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MSI B840 GAMING PLUS WIFI AM5 DDR5 ATX Motherboard

MSI B840 GAMING PLUS WIFI AM5 DDR5 ATX Motherboard
MSI B840 GAMING PLUS WIFI AM5 DDR5 ATX Motherboard
MSI B840 GAMING PLUS WIFI AM5 DDR5 ATX Motherboard
Out Of Stock
MSI B840 GAMING PLUS WIFI AM5 DDR5 ATX Motherboard
MSI B840 GAMING PLUS WIFI AM5 DDR5 ATX Motherboard
MSI B840 GAMING PLUS WIFI AM5 DDR5 ATX Motherboard
MSI B840 GAMING PLUS WIFI AM5 DDR5 ATX Motherboard
  • Stock: Out Of Stock
  • Brand: MSI
  • Model: B840 GAMING PLUS WIFI
  • SKU: B840 GAMING PLUS WIFI
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Key Features:
  • Supports for AMD Ryzen 7000/8000/9000 series desktop processors
  • Support for DDR5 8000 MHz memory (OC)
  • Frozr Guard: Extended Heatsink, MOSFET thermal pads
  • Audio Boost
  • 2.5G LAN and Wi-Fi 7
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Product Details

MSI B840 GAMING PLUS WIFI AM5 DDR5 ATX Motherboard

The MSI B840 GAMING PLUS WIFI AM5 DDR5 PCIe 5.0 ATX Motherboard is a cutting-edge motherboard designed to maximize performance for AMD Ryzen™ 9000, 8000, and 7000 series processors. With support for DDR5 memory up to 256GB and speeds from 5600 MT/s to 8200 MT/s (OC), this motherboard ensures high-speed data handling for gaming, content creation, and professional tasks. It features dual-channel memory support, memory overclocking, and AMD EXPOTM for enhanced performance. This motherboard is equipped with Wi-Fi 7, providing high-speed wireless connectivity with up to 5.8Gbps bandwidth across 2.4GHz, 5GHz, and 6GHz bands. The Realtek® 8125BG 2.5G LAN offers additional high-speed wired connectivity for stable network performance. The MSI B840 GAMING PLUS WIFI includes numerous ports, such as USB 2.0, USB 5Gbps, and USB 10Gbps on both the front and rear. For high-definition video output, it supports HDMI 2.1 with 4K resolution at 60Hz. Additionally, the motherboard offers 5 PCI-E x16 slots for expansion cards, ensuring excellent flexibility for graphics cards, storage devices, and other peripherals. Designed in a standard ATX form factor (243.84mm x 304.8mm), it is perfect for building powerful, scalable gaming PCs and workstations. Backed by a 3-year warranty, the MSI B840 GAMING PLUS WIFI provides a solid foundation for your next high-performance build.

Features of MSI B840 GAMING PLUS WIFI AM5 DDR5 Motherboard

  • High-Speed DDR5 Memory Support: The MSI B840 GAMING PLUS WIFI supports up to 256GB of DDR5 memory, with speeds ranging from 5600 MT/s (JEDEC) to 8200 MT/s (OC), delivering fast and responsive performance for gaming and multitasking.
  • Optimized for AMD Ryzen™ 9000/8000/7000 Series Processors: Designed for AMD Ryzen™ 9000, 8000, and 7000 Series processors, offering superb overclocking potential with speeds of up to 8200+ MT/s depending on configuration.
  • Wi-Fi 7 for Faster Wireless Performance: Equipped with Wi-Fi 7, supporting 2.4GHz/5GHz/6GHz frequencies and speeds up to 5.8Gbps for lag-free online gaming and fast data transfer. Also supports MU-MIMO for better multi-device performance.
  • Comprehensive Connectivity Options: Offers USB 2.0, USB 5Gbps Type A and Type C, and USB 10Gbps Type A and Type C ports for seamless connections to external devices, with multiple ports on both the rear and front I/O.
  • Enhanced Graphics with PCIe 4.0 x16 Slot: PCIe 4.0 x16 slot (from CPU) allows for faster graphics card performance, supporting high-end GPUs for a superior gaming experience.
  • Realtek® 8125BG 2.5G LAN: Equipped with Realtek® 8125BG 2.5G LAN for faster and more stable wired network connections, ensuring smooth gameplay and high-speed data transfers.
  • Support for Multiple Displays: Includes HDMI™ 2.1 output, supporting up to 4K 60Hz resolution, and features a Quad Display setup for enhanced multi-monitor productivity and immersive gaming.
Specification
Core Component
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/.
Motherboard Specification
Chipset AMD B840
Socket Socket AM5
Form Factor ATX
243.84mmx304.8mm
Audio Realtek® ALC897
7.1-Channel High Definition Audio
Network & Wireless
Wi-Fi Wi-Fi 7 Solution
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (320MHz) up to 5.8Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax/ be

Supports 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.
LAN Realtek® 8125BG 2.5G LAN
Supports
Supported CPU Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Connectors
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)
HDMI 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.
Ports & Slots
PCI-E 5x 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 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)
Slots 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 22110/2280/2260 devices 4x SATA 6G M2_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.
5x 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 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)
Internal I/O Ports 1x Power Connector(ATX_PWR)
1x Power Connector(CPU_PWR)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
4x 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)
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 ports
2x USB 5Gbps Type A ports
1x USB 5Gbps Type C ports
Warranty Information
Warranty 3 Years Warranty

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