating or a recommendation.

See the 7 verified differences

THE CONTENDER

MSI PRO B550M-VC WIFI

AM4 · Micro-ATX · DDR4 · board-only configuration · MSI global specification

Full product profile Official image

Exact model & source notes

A Micro-ATX AM4 motherboard with AMD B550: four DDR4 slots rated up to DDR4-4400+ (OC), a PCIe 4.0 x16 graphics slot, two M.2 slots (one PCIe 4.0 x4), eight SATA ports and AMD Wi-Fi 6E with Bluetooth 5.2.

Specifications checked 21 Sept 2026.

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

Manufacturer specifications

ASUS Pro WS W790-ACE UK & US retailers

UK & US price history: no verified listing yet

MSI PRO B550M-VC WIFI 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 SIDE7 topics

SELECTED TOPIC

01 / 07

CPU socket

Check the exact configuration and source conditions for your use.

ASUS Pro WS W790-ACELGA4677

Manufacturer specification

Source 1

MSI PRO B550M-VC WIFIAM4

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

Source 1

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 ↓

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

CPU socket

In Visual facts

ASUS Pro WS W790-ACELGA4677

MSI PRO B550M-VC WIFIAM4

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

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

MSI PRO B550M-VC WIFI — manufacturer specifications

Check the exact configuration and source conditions for your use.

Chipset

In Visual facts

ASUS Pro WS W790-ACEIntel® W790 Chipset

MSI PRO B550M-VC WIFIAMD B550

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

Manufacturer specification

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Form factor and dimensions

In Visual facts

ASUS Pro WS W790-ACECEB Form Factor 12 inch x 10.5 inch (30.5 cm x 26.67 cm)

MSI PRO B550M-VC WIFIMicro-ATX; 244 × 244 mm

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

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

MSI PRO B550M-VC WIFI — manufacturer specifications

Check the exact configuration and source conditions for your use.

Memory type, slots and limit

In Visual facts

ASUS Pro WS W790-ACE8 x DIMM slots, Max. 2048GB, DDR5 6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200(OC)/5000(OC)/4800 ECC Registered Memory* Quad Channel Memory Architecture Supports Intel® Extreme Memory Profile (XMP) * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support under the Support tab or visit https://www.asus.com/support/

MSI PRO B550M-VC WIFI4 DDR4 DIMM slots; dual channel; up to 128 GB; up to DDR4-4400+ (OC); A-XMP; non-ECC unbuffered

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

The overclocked speed is MSI's 1DPC 1R maximum; MSI lists 1DPC 2R up to 3733, 2DPC 1R up to 3866 and 2DPC 2R up to 3466 MHz. JEDEC speeds run up to DDR4-3200. · Manufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable.

MSI PRO B550M-VC WIFI — manufacturer specifications

Check the exact configuration and source conditions for your use.

Storage interfaces and restrictions

In Visual facts

ASUS Pro WS W790-ACETotal supports 2 x M.2 slots, 4 x SATA 6Gb/s ports and 3 x SlimSAS ports* Intel® W790 Chipset** M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) SlimSAS_1 slot supports PCIe 3.0 x4 mode NVMe device SlimSAS_2 slot supports PCIe 4.0 x4 mode or up to 4 SATA devices via a transfer cable. The cable is perchased seperately. SlimSAS_3 slot supports PCIe 4.0 x4 mode NVMe device 4 x SATA 6Gb/s ports* * Supports Intel® Virtual RAID on CPU (Intel® VROC) and Intel Volume Management Device (Intel®VMD) ** Intel® VROC Technology supports PCIe RAID 0/1/5/10, SATA RAID 0/1/5/10. VROC HW_Key is purchased separately.

MSI PRO B550M-VC WIFI1 × M.2 PCIe 4.0 x4; 1 × M.2 PCIe 3.0 x4; M2_1 also supports SATA; 8 × SATA 6 Gb/s

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

M2_1 connects to the CPU; M2_2 connects to the B550 chipset. Four SATA ports come from the B550 chipset and four from an ASMedia ASM1064 controller. · Manufacturer specification · M2_1 runs at PCIe 4.0 or 3.0 depending on the installed processor. Both M.2 slots accept 2242/2260/2280 drives.

MSI PRO B550M-VC WIFI — manufacturer specifications

Check the exact configuration and source conditions for your use.

