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MSI PRO B850M-B GEN4 AM5 mATX Motherboard

Name: MSI PRO B850M-B GEN4 AM5 mATX Motherboard
Brand: MSI
Price: 18500 BDT
Availability: InStock

Model: PRO B850M-B GEN4Item #: msi-pro-b850m-b-gen4-motherboard

৳18,500~~৳20,070~~Save 8%

In stockverified 22 Sept 2026

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We're finishing our supply arrangements. Prices and stock here are live — ordering reopens shortly.

Delivery

Inside Dhaka: ৳60 · 1–2 days
Outside Dhaka: ৳120 · 2–4 days

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Key highlights

AMD B850 Chipset
2 M.2 slots
Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s; Ryzen 9000 Series Processors max. overclocking frequency:; • 1DPC 1R Max speed up to 8200+ MT/s; • 1DPC 2R Max speed up to 8000+ MT/s; Supports AMD POR Speed and JEDEC Speed; Supports Memory Overclocking and AMD EXPOTM; Supports Dual-Channel mode; Supports Non-ECC, Un-buffered memory; Supports CUDIMM, Clock Driver bypass mode only RAM type
mATX; 226mmx243.84mm Form factor

Overview

The MSI PRO B850M-B GEN4 AM5 mATX Motherboard comes with advanced AMD B850 chipset. This Motherboard supports AMD Ryzen 9000, 8000, and 7000 Series desktop processors through the latest AM5 socket platform architecture. This MSI PRO B850M-B GEN4 mATX Motherboard supports dual-channel DDR5 memory with two UDIMM slots and maximum memory capacity support up to 128GB.

MSI DDR5 Motherboard technology supports memory speeds from DDR5 8200 MT/s to 5600 MT/s overclocked and 5600 MT/s to 4800 MT/s JEDEC speeds. MSI PRO B850M-B GEN4 Motherboard supports AMD EXPO memory overclocking, AMD POR speed, non-ECC unbuffered memory, dual-channel mode, and CUDIMM compatibility. Ryzen 9000 Series processors support maximum memory overclocking frequencies up to 8200+ MT/s for 1DPC 1R and 8000+ MT/s for 1DPC 2R. MSI AM5 Motherboard graphics connectivity includes HDMI 2.1 and DisplayPort 1.4 outputs supporting smooth 4K 60Hz display performance for entertainment and professional workloads.

The motherboard provides one PCIe 4.0 x16 slot from the CPU and one PCIe 3.0 x1 slot from the chipset for expansion flexibility. MSI PRO B850M-B GEN4 AM5 Micro ATX Motherboard includes two M.2 slots supporting PCIe 5.0 x4 and PCIe 4.0 x4 SSD storage performance. The motherboard also offers four SATA 6G ports with RAID 0, RAID 1, and RAID 10 support for flexible storage management. MSI Motherboard connectivity includes Realtek 8125 2.5G LAN, USB 10Gbps Type-C, USB 5Gbps Type-A ports, and multiple front USB connections.

Realtek ALC897 7.1-channel high-definition audio delivers clear and immersive sound quality for gaming, entertainment, streaming, and professional productivity tasks. MSI PRO B850M-B GEN4 Motherboard also features RGB connectors, TPM 2.0 support, EZ Debug LEDs, efficient cooling headers, and Windows 11 compatibility within a durable 226mm x 243.84mm mATX design.

Specifications

Chipset: AMD B850
M.2 slots: 2
RAM type: Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s; Ryzen 9000 Series Processors max. overclocking frequency:; • 1DPC 1R Max speed up to 8200+ MT/s; • 1DPC 2R Max speed up to 8000+ MT/s; Supports AMD POR Speed and JEDEC Speed; Supports Memory Overclocking and AMD EXPOTM; Supports Dual-Channel mode; Supports Non-ECC, Un-buffered memory; Supports CUDIMM, Clock Driver bypass mode only
Form factor: mATX; 226mmx243.84mm
Memory — Type: DDR5
Memory — Slots: 2x UDIMM
Highlights — Model: PRO B850M-B GEN4
Graphics — Graphics: 1x HDMI; Support HDMITM 2.1, maximum resolution of 4K 60Hz; 1x DisplayPort; Support DisplayPort 1.4, maximum resolution of 4K 60Hz

