Description
MSI B840M Gaming WiFi6E DDR5 AMD Motherboard
Specification:
Chipset
AMD B840
CPU
Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
Socket: AM5
Memory
- 2x DDR5 UDIMM, Maximum Capacity: 128GB
- DDR5 8000–5600 (OC) MT/s / 5600–4800 (JEDEC) MT/s
- Ryzen™ 9000 Series Max Overclocking Frequency:
• 1DPC 1R: up to 8000+ MT/s
• 1DPC 2R: up to 7200+ MT/s
- Supports AMD POR Speed, JEDEC Speed, Memory Overclocking, and AMD EXPO™
- 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
Onboard Graphics
- 1x HDMI™ 2.1 (max 4K 60Hz)*
- 1x DisplayPort 1.4 (max 4K 60Hz)*
*Available only on processors with integrated graphics
Expansion Slots
- 2x PCI-E x16
• PCI_E1: PCIe 4.0 x16 (Ryzen™ 9000 / 7000)
PCIe 4.0 x8 (Ryzen™ 8700 / 8600 / 8400)
PCIe 4.0 x4 (Ryzen™ 8500 / 8300)
• PCI_E2: PCIe 3.0 x4 (From chipset)
Audio
- Realtek® ALC897 Codec
- 7.1-Channel High Definition Audio
Storage
- 2x M.2 (PCIe 4.0 x4, 2280/2260 devices)
- 4x SATA 6Gb/s
- Supports RAID 0, 1, 10 (SATA only)
USB
- Rear: 2x USB 2.0, 4x USB 5Gbps Type-A
- Front: 4x USB 2.0, 2x USB 5Gbps Type-A, 1x USB 5Gbps Type-C
LAN
- Realtek® 8125D 2.5G LAN
Internal I/O
- 1x ATX_PWR, 1x 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 RGB (JARGB_V2), 1x RGB (JRGB)
- 1x TPM (TPM 2.0)
- 4x USB 2.0 ports, 2x USB 5Gbps Type-A, 1x USB 5Gbps Type-C
Wireless LAN & Bluetooth
- Wi-Fi 6E (MU-MIMO, 2.4GHz / 5GHz / 6GHz, up to 2.4Gbps)
- Bluetooth® 5.3
- Pre-installed in M.2 (Key-E) slot
LED Features
- 4x EZ Debug LED
- 1x EZ Memory Detection LED
Back Panel Ports
- Clear CMOS Button
- USB 5Gbps
- 2.5G LAN
- Wi-Fi / Bluetooth
- Audio connectors
- Flash BIOS Button
- HDMI™, DisplayPort
- USB 2.0
Operating System
- Windows® 11 64-bit
PCB Info
- Form Factor: mATX
- Dimensions: 226 × 243.84 mm
