# MSI PRO B840M-B

AMD B840 · AM5 · DDR5 128GB · 2× M.2 PCIe 4.0 · PCIe 4.0 x16 · 2.5G LAN · HDMI + VGA · Micro-ATX

- Price: NPR 20,500
- Availability: In stock, only 5 left
- Brand: [MSI](https://proudnepal.com.np/brands/msi)
- Category: Motherboard
- Last updated 28 Sep 2026

## Key specifications

- Memory (RAM): DDR5 128GB
- Connectivity: 2.5G LAN · HDMI + VGA
- Expansion: 2× M.2 PCIe 4.0 · PCIe 4.0 x16
- Socket: AM5
- Chipset: B840M
- Supported CPU families: AMD Ryzen 9000, AMD Ryzen 8000G, AMD Ryzen 7000

## Description

- Brand: MSI
- Model: PRO B840M-B
- Chipset: AMD B840
- Socket: AM5
- Supported CPU Families: AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
- Memory Type: DDR5 UDIMM
- Memory Slots: 2 × DIMM
- Maximum Memory: 128GB
- Memory Speed: DDR5 4800–5600 MT/s (JEDEC), up to 8000+ MT/s (OC)
- Memory Features: AMD EXPO™, Dual-Channel, Non-ECC Unbuffered, CUDIMM Clock Driver Bypass Mode
- M.2 Slots: 2 × M.2
- M.2 Interface: PCIe 4.0 x4
- M.2 Form Factor: 2280 / 2260
- SATA: 4 × SATA 6Gb/s
- Storage RAID: SATA RAID 0/1/10; M.2 NVMe RAID 0/1
- PCIe Slots: 1 × PCIe 4.0 x16 + 1 × PCIe 3.0 x1
- Primary PCIe Slot: PCIe 4.0 x16 from CPU
- PCIe Configuration: Ryzen 9000/7000: x16; Ryzen 8700/8600/8400: x8; Ryzen 8500/8300: x4
- LAN: Realtek RTL8125D 2.5Gbps
- Audio: Realtek ALC897, 7.1-Channel HD Audio
- Display: HDMI 2.1 + VGA
- HDMI Resolution: Up to 4K 60Hz
- VGA Resolution: Up to 2048×1536 @ 50Hz / 2048×1280 @ 60Hz / 1920×1200 @ 60Hz
- Rear USB: 2 × USB 2.0 + 4 × USB 5Gbps Type-A
- Front USB: 4 × USB 2.0 + 2 × USB 5Gbps Type-A + 1 × USB 5Gbps Type-C
- Fan Headers: 1 × CPU Fan + 2 × System Fan
- RGB Headers: 3 × Addressable V2 RGB + 1 × RGB
- Internal Headers: ATX_PWR, CPU_PWR, Front Panel, Chassis Intrusion, Front Audio, COM, TPM 2.0
- Debug Features: 4 × EZ Debug LED + EZ Memory Detection LED
- BIOS Features: Flash BIOS Button + Clear CMOS Button
- Operating System: Windows 11 64-bit
- Form Factor: Micro-ATX
- Dimensions: 226 × 243.84 mm
- Warranty: 1 Year Warranty

## Delivery, warranty and returns

- Delivery: free all over Nepal, usually the same day inside Kathmandu Valley, 2 to 3 days elsewhere in Nepal, sent with Nepal Can Move.
- Refunds: We don't offer refunds. Faulty products are repaired or replaced under warranty. https://proudnepal.com.np/policies/returns
- Warranty policy: https://proudnepal.com.np/policies/warranty
- Prices are in Nepali rupees (NPR).

## Contact

- Proud Nepal IT Suppliers Pvt. Ltd., Putalisadak, Kathmandu, Nepal
- Phone and WhatsApp: +977 9867174242
- Email: proudnepalits@gmail.com

Product page: https://proudnepal.com.np/products/msi-pro-b840m-b