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 EXPOTM
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.
¢ 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 ¢ 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 processor) |
Audio | Realtek ® ALC897 Codec
7.1-Channel High Definition Audio |
Storage | 2x 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 2280/2260 devices
4x SATA 6G
*Please refer to the manual for M.2 SSD heatsink restrictions. |
RAID | Supports RAID 0, RAID 1 and RAID 10 for SATA 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)
3x System Fan
1x EZ Conn-header (JAF_1)
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 Solution
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 11.
** Bluetooth 5.3 will be ready in Windows 10 build 21H1 and Windows 11. |
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 5G |
Operating System | Support for Windows ® 11 64-bit |
Box Content | B840M GAMING PLUS WIFI6E Motherboard Quick Installation Guide European Union Regulatory Notice EZ Wi-Fi Antenna SATA Cable EZ M.2 Clip II EZ M.2 Clip II Remover 1 to 2 EZ Conn-Cable (V1) |
PCB Info | mATX
243.84mmx243.84mm |
