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.
DIRECT 7+2+1 POWER DESIGN
Unleash and sustain excellent performance with an enhanced VRM design built with digital CPU power system, 8-pin power connector and exclusive Core Boost technology, the B840 GAMING PLUS WIFI is ready to sustain heavy gaming loadings.
Extended Heatsink
Extended Heatsink enlarges the surface of heat dissipation and maintain the performance at heavy loads.
M.2 Shield Frozr
Strengthened M.2 thermal solution helps keep M.2 SSD safe and ensures incredible performance.
7W/mK Thermal Pad & Additional Choke Pad
High-quality 7W/mK MOSFET thermal pads and additional choke thermal pads ensure stable performance when all cores are running at high speed.
Enlarged Chipset Heatsink
The enlarged heatsink is designed to reduce dust and noise and capable of maintaining high efficiency of heat dissipation.
HIGH-BANDWIDTH AND LOW-LATENCY NETWORK
MSI's premium network solution provides incredible data transfer speed for demanding users.
- Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
- Supports DDR5 Memory, Dual Channel DDR5 8000+ MT/s (OC)
- Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
- High-speed Connectivity: Full-speed Wi-Fi 7 with 2.5G LAN - The latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
- Ultra Performance: 7+2+1 Phase Direct CPU Power, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB with 2oz thickened copper
- Lightning Fast Game experience: PCIe 4.0 slot, Lightning Gen 4 x4 M.2, Front USB Type-C
- EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Clip II and EZ Antenna
- Audio Boost: Reward your ears with studio-grade sound quality for the most immersive gaming experience
General
| Unit Calculated Weight | 1.74 kg |
| Unit Calculated Volume | 0.008299 cubm |
| Units per Shipping Box | 10 |
| Summary | MSI B840 GAMING PLUS WIFI. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 256 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, Micro SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10. Ethernet interface type: 2.5 Gigabit Ethernet, Top Wi-Fi standard: Wi-Fi 7 (802.11be), Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E.... Component for: PC, Motherboard form factor: ATX, Motherboard chipset family: AMD |
| Unit Box Height | 0.07 |
| Unit Box Length | 0.345 |
| Unit Box Width | 0.275 |
| Model | B840 GAMING PLUS WIFI |
Features
| Audio chip | Realtek ALC897 |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Motherboard chipset | AMD B840 |
| Motherboard chipset family | AMD |
| Motherboard form factor | ATX |
| PC health monitoring | CPU/Fan/Temperature/Voltage |
| Product colour | Black |
| Windows operating systems supported | Windows 11 x64 |
Processor
| Compatible processor series | AMD Ryzen 7000 Series/AMD Ryzen 8000 Series/AMD Ryzen 9000 Series |
| Maximum internal memory supported by processor | 256 GB |
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |
| Supported processor sockets | Socket AM5 |
Memory
| ECC сompatibility | Non-ECC |
| Maximum internal memory | 256 GB |
| Memory channels | Dual-channel |
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory clock speed (max) | 8000 MHz |
| Supported memory clock speeds | 4800/5600/8000 MHz |
| Supported memory types | DDR5-SDRAM |
Storage controllers
| Number of HDDs supported | 4 |
| Number of storage drives supported | 6 |
| RAID levels | 0/1/10 |
| RAID support | Yes |
| Supported storage drive interfaces | M.2,Micro SATA III |
| Supported storage drive types | HDD & SSD |
Graphics
| On-board graphics card | No |
Internal I/O
| Number of chassis fan connectors | 5 |
| Number of CPU fan connectors | 1 |
| Number of RGB LED pin headers | 3 |
| Number of SATA III connectors | 4 |
| Number of water pump connectors | 1 |
| RGB LED pin header | Yes |
| Total number of SATA connectors | 4 |
| USB 2.0 connectors | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
Rear panel I/O ports
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| USB 2.0 ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
Network
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Ethernet LAN | Yes |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11a/802.11b/802.11g/Wi-Fi 4 (802.11n)/Wi-Fi 5 (802.11ac)/Wi-Fi 6 (802.11ax)/Wi-Fi 6E (802.11ax)/Wi-Fi 7 (802.11be) |
Expansion slots
| 1st M.2 highest PCI Express generation | 4.0 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 largest key size | 22110 |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 3.x) slots | 4 |
| PCI Express x16 (Gen 4.x) slots | 1 |
BIOS
| ACPI version | 6.5 |
| BIOS type | UEFI AMI |
Weight & dimensions
| Depth | 304.8 mm |
| Width | 243.84 mm |
