UK manufacturer specification · PRIME B550M-K ARGB
PRIME B550M-K ARGB motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.
Specifications checked 17 Oct 2026.
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Manufacturer specificationsAM4 · Micro-ATX · DDR4 · board-only configuration · MSI global specification
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.
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Differences first. Select a topic for its graphic, sources and conditions.
Different hardware. A chip name or generation does not quantify real-world performance.
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.
5 verified differences, most decision-relevant first. All are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsDifferent hardware. A chip name or generation does not quantify real-world performance.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsThe 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 specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsM2_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 specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsManufacturer specification · 6 GHz availability depends on country rules, operating system and drivers. Link capabilities are not measured throughput.
MSI PRO B550M-VC WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsManufacturer 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 specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsManufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing.
MSI PRO B550M-VC WIFI — manufacturer specificationsThese descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.
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 PRIME B550M-K ARGB — official UK technical specificationsManufacturer 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 specificationsMSI PRO B550M-VC WIFI — exact model datasheetThese descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.
No source recorded for this side.
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 specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
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 specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
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 specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Physical connector length and electrical lane count differ.
MSI PRO B550M-VC WIFI — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Recovery procedure and USB preparation require the manual.
MSI PRO B550M-VC WIFI — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · No included fans or current limits inferred.
MSI PRO B550M-VC WIFI — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires integrated processor graphics; CPU-dependent modes.
MSI PRO B550M-VC WIFI — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires compatible drives and array configuration.
MSI PRO B550M-VC WIFI — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
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 specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
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 specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires array configuration. No cross-controller array support inferred.
MSI PRO B550M-VC WIFI — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
ASUS PRIME B550M-K ARGB — official UK technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires case ports and cables; not rear sockets.
MSI PRO B550M-VC WIFI — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Interface limits, not measured aggregate throughput.
MSI PRO B550M-VC WIFI — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
1 shared field has the same recorded value.
| Specification | ASUS PRIME B550M-K ARGB | MSI PRO B550M-VC WIFI |
|---|---|---|
CPU socket SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI 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 | AM4 | AM4 |
ChipsetDifferent SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specifications | AMD B550 Chipset | AMD B550 |
Form factor and dimensionsDifferent SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI 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 | micro-ATX Form Factor 9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm ) | Micro-ATX; 244 × 244 mm |
CPU support and BIOS requirementsDifferent SourcesASUS PRIME B550M-K ARGB 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 PRIME B550M-K ARGB — official UK technical specificationsMSI 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 specificationsMSI PRO B550M-VC WIFI — exact model datasheet | AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors* * Refer to www.asus.com for CPU support list. BIOS: 128 Mb Flash ROM, UEFI AMI BIOS | AMD Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 Series |
Listed operating systems SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI PRO B550M-VC WIFI No source recorded. | Windows® 11, Windows® 10 64-bit | Not provided |
Rear Flash BIOS button SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI 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 | 2 x DIMM slots, Max. 64GB, DDR4 5100(OC)/4866(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133, Un-buffered Memory* Dual Channel Memory Architecture * ECC memory (ECC mode) support varies by CPU. * 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 list under the Support tab of product information site 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI 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 and 4 x SATA 6Gb/s ports* AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) AMD B550 Chipset M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) 4 x SATA 6Gb/s ports * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. | 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI PRO B550M-VC WIFI No source recorded. | AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors 1 x PCIe 3.0 x16 slot (supports x16 mode) AMD B550 Chipset 1 x PCIe 3.0 x1 slot * 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI PRO B550M-VC WIFI No source recorded. | Rear USB (Total 6 ports) 4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports | Not provided |
Rear-panel ports SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI PRO B550M-VC WIFI No source recorded. | 4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI™ port 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port | Not provided |
Audio interfacesDifferent SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI 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 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. | Realtek ALC892 or ALC897 codec; 7.1-channel |
Processor-dependent display outputs SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI 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 Realtek 1Gb Ethernet | Realtek 8111GN or 8111HN 1 Gb Ethernet; AMD Wi-Fi 6E; Bluetooth 5.2 |
Cooling headers SourcesASUS PRIME B550M-K ARGB 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 SourcesASUS PRIME B550M-K ARGB Manufacturer specification ASUS PRIME B550M-K ARGB — official UK technical specificationsMSI PRO B550M-VC WIFI No source recorded. | Fan and Cooling related 1 x 4-pin CPU Fan header 2 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C® ) 1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin System Panel header | Not provided |
Closest motherboards to this pair by shared key specifications. Not a popularity ranking.
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.