Network interfaces and requirements

In Visual facts

ASUS Pro WS W790-ACE1 x Marvell® AQtion 10Gb Ethernet 1 x Intel® 2.5Gb Ethernet ASUS LANGuard

MSI PRO B550M-VC WIFIRealtek 8111GN or 8111HN 1 Gb Ethernet; AMD Wi-Fi 6E; Bluetooth 5.2

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

Manufacturer specification · 6 GHz availability depends on country rules, operating system and drivers. Link capabilities are not measured throughput.

MSI PRO B550M-VC WIFI — manufacturer specifications

Check the exact configuration and source conditions for your use.

Show 1 more verified difference

Audio interfaces

In Visual facts

ASUS Pro WS W790-ACERealtek S1220A 7.1 Surround Sound High Definition Audio CODEC* - Impedance sense for front and rear headphone outputs - Internal audio Amplifier to enhance the highest quality sound for headphone and speakers - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in) - Supports up to 32-Bit/192 kHz playback* Audio Features - Power pre-regulator reduces power input noise to ensure consistent performance - Rear optical S/PDIF out port - Premium audio capacitors - Dedicated audio PCB layers - Unique de-pop circuit * Due to limitations in HDA bandwidth, 32-Bit/192 kHz is not supported for 7.1 Surround Sound audio.

MSI PRO B550M-VC WIFIRealtek ALC892 or ALC897 codec; 7.1-channel

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

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 B550M-VC WIFI — manufacturer specifications

Check the exact configuration and source conditions for your use.

Configuration & compatibility details (1)

CPU support and BIOS requirements

ASUS Pro WS W790-ACEIntel® Socket LGA4677 for Xeon® Xeon W-3500/W-3400 and W-2500/W-2400 Series Processors* Supports Intel® Turbo Boost Max Technology 3.0 * Refer to www.asus.com for CPU support list. BIOS: 512 Mb Flash ROM, UEFI AMI BIOS

MSI PRO B550M-VC WIFIAMD Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 Series

Sources

ASUS Pro WS W790-ACE

Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor.

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

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 B550M-VC WIFI — manufacturer specifications MSI PRO B550M-VC WIFI — exact model datasheet

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

Missing or non-comparable evidence (18)

DIMM slots

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFI4

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · Physical DDR4 module positions, not included modules. Consult the board manual for population order and compatible capacities.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Maximum listed memory

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFI128 GB

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

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. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Onboard M.2 storage slots

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFI2

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · Onboard M.2 storage positions only. M.2 PCIe generation depends on the installed CPU. Both M.2 slots accept 2242/2260/2280 drives. Four SATA ports come from B550 and four from ASM1064.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Secondary expansion slots

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFI3 long PCIe 3.0 slots wired x1

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · Physical connector length and electrical lane count differ.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Rear Flash BIOS button

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFIYes

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · Recovery procedure and USB preparation require the manual.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Expansion slots and restrictions

ASUS Pro WS W790-ACEIntel® Xeon® W-3500/W-3400 and W-2500/W-2400 Series Processors 5 x PCIe 5.0 x16 slot(s) (supports x16, x16, x16, x0/x8, x16/x8 modes) * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported peripherals.

MSI PRO B550M-VC WIFINot verified

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

No source recorded for this side.

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

Cooling headers

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFI1 CPU; 1 pump; 3 system fan headers

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · No included fans or current limits inferred.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Processor-dependent display outputs

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFIVGA; DisplayPort 4096×2160 at 60 Hz; HDMI 2.1 4096×2160 at 60 Hz

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · Requires integrated processor graphics; CPU-dependent modes.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Internal headers and connectors

ASUS Pro WS W790-ACEFan and Cooling related 1 x 4-pin CPU Fan header(s) 1 x 4-pin CPU OPT Fan header(s) 5 x 4-pin Chassis Fan header(s) 1 x W_PUMP+ header(s) Power related 2 x 24-pin Main Power connector 4 x 8-pin +12V Power connector 1 x 8-pin PCIe Power connector Storage related 2 x M.2 slots (Key M) 3 x SlimSAS slots 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 2x2 connector (support(s) USB Type-C® ) 1 x USB 3.2 Gen 1 header(s) support(s) 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports Miscellaneous 1 x BMC header 1 x COM Port header 1 x FlexKey button 1 x Front Panel Audio header (AAFP) 1 x LN2 Mode jumper 1 x ReTry button 1 x Start button 1 x SPI TPM header (14-1pin) 1 x 20-3 pin System Panel header with Chassis intrude function 1 x Thermal Sensor header 1 x VROC Key header

