MSI PRO B840M-B

1x PCI-E x16 slot; 1x PCI-E x1 slot PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU); PCI_E2 Gen PCIe 3.0 supports up to x1 (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)

Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices; Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

1x Power Connector(ATX_PWR); 1x Power Connector(CPU_PWR); 1x CPU Fan; 2x System Fan; 2x Front Panel (JFP); 1x Chassis Intrusion (JCI); 1x Front Audio (JAUD); 1x Com Port (JCOM); 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

Socket AM5

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; M2_2 slot; • Supports up to PCIe 4.0 x4; • Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors)

https://www.msi.com/Motherboard/PRO-B840M-B

mATX 226mmx243.84mm

2x DDR5 UDIMM, Maximum Memory Capacity 128GB; 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 7200+ 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

AMD B840

1x HDMI™; Support HDMITM 2.1, maximum resolution of 4K 60Hz; 1x VGA; Support VGA, maximum resolution of 2048x1536 50Hz, 2048x1280 60Hz, 1920x1200 60Hz