Show all 27 specifications

Expansion Slots — PCI: 1x PCI-E x16 slot; 1x PCI-E x1 slot; PCI_E1 Gen PCIe 3.0 supports up to x1 (From Chipset); PCI_E2 Gen PCIe 4.0 supports up to x16 (From CPU); PCI_E2 slot; • Supports PCIe 4.0 x16 (For Ryzen™ 9000/ 7000 Series processors); • Supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors); • Supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processor)
Highlights — Features: 2x M.2, Realtek 8125 2.5G LAN, 7.1-Channel Audio
Memory — Maximum Memory: 128GB
Basic Information — BIOS: Flash BIOS Button
Connector & Ports — HDMI: 1x HDMI 2.1
Connector & Ports — RAID: Supports RAID 0 and RAID 1 for M.2 NVMe storage devices; Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices
Basic Information — Audio: Realtek ALC897; 7.1-Channel High Definition Audio
Connector & Ports — Audio: 1x Front Audio (JAUD)
Others — Special Features: LED FEATURE: 4x EZ Debug LED, 1x EZ Memory Detection LED
Highlights — Supported RAM: 2x DDR5 UDIMM, Up to 8200 (OC) MT/s, Max 128GB
Connector & Ports — USB (s): 2x USB 2.0 (Rear); 4x USB 2.0 (Front); 3x USB 5Gbps Type A (Rear); 1x USB 5Gbps Type C (Rear); 2x USB 5Gbps Type A (Front); 1x USB 10Gbps Type C (Front)
Highlights — Graphics Output: 1x HDMI 2.1, 1x DisplayPort 1.4
Connector & Ports — LAN Port (s): Realtek 8125 2.5G LAN
Basic Information — Supported CPU: Supports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processors; Socket AM5
Connector & Ports — Display Port (s): 1x DisplayPort 1.4
Connector & Ports — Supported Storage: 2x M.2; M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280 devices; M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280 devices; 4x SATA 6G; M2_1 slot; • Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors); • Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors); M2_2 slot; • Supports up to PCIe 4.0 x4; • Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors)
Connector & Ports — Internal I/O Ports: 1x Power Connector(ATX_PWR); 1x Power Connector(CPU_PWR); 1x CPU Fan; 1x Combo Fan (Pump_Sys Fan); 3x System Fan; 2x Front Panel (JFP); 1x Chassis Intrusion (JCI); 1x Front Audio (JAUD); 1x Tuning Controller connector(JDASH); 3x Addressable V2 RGB LED connector (JARGB_V2); 1x RGB LED connector(JRGB); 1x TPM pin header(Support TPM 2.0); 4x USB 2.0 ports; 2x USB 5Gbps Type A ports; 1x USB 10Gbps Type C ports
Warranty Information — Manufacturing Warranty: 3 Years Warranty
Connector & Ports — TPM (Trusted Platform Module ): 1x TPM pin header(Support TPM 2.0)

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Price	৳18,500	৳18,500	৳18,500	৳18,500
Availability	In stock	Out of stock	Out of stock	Out of stock
Brand	MSI	ASRock	Asus	MSI
M.2 slots	2	—	2	—
RAM type	Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s; Ryzen 9000 Series Processors max. overclocking frequency:; • 1DPC 1R Max speed up to 8200+ MT/s; • 1DPC 2R Max speed up to 8000+ MT/s; Supports AMD POR Speed and JEDEC Speed; Supports Memory Overclocking and AMD EXPOTM; Supports Dual-Channel mode; Supports Non-ECC, Un-buffered memory; Supports CUDIMM, Clock Driver bypass mode only	Dual Channel DDR4 Memory Technology; 4 x DDR4 DIMM Slots; Supports DDR4 non-ECC, un-buffered memory up to 5333+(OC); Supports ECC UDIMM memory modules (operate in non-ECC mode); Supports Intel Extreme Memory Profile (XMP) 2.0; ; 1DPC 1R Up to 5333+ MHz (OC), 3200 MHz Natively.; 1DPC 2R Up to 4400+ MHz (OC), 3200 MHz Natively.; 2DPC 1R Up to 4266+ MHz (OC), 3200 MHz Natively.; 2DPC 2R Up to 4000+ MHz (OC), 3200 MHz Natively.	4866(OC)/4800(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	Memory Support DDR5 6400+(OC)/ 6200(OC)/ 6000(OC)/ 5800(OC)/ 5600(JEDEC)/ 5400(JEDEC)/ 5200(JEDEC)/ 5000(JEDEC)/ 4800(JEDEC); Max. overclocking frequency:; • 1DPC 1R Max speed up to 6400+ MHz; • 1DPC 2R Max speed up to 5600+ MHz; ; Supports Intel® XMP 3.0 OC; Supports Dual-Controller Dual-Channel mode; Supports non-ECC, un-buffered memory
Form factor	mATX; 226mmx243.84mm	ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm;	microATX; 24.4cm x 24.4cm	mATX; 220mmx243.84mm
Chipset	AMD B850	Intel B760	B550	INTEL B760