MSI PRO B550M-VC WIFINot verified

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

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 Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFIRAID 0/1

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · Requires compatible drives and array configuration.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Listed operating systems

ASUS Pro WS W790-ACEWindows® 11, Windows® 10 64-bit

MSI PRO B550M-VC WIFINot verified

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

No source recorded for this side.

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

Primary expansion-slot link

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFIPCI_E1: PCIe 4.0 x16

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · PCIe 4.0 or 3.0 depending on the installed processor; not a measured graphics performance result.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Rear-panel ports

ASUS Pro WS W790-ACE1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C®) 4 x USB 3.2 Gen 2 port(s) (4 x Type-A) 8 x USB 2.0 port(s) (8 x Type-A) 1 x Marvell® AQtion 10Gb Ethernet port 1 x Intel® 2.5Gb Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack™ button 1 x Clear CMOS button

MSI PRO B550M-VC WIFINot verified

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

No source recorded for this side.

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

SATA storage ports

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFI8

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M.2 PCIe generation depends on the installed CPU. Both M.2 slots accept 2242/2260/2280 drives. Four SATA ports come from B550 and four from ASM1064.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

SATA RAID modes

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFIRAID 0/1/10

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · Requires array configuration. No cross-controller array support inferred.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

USB ports and headers

ASUS Pro WS W790-ACERear USB (Total 13 ports) 1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C®) 4 x USB 3.2 Gen 2 port(s) (4 x Type-A ) 8 x USB 2.0 port(s) (8 x Type-A) Front USB (Total 7 ports) 1 x USB 3.2 Gen 2x2 (supports USB Type-C®) 1 x USB 3.2 Gen 1 header(s) support(s) 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports

MSI PRO B550M-VC WIFINot verified

Sources

ASUS Pro WS W790-ACE

Manufacturer specification

ASUS Pro WS W790-ACE — official UK technical specifications

MSI PRO B550M-VC WIFI

No source recorded for this side.

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

Front USB header capacity

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFI4 USB 2.0; 2 USB 5 Gb/s Type-A; 1 USB 5 Gb/s Type-C

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · Requires case ports and cables; not rear sockets.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

Rear USB ports

ASUS Pro WS W790-ACENot verified

MSI PRO B550M-VC WIFI2 USB 2.0; 2 USB 5 Gb/s Type-A; 2 USB 10 Gb/s Type-A

Sources

ASUS Pro WS W790-ACE

No source recorded for this side.

MSI PRO B550M-VC WIFI

Manufacturer specification · Interface limits, not measured aggregate throughput.

MSI PRO B550M-VC WIFI — manufacturer specifications

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

0 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ASUS Pro WS W790-ACE

What it brings

Published motherboard interfaces and configuration are available from the exact-model ASUS specification source.
Manufacturer source

What to check

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.
Manufacturer source

MSI PRO B550M-VC WIFI

What it brings

Eight SATA ports plus two M.2 slots, with the CPU-connected M2_1 supporting PCIe 4.0 x4.
Manufacturer source
AMD Wi-Fi 6E and Bluetooth 5.2 are built in, and the rear panel has two 10 Gb/s USB Type-A ports and a Flash BIOS button.
Manufacturer source

What to check

Wired networking is only 1 Gb Ethernet, and the three extra long slots all run at PCIe 3.0 x1.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

26 of 26 specifications Sources in each row

Source-backed specifications for ASUS Pro WS W790-ACE and MSI PRO B550M-VC WIFI
Specification	ASUS Pro WS W790-ACE	MSI PRO B550M-VC WIFI

