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MSI B850 MLG Edition 4XDDR5 ATX Motherboard
Read our FAQs before ordering
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*Prices are subject to change without prior notice.
*Product images are for illustration purposes only. Actual product, specifications, features, and packaging may vary and are subject to change without prior notice.

SPECIFICATION
|
Chipset |
AMD B850 |
|
CPU Support |
Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors |
|
Socket |
AM5 |
|
Memory |
4× DDR5 UDIMM slots, Maximum Capacity: 256GB |
|
Memory Support |
DDR5 8400–5600 MT/s (OC), DDR5 5600–4800 MT/s (JEDEC) |
|
Ryzen™ 9000 Max Memory OC |
• 1DPC 1R: Up to 8400+ MT/s |
|
Memory Features |
Supports AMD POR Speed, JEDEC Speed, Memory Overclocking, AMD EXPO™, Dual-Channel, Non-ECC Unbuffered Memory, CUDIMM (Clock Driver Bypass Mode Only) |
|
Memory Notes |
• CUDIMM compatibility depends on CPU series and BIOS version. |
|
Onboard Graphics |
1× HDMI™ 2.1 (FRL), supports up to 8K @ 60Hz (with compatible Ryzen processor featuring integrated graphics) |
|
Expansion Slots |
3× PCIe x16 slots |
|
PCI_E1 |
From CPU: |
|
PCI_E2 |
PCIe 3.0 ×1 (From B850 Chipset) |
|
PCI_E3 |
PCIe 4.0 ×4 (From B850 Chipset); operates at ×2 when M.2_3 is populated |
|
Audio |
Realtek® ALC4080 Codec |
|
Audio Features |
• 7.1-Channel USB High-Performance Audio |
|
Storage |
• 4× M.2 Slots |
|
M.2_1 |
From CPU; PCIe 5.0 ×4 (Ryzen 9000/7000), PCIe 4.0 ×4 (Ryzen 8000); Supports 22110/2280 SSDs |
|
M.2_2 |
From CPU; PCIe 5.0 ×4 (Ryzen 9000/7000), PCIe 4.0 ×4 (Ryzen 8700/8600/8400), PCIe 4.0 ×2 (Ryzen 8500/8300); Supports 2260/2280 SSDs |
|
M.2_3 |
From Chipset; PCIe 4.0 ×2; Supports 2260/2280 SSDs; PCI_E3 runs at ×2 when occupied |
|
M.2_4 |
From Chipset; PCIe 4.0 ×4; Supports 2260/2280 SSDs |
|
RAID |
Supports RAID 0, RAID 1, RAID 10 for M.2 NVMe SSDs (RAID 10 requires Ryzen™ 9000/7000 CPU) |
|
USB Ports |
Rear: |
|
LAN |
Realtek® RTL8126 5G Ethernet |
|
Wireless LAN & Bluetooth |
Wi-Fi 7 (M.2 Key-E Module) |
|
Wireless Notes |
6GHz and Bluetooth 5.4 require Windows 11 version 24H2 and regional support. |
|
Internal I/O |
• 1× 24-pin ATX Power |
|
LED Features |
• 4× EZ Debug LEDs |
|
Back Panel Ports |
• Clear CMOS Button |
|
Operating System Support |
Windows® 11 64-bit |
