| Weight | 5 lbs |
|---|---|
| Dimensions | 16 × 12 × 5 in |
| Brand | ASUS |
| CPU Socket Type | AM5 |
| CPU Type | Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series |
| Chipset | AMD B850 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Supports up to 8000+MT/s (OC) |
| Maximum Memory Supported | 256GB |
| Channel Supported | Dual Channel |
| Memory Performance Profile | AMD EXPO |
| ECC Supported | Yes |
| Buffer Supported | Un-buffered |
| Memory Feature | ASUS Enhanced Memory Profile (AEMP) |
| PCI Express 5.0 x16 | 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) |
| PCI Express 4.0 x16 | AMD B850 Chipset 1 x PCIe 4.0 x16 slot (supports x1 mode) |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | 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 (K |
| SATA 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 Channels | 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 |
| Max LAN Speed | 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 ax |
| Bluetooth | Bluetooth 5.4 |
| Back 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 |
| Onboard 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 |
| Other 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 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 heade |
| Form Factor | Micro ATX |
| Dimensions (W x L) | 9.6" x 9.6" |
| Power Pin | 1 x 24-pin Main Power connector 1 x 8-pin +12V CPU Power connector 1 x 4-pin +12V CPU Power connector |
| BIOS Feature | 256 Mb Flash ROM, UEFI AMI BIOS |
| Software | ASUS Exclusive Software Armoury Crate – Aura Creator – Aura Sync – Fan Xpert 2+ – Power Saving ASUS AI Advisor 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 |
| Windows 11 | Supported |
| Features | ASUS 5X PROTECTION III – DIGI+ VRM – LANGuard – Overvoltage protection – SafeSlot – 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 – BIO |
| Package Contents | Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x ASUS WiFi Q-Antenna 1 x M.2 rubber package 1 x Screw package for M.2 SSD Documentation 1 x Quick start guide |
| MPN | 90MB1LN0-MVAAYC |
| UPC | 199291051133 |
ASUS PRIME B850M-A WIFI-CSM AM5
Original price was: $203.48.$162.78Current price is: $162.78.
Save 20%Sale ends Dec 23Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications AMD AM5 Socket: Ready for AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
In stock
- Free shipping on orders $49+ Standard Ground $4.00 on orders under $49. Ships in 1–2 business days (order by 5:00 PM CT on a business day to start today), then 3–5 business days in transit.
- 30-day returns We pay return shipping on defective, damaged or wrong items. No restocking fee.
- Manufacturer warranty New and factory sealed, with the full manufacturer's warranty.
- Secure checkout Visa, Mastercard and American Express and Discover.
Overview
B850M-A WIFI-CSM
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850M-A WIFI-CSM 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.
Wi-Fi 6E
for stable Wi-Fi connection and lower latency
Pre-mounted I/O shield
for safeguarding ports and enhancing aesthetics
AM5 Socket for AMD Ryzen™ Desktop processors 1 x PCIe® 5.0 x16 (supports x16 mode) SafeSlot 1 x PCIe® 4.0 x16 (supports x1 mode) 8+2+1 phase digital power design
4 x DIMM slots DDR5 support Dual channel AEMP M.2_1 2280 (PCIe® 5.0 x4 mode) M.2_2 2280 (PCIe® 4.0 x4 mode) M.2_3 2242/2260/2280 (PCIe® 4.0 x4 mode)
4 x USB 2.0 Type-A 2 x DisplayPort™ HDMI™ port BIOS FlashBack™ button 2.5 Gb Ethernet
Related products
-
−20%GIGABYTEGIGABYTE B860 GAMING X WIFI6E LGA 1851 ATX Motherboard, DDR5, 3x M.2, PCIe 5.0, 2.5GbE
Original price was: $189.99.$151.99Current price is: $151.99. -
−25%GIGABYTEGIGABYTE Z790 EAGLE AX LGA 1700
Original price was: $209.99.$157.49Current price is: $157.49. -
−20%GIGABYTEGIGABYTE Z890 AORUS ELITE X ICE LGA 1851 ATX Motherboard, DDR5, 5x M.2, Thunderbolt 4, Wi-Fi 7
Original price was: $329.99.$263.99Current price is: $263.99. -
−20%GIGABYTEGIGABYTE X870 GAMING X WIFI7 AM5 ATX Motherboard, DDR5, 4x M.2, PCIe 5.0, USB4, Wi-Fi 7
Original price was: $399.92.$319.93Current price is: $319.93.
