ASUS PRIME B850M-A WIFI
| Manufacturer | ASUS |
| Model | PRIME B840-PLUS WIFI |
| Socket Type & Form | AM5 / mATX |
| Chipset | AMD B850 |
| SATA Ports | 3 x M.2 - 4 x 6Gb/s |
| USB Ports | 2x USB10Gbps-2x USB5Gbps-4x USB2.0 |
| Graphics Connectors | 1xHDMI, 2x DisplayPort |
| RAM Slots | 4 x DIMM, MAX 256GB DDR5 |
| Model |
|
PRIME B850M-A WIFI
|
| 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 B850 Chipset
|
| Memory |
|
4 x DIMM slots, max. 256GB, DDR5 Supports up to 8000+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 |
|
2 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 5.0 x16 slot (supports x16 mode) |
| AMD Ryzen™ 8000 Series Desktop Processors |
| 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** |
| AMD B850 Chipset |
|
1 x PCIe 4.0 x16 slot (supports x1 mode)
|
| * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). |
| ** Specifications vary by CPU types. |
| - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported |
| 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 5.0 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 B850 Chipset |
| M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 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 ports (2 x Type-A ) |
| 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 |
|
2 x USB 10Gbps ports (2 x Type-A)
|
| 2 x USB 5Gbps ports (2 x Type-A) |
| 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 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 RGB 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 |
| Special Features |
|
ASUS 5X PROTECTION III
|
| - DIGI+ VRM |
| - LANGuard |
- Overvoltage p
|