CPU socketDifferent Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket. MSI PRO B550M-VC WIFI — manufacturer specifications	LGA4677	AM4
ChipsetDifferent Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI Manufacturer specification MSI PRO B550M-VC WIFI — manufacturer specifications	Intel® W790 Chipset	AMD B550
Form factor and dimensionsDifferent Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing. MSI PRO B550M-VC WIFI — manufacturer specifications	CEB Form Factor 12 inch x 10.5 inch (30.5 cm x 26.67 cm)	Micro-ATX; 244 × 244 mm
CPU support and BIOS requirementsDifferent Sources ASUS Pro WS W790-ACE Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor. ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI 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 B550M-VC WIFI — manufacturer specifications MSI PRO B550M-VC WIFI — exact model datasheet	Intel® Socket LGA4677 for Xeon® Xeon W-3500/W-3400 and W-2500/W-2400 Series Processors* Supports Intel® Turbo Boost Max Technology 3.0 * Refer to www.asus.com for CPU support list. BIOS: 512 Mb Flash ROM, UEFI AMI BIOS	AMD Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 Series
Listed operating systems Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI No source recorded.	Windows® 11, Windows® 10 64-bit	Not provided
Rear Flash BIOS button Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · Recovery procedure and USB preparation require the manual. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	Yes

Memory type, slots and limitDifferent Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI The overclocked speed is MSI's 1DPC 1R maximum; MSI lists 1DPC 2R up to 3733, 2DPC 1R up to 3866 and 2DPC 2R up to 3466 MHz. JEDEC speeds run up to DDR4-3200. · Manufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable. MSI PRO B550M-VC WIFI — manufacturer specifications	8 x DIMM slots, Max. 2048GB, DDR5 6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200(OC)/5000(OC)/4800 ECC Registered Memory* Quad Channel Memory Architecture Supports Intel® Extreme Memory Profile (XMP) * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support under the Support tab or visit https://www.asus.com/support/	4 DDR4 DIMM slots; dual channel; up to 128 GB; up to DDR4-4400+ (OC); A-XMP; non-ECC unbuffered
Maximum listed memory Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI 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. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	128 GB
DIMM slots Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · Physical DDR4 module positions, not included modules. Consult the board manual for population order and compatible capacities. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	4

Storage interfaces and restrictionsDifferent Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI M2_1 connects to the CPU; M2_2 connects to the B550 chipset. Four SATA ports come from the B550 chipset and four from an ASMedia ASM1064 controller. · Manufacturer specification · M2_1 runs at PCIe 4.0 or 3.0 depending on the installed processor. Both M.2 slots accept 2242/2260/2280 drives. MSI PRO B550M-VC WIFI — manufacturer specifications	Total supports 2 x M.2 slots, 4 x SATA 6Gb/s ports and 3 x SlimSAS ports* Intel® W790 Chipset** M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) SlimSAS_1 slot supports PCIe 3.0 x4 mode NVMe device SlimSAS_2 slot supports PCIe 4.0 x4 mode or up to 4 SATA devices via a transfer cable. The cable is perchased seperately. SlimSAS_3 slot supports PCIe 4.0 x4 mode NVMe device 4 x SATA 6Gb/s ports* * Supports Intel® Virtual RAID on CPU (Intel® VROC) and Intel Volume Management Device (Intel®VMD) ** Intel® VROC Technology supports PCIe RAID 0/1/5/10, SATA RAID 0/1/5/10. VROC HW_Key is purchased separately.	1 × M.2 PCIe 4.0 x4; 1 × M.2 PCIe 3.0 x4; M2_1 also supports SATA; 8 × SATA 6 Gb/s
Onboard M.2 storage slots Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · Onboard M.2 storage positions only. M.2 PCIe generation depends on the installed CPU. Both M.2 slots accept 2242/2260/2280 drives. Four SATA ports come from B550 and four from ASM1064. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	2
SATA storage ports Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M.2 PCIe generation depends on the installed CPU. Both M.2 slots accept 2242/2260/2280 drives. Four SATA ports come from B550 and four from ASM1064. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	8
SATA RAID modes Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · Requires array configuration. No cross-controller array support inferred. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	RAID 0/1/10
NVMe RAID modes Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · Requires compatible drives and array configuration. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	RAID 0/1

Expansion slots and restrictions Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI No source recorded.	Intel® Xeon® W-3500/W-3400 and W-2500/W-2400 Series Processors 5 x PCIe 5.0 x16 slot(s) (supports x16, x16, x16, x0/x8, x16/x8 modes) * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported peripherals.	Not provided
Primary expansion-slot link Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · PCIe 4.0 or 3.0 depending on the installed processor; not a measured graphics performance result. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	PCI_E1: PCIe 4.0 x16
Secondary expansion slots Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · Physical connector length and electrical lane count differ. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	3 long PCIe 3.0 slots wired x1

