MSI PRO B840-P WIFI Motherboard – AM5 Platform with WiFi 7

About the MSI PRO B840-P WIFI Motherboard

The MSI PRO B840-P WIFI motherboard is built for Singapore PC builders entering AMD's AM5 platform who want modern connectivity without overspending. This ATX board combines WiFi 7, 2.5G LAN, DDR5-8000 support, and dual PCIe 4.0 M.2 slots in a budget-conscious package. It works with Ryzen 9000, 8000, and 7000 series processors including popular models like the Ryzen 7 7800X3D and Ryzen 9 9900X. First-time builders appreciate the EZ Debug LEDs and Flash BIOS button for troubleshooting.

What This AM5 Motherboard with WiFi 7 Does for You

WiFi 7 technology delivers wireless speeds up to 5.8Gbps across 2.4GHz, 5GHz, and 6GHz bands—essential for homes without ethernet drops or those avoiding messy cable management. The 2.5G LAN port handles wired connections at 2.5 times gigabit speed for faster NAS access and file transfers. Both M.2 slots source directly from the CPU for full PCIe 4.0 x4 bandwidth, meaning your primary and secondary NVMe drives both run at peak 7000MB/s speeds. DDR5 memory overclocking reaches 8000MT/s with compatible EXPO kits, though most stable builds run 6000-6400MT/s. Four SATA ports accommodate legacy hard drives while USB 10Gbps Type-A and Type-C ports on the rear panel speed up external storage transfers.

Built for Ryzen 9000 Series and Beyond

This motherboard supports AMD Ryzen 9000, 8000, and 7000 series processors out of the box with no BIOS update required. The primary PCIe x16 slot runs at Gen 4.0 speeds for graphics cards like the RTX 4060, RTX 4070, or RX 7700 XT. Four additional PCIe slots handle capture cards, WiFi upgrades, or sound cards though secondary slots run at Gen 3.0 speeds. The Flash BIOS button lets you update firmware without installing CPU or RAM—helpful for future processor launches.

Perfect For

• First-time AM5 builders wanting WiFi 7 and DDR5 without premium board costs for Custom PC Singapore projects
• Mid-range gaming systems pairing Ryzen 7 7700X or Ryzen 7 7800X3D with RTX 5060/5070 graphics cards
• Home office PCs needing reliable connectivity via WiFi 7 or 2.5G LAN for remote work setups
• Upgraders moving from older Intel or AMD platforms who want modern storage and networking features

Why Buy from Mansa Computers

• 3-year Singapore warranty with MSI service support
• Fast WhatsApp inquiry response
• Open 7 days a week for support
• Home delivery and store pickup available

Technical Specifications Summary

Chipset
AMD B840

CPU Support
AMD Ryzen 9000/8000/7000 Series (Socket AM5)

Memory
4x DDR5 DIMM, up to 256GB, DDR5-8000 OC support

Storage
2x M.2 PCIe 4.0 x4, 4x SATA 6Gbps

Wireless
WiFi 7 (up to 5.8Gbps), Bluetooth 5.4

LAN
Realtek 2.5G Ethernet

USB
USB 10Gbps Type-A + Type-C, USB 5Gbps ports

Form Factor
ATX (243.84 x 304.8mm)

The MSI PRO B840-P WIFI motherboard delivers essential AM5 platform features with WiFi 7, dual high-speed M.2 slots, and DDR5-8000 support at a builder-friendly price. Contact us via WhatsApp for stock availability or visit our Ubi showroom for hands-on inspection before purchase.

Chipset
AMD B840

CPU
Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5

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*

Onboard Graphics
1x HDMI™
Support HDMITM 2.1, maximum resolution of 4K 60Hz*

Slot
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 processors)

Audio
Realtek® ALC897
7.1-Channel High Definition Audio

Storage
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 processors)

RAID
Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices
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® 8125D 2.5G LAN

Internal IO
1x Power Connector(ATX_PWR)
1x Power Connector(CPU_PWR)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
4x System Fan
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

Wireless LAN & Bluetooth
Wi-Fi 7

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

LED Feature
4x EZ Debug LED
1x EZ Memory Detection LED

Back Panel Ports
Clear CMOS Button
USB 10Gbps Type-A
USB 2.0
2.5G LAN
Wi-Fi / Bluetooth
Audio connectors
Flash BIOS Button
HDMI™
USB 10Gbps Type-C
USB 5Gbps Type-A

Operating System
Support for Windows® 11 64-bit

Box Content
European Union Regulatory Notice
Quick Installation Guide
EZ M.2 Clip II Remover
2 x EZ M.2 Clip II
EZ Wi-Fi Antenna
SATA Cable

PCB Info
ATX
243.84 x 304.8mm

3 YEARS WARRANTY 

Corbell Technology Pte Ltd
4012 Ang Mo Kio Ave 10, #06-04 Techplace 1
Singapore 569628
Contact: 6452 4122

Ban Leong Technologies Ltd
150, #04-01 Ubi Ave 4, Ubi Biz-Hub,
Singapore 408825
Contact: 6512 9250

Frequently Asked Questions About MSI PRO B840-P WIFI Motherboard

Does the B840 motherboard support Ryzen 9000 processors?

Yes, this board supports AMD Ryzen 9000, 8000, and 7000 series processors out of the box. No BIOS update is required for Ryzen 9000 CPUs including the Ryzen 9 9900X and Ryzen 7 9700X.

Does the MSI B840-P have WiFi built in?

Yes, WiFi 7 is pre-installed with speeds up to 5.8Gbps. It supports 2.4GHz, 5GHz, and 6GHz bands with MU-MIMO and Bluetooth 5.4. The WiFi antenna is included in the box.

How many M.2 slots does this motherboard have?

Two M.2 slots, both supporting PCIe 4.0 x4 speeds directly from the CPU. Both slots support 2280 form factor with M.2_2 also supporting 22110 length drives for maximum NVMe compatibility.

Can the B840 motherboard run DDR5-8000 memory?

Yes, it supports DDR5 overclocking up to 8000MT/s with single-rank modules in single DIMM per channel configuration. Most users achieve stable 6000-6400MT/s with dual-rank or dual-DIMM setups using AMD EXPO profiles.

Is the MSI PRO B840-P good for gaming builds?

Yes, it handles mid-range gaming well with PCIe 4.0 x16 GPU support, DDR5-8000 memory overclocking, and 2.5G LAN for low-latency online gaming. Pair with RTX 4060/4070 or RX 7600/7700 graphics cards for best results.

What's the difference between B840 and B650 motherboards?

B840 is AMD's newer budget chipset with updated platform features and better I/O options. Most B840 boards like this one include WiFi 7 and improved USB configurations compared to older B650 models.

How long will it take to receive my purchase?

Standard Shipping - 3 to 5 days
Express Shipping - 1 to 2 days

Can I opt for store pickup?

Yes, we are open daily for collection from 11 AM - 6.30 PM.
Address: 1 Ubi View #01-22, Focus One Building Singapore 408555 (Door located nearest to carpark exit gantry)
We will contact you once your order is ready for collection!