
MSI PRO B850M-P mATX AM5 Motherboard, AMD B850 Chipset, 4x DDR5 UDIMM Slots, 256GB Max Memory, 4x PCI-E x16 Slot, 3x M.2 Slots | 911-7E71-005
Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)
Ultra Performance: Direct 7+2+1 Power System with P-PAK, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper and server-grade level material
Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
Included warranty
1 Year
Secure payment
Your payment is encrypted and processed securely at checkout.
Additional Warranty
Product Description

Chipset | AMD B850 |
CPU | Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors |
Socket | AM5 |
Memory | 4x DDR5 UDIMM, Max 256GB |
Memory Support | DDR5 8200–5600 (OC) MT/s / 5600–4800 (JEDEC) MT/s |
Ryzen™ 9000 Series OC Speeds | 1DPC 1R: 8200+ MT/s; 1DPC 2R: 6400+ MT/s; 2DPC 1R: 6400+ MT/s; 2DPC 2R: 6000+ MT/s |
Memory Features | Supports AMD POR, JEDEC, Overclocking, AMD EXPO™, Dual Channel, Non-ECC Unbuffered, CUDIMM (Clock Driver bypass only)* |
Notes | CUDIMM and POR boot frequency may vary by CPU; single-sided latch DIMM slots; check MSI Support for compatibility. |
Onboard Graphics | 1x HDMI™ 2.1 (4K@60Hz), 1x DisplayPort 1.4 (4K@60Hz); available only on CPUs with iGPU |
Slots | 4x PCI-E x16 |
PCI_E1 | PCIe 5.0 x16 (Ryzen™ 9000/7000), PCIe 4.0 x8 (Ryzen™ 8700/8600/8400), PCIe 4.0 x4 (Ryzen™ 8500/8300) |
PCI_E2/E3/E4 | PCIe 3.0 x1 (from chipset) |
Audio | Realtek® ALC897, 7.1-Channel HD Audio |
Storage | 3x M.2, 4x SATA 6G |
M.2_1 (CPU) | PCIe 5.0 x4 (Ryzen™ 9000/7000), PCIe 4.0 x4 (Ryzen™ 8000), 2280/2260 |
M.2_2 (CPU) | PCIe 4.0 x4 / x2 (Ryzen™ 8500/8300), 2280/2260 |
M.2_3 (Chipset) | PCIe 4.0 x2, 2280 |
RAID | SATA: RAID 0/1/10; M.2 NVMe: RAID 0/1/5 (RAID 5 only for Ryzen™ 9000) |
USB | Rear: 4x USB 2.0, 2x USB 5Gbps Type-A, 1x USB 10Gbps Type-A, 1x USB 10Gbps Type-C; Front: 4x USB 2.0, 4x USB 5Gbps Type-A, 1x USB 10Gbps Type-C |
LAN | Realtek® 8126VB 5G LAN |
Internal I/O | ATX_PWR, CPU_PWR, PCIE_PWR (8-pin), CPU Fan, Pump/Sys Fan, 3x Sys Fan, 2x Front Panel, JCI, JAUD, JCOM, JDASH, 3x JARGB_V2, 1x JRGB, TPM 2.0 header, 4x USB 2.0, 4x USB 5Gbps, 1x USB 10Gbps Type-C |
LED Features | 4x EZ Debug LED, 1x EZ Memory Detection LED |
Back Panel Ports | Clear CMOS Button, DisplayPort, USB 10Gbps Type-A, USB 2.0, 5G LAN, Audio Connectors, Flash BIOS Button, HDMI™, USB 10Gbps Type-C, USB 5Gbps Type-A |
Operating System | Windows® 11 64-bit |
Form Factor (PCB Info) | mATX, 243.84mm × 243.84mm |
Box Contents | Motherboard, SATA cables, M.2 screws, Quick Installation Guide, I/O shield (depends on model) |
Contact us
Visit the store, call, or email. we will get back to you as soon as we can.
- Address
- Mity Shop – Electronics & Accessories Store Al Nasr Building 2 - near Oud Metha metro stationOud Metha - DubaiUnited Arab EmiratesOpen in Google Maps
- Phone
- +971 58 585 0680
- support@mityshop.com