MSI PRO B840M-P | AMD AM5 Socket | Wi-Fi 6E & 2.5G LAN | DDR5 Support | PCIe 4.0 – New
R2,901.91
Built to Push Boundaries, Not Temperatures
The MSI PRO B840M-P Wi-Fi 6E keeps your system running at full throttle with Frozr Guard cooling — an extended heatsink, 7W/mK MOSFET thermal pads, and choke thermal pads that work together to banish heat before it ever slows you down. Whether you’re deep in a gaming session or crunching through a heavy workload, this board stays cool so you never have to.
Plug In, Power Up, Play Instantly
With Wi-Fi 6E delivering up to 2.4Gbps across 6GHz bands and Realtek 2.5G LAN keeping your wired connection rock solid, lag simply isn’t part of your vocabulary. PCIe 4.0 and dual Lightning Gen 4 x4 M.2 slots mean your storage and GPU are always feeding data at blistering speeds — perfect for streaming, online gaming, and content creation without compromise.
Snap It In, Switch It Up
MSI’s EZ DIY ecosystem — including EZ M.2 Clip II, EZ PCIe Clip II, and EZ Antenna — means upgrading your rig is a matter of minutes, not frustration. No extra tools, no fiddly screws, no headaches. Spend more time doing what you built this system for, and less time wrestling with it.
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Chipset
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AMD B840 |
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CPU Support
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AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors, Socket AM5 |
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Power System
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Direct 7+2+1 Power Phases with P-PAK, 8-pin CPU Power Connector, Core Boost |
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PCB
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6-Layer PCB with 2oz Thickened Copper |
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Operating System
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Windows® 11 64-bit |
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Memory Slots
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4x DDR5 UDIMM |
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Maximum Capacity
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256GB |
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Memory Speed
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DDR5 8000–5600 (OC) MT/s / 5600–4800 (JEDEC) MT/s |
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Memory Features
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Dual-Channel, AMD EXPO™, Non-ECC Unbuffered, CUDIMM (Clock Driver Bypass Mode), Memory Boost |
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M.2 Slots
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2x M.2 — M.2_1 & M.2_2 both support up to PCIe 4.0 x4 (from CPU), supports 2280/2260 devices |
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SATA
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4x SATA 6Gbps |
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RAID Support
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RAID 0, 1, 10 for SATA; RAID 0, 1 for M.2 NVMe |
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Video Output
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1x HDMI™ 2.1 — Maximum Resolution 4K @ 60Hz |
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LAN
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Realtek® 8125D 2.5G LAN |
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Wi-Fi
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Wi-Fi 6E — 802.11 a/b/g/n/ac/ax, MU-MIMO TX/RX, 2.4GHz / 5GHz / 6GHz (160MHz), up to 2.4Gbps |
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Bluetooth
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Bluetooth® 5.3 |
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Rear USB
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4x USB 2.0 Type-A, 2x USB 5Gbps Type-A, 1x USB 10Gbps Type-A, 1x USB 10Gbps Type-C |
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Front USB Headers
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4x USB 2.0, 2x USB 5Gbps Type-A, 1x USB 5Gbps Type-C |
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Expansion Slots
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1x PCIe 4.0 x16 (from CPU), 1x PCIe 3.0 x1 (from Chipset) |
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Audio Codec
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Realtek® ALC897 |
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Audio Channels
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7.1-Channel High Definition Audio with Audio Boost |
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Form Factor
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mATX (Micro ATX) |
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Cooling
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Frozr Guard — Extended Heatsink, MOSFET Thermal Pads (7W/mK), Choke Thermal Pads |
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RGB
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3x Addressable V2 RGB LED Connectors (JARGB_V2), 1x RGB LED Connector (JRGB) |
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Debug Features
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4x EZ Debug LED, 1x EZ Memory Detection LED |
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EZ DIY Features
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EZ M.2 Clip II, EZ PCIe Clip II, EZ Antenna |
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Fan Headers
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1x CPU Fan, 1x Combo Fan (Pump/System), 3x System Fan |
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Other Headers
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TPM 2.0 Pin Header, Tuning Controller (JDASH), Chassis Intrusion (JCI), COM Port (JCOM) |
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Included Accessories
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MSI PRO B840M-P Wi-Fi 6E Motherboard, EZ M.2 Clip II Remover x1, EZ M.2 Clip II x2, EZ Wi-Fi Antenna x1, SATA Cable x1, Quick Installation Guide x1 |
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| Weight | 1.213 kg |
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| Dimensions | 28 × 7 × 27 cm |
| Brand |
MSI |
| Colour |
Black |
| Warranty |
36 Months |
