SPECIFICATIONS:

Chipset	AMD B840
CPU	Supports AMD Ryzen ¢ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5
Memory	4x DDR5 UDIMM, Maximum Memory Capacity 256GB 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 6400+ MT/s ¢ 2DPC 1R Max speed up to 6400+ MT/s ¢ 2DPC 2R Max speed up to 5600+ 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 Graphics	1x HDMI ¢ Support HDMI^TM 2.1, maximum resolution of 4K 60Hz* *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Slot	2x PCI-E x16 slot PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 3.0 supports up to x4 (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)
Audio	Realtek^® ALC897 7.1-Channel High Definition Audio
Storage	3x 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 22110/2280/2260 devices M.2_3 Source (From Chipset) supports up to PCIe 3.0 x4 , supports 2280/2260 devices 4x SATA 6G M2_2 slot ¢ Supports up to PCIe 4.0 x4 (For Ryzen ¢ 9000/ 7000 Series processors) ¢ Supports up to PCIe 3.0 x4 (For Ryzen ¢ 8000 Series processors) ¢ Supports up to PCIe 3.0 x2 (For Ryzen ¢ 8500/ 8300 Series processors) *Please refer to the manual for M.2 SSD heatsink restrictions.
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
USB	4x USB 2.0 (Rear) 4x USB 2.0 (Front) 2x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 1x USB 5Gbps Type C (Front) 1x USB 10Gbps Type A (Rear) 1x USB 10Gbps Type C (Rear)
LAN	Realtek^® 8125D 2.5G LAN
Internal IO	1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x CPU Fan 1x Combo Fan (Pump_Sys Fan) 4x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 1x Tuning Controller connector(JDASH) 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
Wireless LAN & Bluetooth	Wi-Fi 6E The Wireless module is pre-installed in the M.2 (Key-E) slot Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (160MHz) up to 2.4Gbps Supports 802.11 a/ b/ g/ n/ ac/ ax Supports Bluetooth^® 5.3*, FIPS, FISMA Wi-Fi 6E 6GHz may depend on every country s regulations and will be ready in Windows 10 build 21H1 and Windows 11. ** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor s website for details.
LED Feature	4x EZ Debug LED 1x EZ Memory Detection LED
Back Panel Ports	Clear CMOS Button USB 10Gbps Type-A USB 2.0 2.5G LAN Wi-Fi / Bluetooth Audio connectors Flash BIOS Button HDMI ¢ USB 10Gbps Type-C USB 5Gbps Type-A
Operating System	Support for Windows^® 11 64-bit
Box Content	PRO B840-S EVO WIFI6E Motherboard European Union Regulatory Notice EZ M.2 Clip II Remover 2 x EZ M.2 Clip II EZ Wi-Fi Antenna SATA Cable
PCB Info	ATX 243.84mmx304.8mm