Asus PRIME B840M-A WIFI-CSM AM5 mATX Motherboard

Brand: ASUS
SKU: PRIME-B840M-A-WIFI-CSM
Availability: In stock

Key Features

  • Model: PRIME B840M-A WIFI-CSM
  • Supported CPU: Ryzen 9000/8000/7000 Series Processors for Socket AM5
  • RAM: 4x DDR5, up to 192GB, 7600+(OC) MT/s
  • Graphics Output: 1x HDMI, 2 x DisplayPort
  • Features: 1 x Realtek 2.5Gb, Wi-Fi 6E, Bluetooth v5.3
Tk 29,500
Tk 31,980
Tk 29,500
Subtotal: Tk 29,500

Specification

Basic Information

Supported CPU AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
Chipset AMD B840 Chipset
BIOS 256 Mb Flash ROM, UEFI AMI BIOS
Form Factor micro-ATX Form Factor
9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)
Audio Realtek 7.1 Surround Sound High Definition Audio CODEC
Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Expansion Slots

PCI AMD Ryzen™ 9000 & 7000 Series Desktop Processors*
1 x PCIe 4.0 x16 slot (supports x16 mode)
AMD Ryzen™ 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
AMD B840 Chipset
2 x PCIe 3.0 x16 slots (support x1 mode)
M.2 Socket Total supports 3 x M.2 , (Key M), type 2242/2260/2280

 

Memory

Type DDR5
Slots 4 x DIMM slots
Supported Memory Supports up to 7600+MT/s (OC) with Ryzen 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC, Un-buffered DIMM
Maximum Memory Max. 192GB

 

Graphics

Graphics 2 x DisplayPort**
1 x HDMI™ port***

 

Connector & Ports

HDMI 1x HDMI
USB (s) Rear USB (Total 7 ports)
2 x USB 10Gbps ports (2 x Type-A)
1 x USB 5Gbps port (1 x USB Type-C®)
4 x USB 2.0 ports (4 x Type-A)
Front USB (Total 7 ports)
1 x USB 5Gbps connector (supports USB Type-C®)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
* USB Type-C® power delivery output: max. 5V/3A
LAN Port (s) 1 x Realtek 2.5Gb Ethernet
ASUS LANGuard
Wireless Communication module Wi-Fi 6E
2x2 Wi-Fi 6E (802.11ax)
Supports 2.4/5/6GHz frequency band
Bluetooth v5.3
Supported Storage Total supports 3 x M.2 slots and 4 x SATA 6Gb/s ports
AMD Ryzen™ 9000 & 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
AMD Ryzen™ 8000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)*
AMD B840 Chipset
M.2_3 slot (Key M), type 2280 (supports PCIe 3.0 x4 mode)
4 x SATA 6Gb/s ports
* Specifications vary by CPU types.
RAID AMD RAIDXpert2 Technology
Ryzen 9000 Series Processors: RAID 0/1/5/10
Ryzen 8000 Series Processors: RAID 0/1
Ryzen 7000 Series Processors: RAID 0/1/10
Audio 3 x Audio jacks
Internal I/O Ports Fan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
3 x 4-pin Chassis Fan headers
Power Related
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
Storage Related
3 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 5Gbps connector (supports USB Type-C® )
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Miscellaneous
3 x Addressable Gen 2 headers
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (F_AUDIO)
1 x S/PDIF Out header
1 x SPI TPM header (14-1 pin)
1 x 10-1 pin Front Panel System header
TPM (Trusted Platform Module ) 1 x SPI TPM header (14-1 pin)

 

Others

Special Features ASUS 5X PROTECTION III
- DIGI+ VRM
- LANGuard
- Overvoltage protection
- SafeSlot Core+
- Stainless-steel back I/O
ASUS Q-Design
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED Core
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- Pre-mounted I/O shield
Aura Sync
- Addressable Gen 2 headers
Bundled Software ASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 2+
- Power Saving
ASUS DriverHub
ASUS GlideX
TurboV Core
ASUS CPU-Z
Adobe Creative Cloud (Free Trial)
Norton 360 Deluxe (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey

 

Warranty

Warranty 3 years

Description

Asus PRIME B840M-A WIFI-CSM AM5 mATX Motherboard 

The Asus PRIME B840M-A WIFI-CSM AM5 mATX Motherboard is engineered to unleash the full potential of the latest AMD Ryzen 9000 Series Desktop Processors, offering a perfect blend of performance, reliability, and efficiency for modern computing. Built on the AMD B840 chipset, this motherboard delivers cutting-edge features tailored for both professional users and advanced PC builders seeking stability and speed.

Equipped with an 8+2+1 power phase design and high-quality MOSFETs, the motherboard ensures precise and stable power delivery to handle demanding workloads and heavy multitasking with ease. Its multi-layered PCB design improves heat dissipation and contributes to consistent thermal performance, allowing for enhanced overclocking potential and long-term system stability.

The Asus PRIME B840M-A WIFI-CSM supports up to 192GB of DDR5 memory with speeds reaching new heights, providing faster data throughput, reduced latency, and improved system responsiveness. Its PCIe 4.0 expansion slots offer high-speed connectivity for modern GPUs, SSDs, and other peripherals, ensuring users experience top-tier performance in both gaming and professional applications.

For networking, the motherboard includes Wi-Fi 6E and Realtek 2.5Gb Ethernet, offering ultra-fast, reliable connections for online gaming, content streaming, and cloud-based workloads. It also features a wide range of USB connectivity, including USB 3.2 Gen 2 Type-A and Type-C ports for seamless data transfer and peripheral compatibility.

A standout feature of this model is ASUS Control Center Express, a comprehensive software solution that simplifies IT management. It allows users to monitor, configure, and optimize system performance efficiently, making it ideal for business and enterprise environments as well as advanced home setups.

The Asus PRIME B840M-A WIFI-CSM is built with ASUS 5X Protection III, ensuring robust durability against power surges, corrosion, and static electricity. It also integrates Fan Xpert 2+ for dynamic cooling control, helping maintain optimal thermal balance under heavy load conditions.

With its sleek micro-ATX design and Aura Sync RGB lighting, the motherboard combines professional aesthetics with customizable illumination, enabling users to personalize their system setup easily.

Whether you’re building a high-performance workstation or a future-ready gaming PC, the Asus PRIME B840M-A WIFI-CSM AM5 mATX Motherboard delivers superior power, speed, and reliability for any purpose.

Price in Bangladesh: 29,500৳
Buy the Asus PRIME B840M-A WIFI-CSM AM5 mATX Motherboard from Tech Buy. Order online or visit your nearest showroom to get yours at the best price. This motherboard comes with a 3-year warranty.

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