- ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 9000 series processors. The PRIME B840M-A WIFI motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
Product Details:
Model:
- PRIME B840M-A WIFI
CPU:
- AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
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
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)
- * Specifications vary by CPU types.
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
Ethernet:
- 1 x Realtek 2.5Gb Ethernet
- ASUS LANGuard
Wireless & Bluetooth:
- Wi-Fi 6E
- Bluetooth® v5.3
USB:
Rear USB (Total 7 ports):
- 2 x USB 10Gbps ports (Type-A)
- 1 x USB 5Gbps port (USB Type-C)
- 4 x USB 2.0 ports (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
Back Panel I/O Ports:
- 2 x USB 10Gbps ports (Type-A)
- 1 x USB 5Gbps port (USB Type-C)
- 4 x USB 2.0 ports (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
Form Factor:
- micro-ATX Form Factor
- 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)
Part Number:
- 90MB1J20-M0EAY0