MSI PRO B840M-B Micro ATX AM5 Motherboard, AMD B840 Chipset, 2x DDR5 UDIMM Slots, Up to 128GB Max Memory, 1x PCI-E x16 Slot, 2x M.2 Slots
509,00 AED
- Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
- Supports DDR5 Memory, Dual Channel DDR5 8000+ 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
- EZ DIY: EZ M.2 Clip II and EZ PCIe Clip II
- Lightning Fast Game experience: PCIe 4.0 slot and Lightning Gen 4 x4 M.2
- 2.5G LAN: the remarkable solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
- Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
| Chipset | AMD B840 |
| CPU Support | Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors |
| CPU Socket | AM5 |
| Memory Slots | 2 × DDR5 UDIMM |
| Maximum Memory | 128 GB |
| Memory Speed | DDR5 8000–5600 (OC), 5600–4800 (JEDEC) MT/s |
| Memory Overclock (Ryzen 9000) | 1DPC 1R up to 8000+ MT/s, 1DPC 2R up to 7200+ MT/s |
| Memory Features | AMD POR Speed, JEDEC Speed, AMD EXPO™, Dual Channel |
| Memory Type Support | Non-ECC, Unbuffered, CUDIMM (Clock Driver bypass mode) |
| Graphics Output | 1 × HDMI™, 1 × VGA |
| HDMI Support | HDMI 2.1, up to 4K @ 60Hz |
| VGA Support | Up to 2048×1536 @ 50Hz / 2048×1280 @ 60Hz / 1920×1200 @ 60Hz |
| Expansion Slots | 1 × PCIe x16, 1 × PCIe x1 |
| PCIe Slot Details | PCI_E1 PCIe 4.0 x16 (CPU), PCI_E2 PCIe 3.0 x1 (Chipset) |
| PCIe x16 Mode by CPU | x16 (Ryzen 9000/7000), x8 (Ryzen 8700/8600/8400), x4 (Ryzen 8500/8300) |
| Audio | Realtek® ALC897 |
| Audio Channels | 7.1-Channel High Definition Audio |
| M.2 Slots | 2 × M.2 PCIe 4.0 x4 (2280/2260) |
| SATA Ports | 4 × SATA 6Gb/s |
| RAID Support | RAID 0, 1, 10 (SATA) / RAID 0, 1 (M.2 NVMe) |
| USB (Rear) | 2 × USB 2.0, 4 × USB 5Gbps Type-A |
| USB (Front) | 4 × USB 2.0, 2 × USB 5Gbps Type-A, 1 × USB 5Gbps Type-C |
| LAN | Realtek® 8125D 2.5G LAN |
| Internal Power Connectors | 1 × ATX_PWR, 1 × CPU_PWR |
| Fan Headers | 1 × CPU Fan, 2 × System Fan |
| Front Panel Headers | 2 × JFP |
| Other Internal Headers | Chassis Intrusion, Front Audio, COM Port |
| RGB Headers | 3 × Addressable V2 RGB (JARGB_V2), 1 × RGB (JRGB) |
| TPM Header | 1 × TPM (TPM 2.0 Support) |
| Internal USB Headers | 4 × USB 2.0, 2 × USB 5Gbps Type-A, 1 × USB 5Gbps Type-C |
| LED Features | 4 × EZ Debug LED, 1 × EZ Memory Detection LED |
| Rear Ports | Clear CMOS Button, HDMI™, VGA, USB 5Gbps Type-A, USB 2.0, 2.5G LAN, Audio connectors, Flash BIOS Button |
| Operating System | Windows® 11 64-bit |
| Form Factor | mATX |
| PCB Dimensions | 226 × 243.84 mm |















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