The Centre For All Your Computer & I.T. Needs!

Asus Prime B840-Plus WIFI CSM AM5 DDR5 ATX Motherboard

Upgrade your setup with the Asus PRIME B840-PLUS WIFI CSM AM5 DDR5 ATX Motherboard. Featuring an 8+2+1 Phase Digital Power Design and support for DDR5 RAM, this motherboard enhances performance. Enjoy lightning-fast data transfers with the PCIe 4.0 M.2 slot, along with Wi-Fi 6E and 2.5Gb Ethernet for seamless connectivity. With USB 10Gbps Type-C and a flexible M.2 heatsink, this motherboard offers efficiency and innovation for next-level computing. Fast dispatch and delivery available!

  • AM5
  • Wi-Fi 6E
  • DDR5
Don't Pay $299
$279

Login to get free shipping*

+

Stock Availability (LIVE)

  • OnlineIn Stock
  • NSW
  • AuburnIn Stock
  • SA
  • AdelaideIn Stock
  • VIC
  • SunshineIn Stock
  • ClaytonIn Stock
  • RichmondIn Stock
  • NunawadingIn Stock
  • FrankstonIn Stock
  • BendigoIn Stock
  • Apple BendigoSold Out
  • MaribyrnongIn Stock
    Click Collect ONLY

Call for corporate/edu qty purchases
* Business Days. Orders placed after 2pm for Adelaide or Auburn pick ups may expect delays.

Free Click & Collect
Learn more »

Similar products

Quick Specifications
Manufacturer Specifications

CPU AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*
* Refer to https://www.asus.com/support/download-center/ for CPU support list.
Chipset  AMD B840 Chipset
Memory  4 x DIMM slots, max. 192GB, DDR5 Supports up to 7600+MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC Un-buffered DIMM*
Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO™)
ASUS Enhanced Memory Profile (AEMP)
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
Graphics 1 x DisplayPort**
1 x HDMI™ port***  
* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
** Supports max. 8K@30Hz as specified in DisplayPort 1.4.
*** Supports 4K@60Hz as specified in HDMI 2.1.  
Expansion Slots  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
1 x PCIe 3.0 x16 slot (support x4 mode)***
2 x PCIe 3.0 x16 slots (support x1 mode)***
1 x PCIe 3.0 x1 slot***
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
** Specifications vary by CPU types.
*** The PCIEX16(G3)_1/3 and PCIEX1(G3) share bandwidth with PCIEX16(G3)_2. The PCIEX16(G3)_2 will run x1 mode when any of the PCIEX16(G3)_1/3 and PCIEX1(G3) slots is occupied.
- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.
Storage  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 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 2280 (supports PCIe 4.0 x4/x2 mode)*
AMD B840 Chipset
M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 mode
4 x SATA 6Gb/s ports
* Specifications vary by CPU types.
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
Ethernet 1 x Realtek 2.5Gb Ethernet
ASUS LANGuard
Wireless & Bluetooth Wi-Fi 6E
2x2 Wi-Fi 6E (802.11ax)
Supports 2.4/5/6GHz frequency band*
Bluetooth® v5.3**
* WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later.
** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.
USB  Rear USB (Total 8 ports)
2 x USB 10Gbps port(s) (1 x Type-A + 1 x USB Type-C®)
2 x USB 5Gbps ports (2 x Type-A)
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
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. 
Back Panel I/O Ports  1 x USB 10Gbps port (1 x USB Type-C®)
1 x USB 10Gbps port (1 x Type-A)
2 x USB 5Gbps ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A) 
1 x DisplayPort
1 x HDMI™ port
1 x Wi-Fi module
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks 
1 x BIOS FlashBack™ button 
Internal I/O Connectors 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
4 x 4-pin Chassis Fan header
Power Related 
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connectors
1 x 4-pin +12V CPU Power connectors
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 Chassis Intrusion 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 System Panel header
1 x Thunderbolt™ (USB4®) header
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
- Flexible M.2 heatsink 
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Pre-mounted I/O shield
- SafeSlot core+
Aura Sync
- Addressable Gen 2 headers
Software Features ASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 2+
- Power Saving
ASUS Driver Hub
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
BIOS  256 Mb Flash ROM, UEFI AMI BIOS
Manageability  WOL by PME, PXE 
Accessories  Cables
2 x SATA 6Gb/s cables 
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x M.2 rubber packages
3 x Screw packages for M.2 SSD
Documentation
1 x Quick start guide
Operating System  Windows® 11, Windows® 10 64-bit
Form Factor  ATX Form Factor
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Note: The specifications are subject to change without notice.

Similar products