USB ports and headers Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI No source recorded.	Rear USB (Total 13 ports) 1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C®) 4 x USB 3.2 Gen 2 port(s) (4 x Type-A ) 8 x USB 2.0 port(s) (8 x Type-A) Front USB (Total 7 ports) 1 x USB 3.2 Gen 2x2 (supports USB Type-C®) 1 x USB 3.2 Gen 1 header(s) support(s) 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports	Not provided
Rear-panel ports Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI No source recorded.	1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C®) 4 x USB 3.2 Gen 2 port(s) (4 x Type-A) 8 x USB 2.0 port(s) (8 x Type-A) 1 x Marvell® AQtion 10Gb Ethernet port 1 x Intel® 2.5Gb Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack™ button 1 x Clear CMOS button	Not provided
Audio interfacesDifferent Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI 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 B550M-VC WIFI — manufacturer specifications	Realtek S1220A 7.1 Surround Sound High Definition Audio CODEC* - Impedance sense for front and rear headphone outputs - Internal audio Amplifier to enhance the highest quality sound for headphone and speakers - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in) - Supports up to 32-Bit/192 kHz playback* Audio Features - Power pre-regulator reduces power input noise to ensure consistent performance - Rear optical S/PDIF out port - Premium audio capacitors - Dedicated audio PCB layers - Unique de-pop circuit * Due to limitations in HDA bandwidth, 32-Bit/192 kHz is not supported for 7.1 Surround Sound audio.	Realtek ALC892 or ALC897 codec; 7.1-channel
Processor-dependent display outputs Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · Requires integrated processor graphics; CPU-dependent modes. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	VGA; DisplayPort 4096×2160 at 60 Hz; HDMI 2.1 4096×2160 at 60 Hz
Rear USB ports Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · Interface limits, not measured aggregate throughput. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	2 USB 2.0; 2 USB 5 Gb/s Type-A; 2 USB 10 Gb/s Type-A
Front USB header capacity Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · Requires case ports and cables; not rear sockets. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	4 USB 2.0; 2 USB 5 Gb/s Type-A; 1 USB 5 Gb/s Type-C

Network interfaces and requirementsDifferent Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI Manufacturer specification · 6 GHz availability depends on country rules, operating system and drivers. Link capabilities are not measured throughput. MSI PRO B550M-VC WIFI — manufacturer specifications	1 x Marvell® AQtion 10Gb Ethernet 1 x Intel® 2.5Gb Ethernet ASUS LANGuard	Realtek 8111GN or 8111HN 1 Gb Ethernet; AMD Wi-Fi 6E; Bluetooth 5.2

Cooling headers Sources ASUS Pro WS W790-ACE No source recorded. MSI PRO B550M-VC WIFI Manufacturer specification · No included fans or current limits inferred. MSI PRO B550M-VC WIFI — manufacturer specifications	Not provided	1 CPU; 1 pump; 3 system fan headers

Internal headers and connectors Sources ASUS Pro WS W790-ACE Manufacturer specification ASUS Pro WS W790-ACE — official UK technical specifications MSI PRO B550M-VC WIFI No source recorded.	Fan and Cooling related 1 x 4-pin CPU Fan header(s) 1 x 4-pin CPU OPT Fan header(s) 5 x 4-pin Chassis Fan header(s) 1 x W_PUMP+ header(s) Power related 2 x 24-pin Main Power connector 4 x 8-pin +12V Power connector 1 x 8-pin PCIe Power connector Storage related 2 x M.2 slots (Key M) 3 x SlimSAS slots 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 2x2 connector (support(s) USB Type-C® ) 1 x USB 3.2 Gen 1 header(s) support(s) 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports Miscellaneous 1 x BMC header 1 x COM Port header 1 x FlexKey button 1 x Front Panel Audio header (AAFP) 1 x LN2 Mode jumper 1 x ReTry button 1 x Start button 1 x SPI TPM header (14-1pin) 1 x 20-3 pin System Panel header with Chassis intrude function 1 x Thermal Sensor header 1 x VROC Key header	Not provided

First product manufacturer source Second product manufacturer source

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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.