MSI B840 GAMING PLUS WIFI

The B840 GAMING PLUS WIFI is crafted to offer extensive connectivity, versatile tools, and a premium Wi-Fi solution for gamers seeking a comprehensive experience. Featuring full-speed Wi-Fi 7, 2.5G LAN, PCIe 4.0 solution and exclusive EZ DIY features, it is ready for 24/7 non-stop gaming optimized for AMD Ryzen™ 9000 series processors.

MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.

Chipset

AMD B840

CPU

Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop ProcessorsSocket AM5

Memory

4x DDR5 UDIMM, Maximum Memory Capacity 256GBMemory Support DDR5 8000 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/sRyzen™ 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 4800+ MT/sSupports AMD POR Speed and JEDEC SpeedSupports Memory Overclocking and AMD EXPOTMSupports Dual-Channel modeSupports Non-ECC, Un-buffered memorySupports 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 60HzAvailable only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.

Slot

5x PCI-E x16 slotPCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU)PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)PCI_E3 Gen PCIe 3.0 supports up to x1 (From Chipset)PCI_E4 Gen PCIe 3.0 supports up to x4 (From Chipset)PCI_E5 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 processor)* PCI_E2, PCI_E3 & PCI_E4 share the bandwidth, PCI_E3 slot will run at x2 speed when installing devices in the PCI_E2 or PCI_E4 slot.

Audio

Realtek ALC8977.1-Channel High Definition Audio

Storage

2x M.2M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devicesM.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 22110/2280/2260 devices4x SATA 6GM2_2 slot• Supports up to PCIe 4.0 x4 (For Ryzen™ 9000/ 7000 Series processors)• Supports up to PCIe 3.0 x4 (For Ryzen™ 8700/ 8600/ 8400 Series processors)• Supports up to PCIe 3.0 x2 (For Ryzen™ 8500/ 8300 Series processor)*Please refer to the manual for M.2 SSD heatsink restrictions.

RAID

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 8125BG 2.5G LAN

Internal IO

1x Power Connector(ATX_PWR)1x Power Connector(CPU_PWR)1x CPU Fan1x Combo Fan (Pump_Sys Fan)4x System Fan1x 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)2x Addressable V2 RGB LED connector (JARGB_V2)1x RGB LED connector(JRGB)1x TPM pin header(Support TPM 2.0)4x USB 2.0 ports2x USB 5Gbps Type A ports1x USB 5Gbps Type C ports

WIRELESS LAN & BLUETOOTH

Wi-Fi 7 SolutionThe Wireless module is pre-installed in the M.2 (Key-E) slotSupports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (320MHz) up to 5.8GbpsSupports 802.11 a/ b/ g/ n/ ac/ ax/ beSupports Bluetooth 5.4, MLO, 4KQAM* 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2. The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.

LED FEATURE

4x EZ Debug LED

BACK PANEL PORTS

Clear CMOS ButtonUSB 10Gbps (Type-A)USB 2.02.5G LANWi-Fi / BluetoothAudio connectorsFlash BIOS ButtonHDMI™ 2.1 PortUSB 10Gbps (Type-C)USB 5Gbps (Type-A)

OPERATING SYSTEM

Support for Windows 11 64-bit

FORM Factor

ATX243.84mmx304.8mm