ASUS PRIME B840M-A WIFI – AMD AM5 DDR5 Micro-ATX Motherboard, Up to DDR5 7600+ MT/s, 3× M.2, Wi‑Fi 6E, 2.5GbE, 2× DisplayPort & 1× HDMI

Model

• PRIME B840M-A WIFI

CPU

• AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors

Chipset

• AMD B840 Chipset

Memory

• 4 x DIMM slots, max. 256GB, 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)

Graphics

• 2 x DisplayPort: Supports max. 8K@30Hz as specified in DisplayPort 1.4

• 1 x HDMI™ port: 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:

  • 2 x PCIe 3.0 x16 slots (support x1 mode)

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

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

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

USB

• 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

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

Back Panel I/O 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)

• 2 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

  • 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