MSI PRO B840M-B AMD AM5 mATX Motherboard
Key Features
- Supported CPU: Ryzen 9000/ 8000/ 7000 Series Processors for Socket AM5
- Supported RAM: 2x DDR5, up to 8000 MT/s
- Graphics Output: 1x HDMI, 1x VGA
- Features: Realtek 8125D 2.5G LAN
15,700 ৳
Description
MSI PRO B840M-B AMD AM5 mATX Motherboard
The MSI PRO B840M-B AMD AM5 mATX Motherboard is a high-performance and feature-rich motherboard designed for the latest AMD Ryzen 9000, 8000, and 7000 Series desktop processors with Socket AM5 compatibility. Built on the AMD B840 chipset, this board delivers exceptional stability and speed for modern computing needs. It supports up to 128GB of DDR5 UDIMM memory across two slots, offering blazing speeds up to 8000+ MT/s (OC) for Ryzen 9000 processors and full support for AMD EXPO™, dual-channel, and memory overclocking. The motherboard includes 2x M.2 PCIe 4.0 x4 slots and 4x SATA 6Gb/s ports, providing fast and flexible storage options with RAID 0, 1, and 10 support for SATA and RAID 0, 1 for NVMe drives. For expansion, it features 1x PCIe 4.0 x16 and 1x PCIe 3.0 x1 slot, ensuring compatibility with modern GPUs and add-on cards. The graphics output includes HDMI 2.1 (supporting 4K at 60Hz) and VGA, offering versatility for different display setups. On the connectivity front, it’s equipped with a Realtek 8125D 2.5G LAN for ultra-fast and reliable networking. Audio is powered by Realtek ALC897, delivering 7.1-channel high-definition sound for an immersive experience. The PRO B840M-B also includes a rich selection of USB ports—from USB 5Gbps Type-A and Type-C to multiple USB 2.0 ports for both front and rear access. Internally, it offers connectors for fans, RGB lighting (3x Addressable V2 and 1x RGB LED), TPM 2.0, and EZ Debug LEDs for easy troubleshooting, including a dedicated EZ Memory Detection LED. Designed in a compact micro-ATX (226mm x 243.84mm) form factor, the MSI PRO B840M-B combines robust performance, modern connectivity, and intelligent design, making it a perfect choice for users building a powerful, efficient, and future-ready desktop PC.
Specification
| Brand & Model | ||
| Brand | MSI | |
| Model | PRO B840M-B | |
| Supported CPU | ||
| CPU Type | Supports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processors Socket AM5 |
|
| Chipsets | ||
| Chipset | AMD B840 | |
| Memory | ||
| Memory Type | DDR5 UDIMM | |
| Number of Memory Slots | 2 | |
| Supported Memory | Memory Support DDR5 8000 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s Ryzen 9000 Series Processors max. overclocking frequency: 1DPC 1R Max speed up to 8000+ MT/s 1DPC 2R Max speed up to 7200+ 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 |
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| Maximum Memory | 128GB | |
| Graphics | ||
| Graphics | 1x HDMI Support HDMITM 2.1, maximum resolution of 4K 60Hz 1x VGA Support VGA, maximum resolution of 2048x1536 50Hz, 2048x1280 60Hz, 1920x1200 60Hz |
|
| Audio | ||
| Audio | Realtek ALC897 7.1-Channel High Definition Audio |
|
| Expansion Slots | ||
| Expansion Slots | 1x PCI-E x16 slot 1x PCI-E x1 slot PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset) PCI_E1 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 processors) |
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| Storage | ||
| Storage | 2x M.2 M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices 4x SATA 6G M2_2 slot Supports up to PCIe 4.0 x4 Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors) |
|
| RAID | Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices |
|
| Network | ||
| LAN | Realtek 8125D 2.5G LAN | |
| Ports & Connectors | ||
| USB Ports | 2x USB 2.0 (Rear) 4x USB 2.0 (Front) 4x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 1x USB 5Gbps Type C (Front) |
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| Internal I/O Ports | 1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x CPU Fan 2x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 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 5Gbps Type C ports |
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| Form Factor | ||
| Form Factor | mATX 226mmx243.84mm |
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| Others | ||
| Unique Feature | 4x EZ Debug LED 1x EZ Memory Detection LED |
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| Warranty | ||
| Warranty | 3 years | |
