ChipsetAMD B850CPUSupports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5Memory4x DDR5 UDIMM, Maximum Memory Capacity 256GB
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 6400+ MT/s
• 2DPC 1R Max speed up to 6400+ MT/s
• 2DPC 2R Max speed up to 6000+ MT/s

Supports AMD POR Speed and JEDEC Speed
Supports Memory Overclocking and AMD EXPO^TM
Supports Dual-Channel mode
Supports Non-ECC, Un-buffered memory
Supports CUDIMM, Clock Driver bypass mode only*

* CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility.
• The DIMM slots on this motherboard only have single-sided latches.
• Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.Onboard Graphics1x HDMI™
Support HDMI^TM 2.1, maximum resolution of 4K 60Hz*
1x DisplayPort
Support DisplayPort 1.4, maximum resolution of 4K 60Hz*
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.Slot2x PCI-E x16 slot
1x PCI-E x1 slot
PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)

PCI_E1 slot
• Supports PCIe 5.0 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)AudioRealtek^® ALC897
7.1-Channel High Definition AudioStorage2x M.2
M.2_1 Source (From CPU) supports up to PCIe 5.0 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_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)

*Please refer to the manual for M.2 SSD heatsink restrictions.RAIDSupports RAID 0, RAID 1, and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devicesUSB4x USB 2.0 (Front)
3x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
3x USB 10Gbps Type A (Rear)
2x USB 10Gbps Type C (Rear)
1x USB 10Gbps Type C (Front)LANRealtek^® 8126VB 5G LAN