Advanced AI PC-Ready Performance
Optimized for AMD Ryzen™ 9000 Series Desktop Processors on the AMD B850 platform, featuring an 8+2+1 phase digital power design, Digi+ VRM control, and six-layer PCB for stable, efficient power delivery in demanding workloads and AI-driven applications.
Next-Gen Memory & Storage
Supports DDR5 up to 8000+ MT/s (OC) with AMD EXPO™ and ASUS Enhanced Memory Profile (AEMP), delivering enhanced memory performance. Includes three M.2 slots (1 x PCIe 5.0 x4, 2 x PCIe 4.0 x4) for ultra-fast storage speeds up to 128 Gbps.
Comprehensive Cooling Solution
Engineered with VRM heatsinks, thermal pads, M.2 heatsinks, passive chipset cooling, and multiple hybrid fan headers. ASUS Fan Xpert 2+ software offers precise, intelligent cooling control with Extreme Quiet mode.
Robust Connectivity & Networking
Equipped with Wi-Fi 6E (2×2, triple-band), Realtek 2.5Gb Ethernet, PCIe 5.0 x16 slot for next-gen GPUs, and versatile USB options including front USB 5Gbps Type-C® and rear USB 10Gbps ports.
Customization & DIY-Friendly Design
Features pre-mounted I/O shield, SafeSlot PCIe protection, BIOS FlashBack™, ASUS Q-Design elements (Q-DIMM, Q-LED Core, Q-Antenna), and full Aura Sync RGB lighting with addressable Gen 2 headers for personalization.
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AMD Socket AM5 for Ryzen™ 9000, 8000 & 7000 Series Desktop Processors*
Chipset
AMD B850 Chipset
Memory
– 4 x DIMM, up to 256GB DDR5 – Supports up to 8000+ MT/s (OC) – Dual-channel architecture – Supports AMD EXPO™, ASUS AEMP – ECC & Non-ECC un-buffered DIMM* *On-Die ECC function for DDR5
Graphics
– 2 x DisplayPort (max. 8K@30Hz, DP 1.4) – 1 x HDMI™ port (4K@60Hz, HDMI 2.1) *Graphics specs depend on CPU
Expansion Slots
Ryzen™ 9000 & 7000: 1 x PCIe 5.0 x16 (x16 mode)
Ryzen™ 8000: 1 x PCIe 4.0 x16 (x8/x4 mode)
Chipset: 1 x PCIe 4.0 x16 (x1 mode)
Storage
– 3 x M.2 slots • M.2_1 (PCIe 5.0 x4, 2280 with Ryzen 9000/7000; PCIe 4.0 x4 with Ryzen 8000) • M.2_2 (PCIe 4.0 x4, 2280; PCIe 4.0 x4/x2 with Ryzen 8000) • M.2_3 (PCIe 4.0 x4, 2242/2260/2280, via chipset) – 4 x SATA 6Gb/s ports – AMD RAIDXpert2: • Ryzen 9000: RAID 0/1/5/10 • Ryzen 8000: RAID 0/1 • Ryzen 7000: RAID 0/1/10
Networking
– 1 x Realtek 2.5Gb Ethernet (with ASUS LANGuard) – Wi-Fi 6E (2×2, supports 2.4/5/6GHz)* – Bluetooth® v5.3** *6GHz availability depends on region **Version may vary
USB Ports
Rear (8 total): – 2 x USB 10Gbps (Type-A) – 2 x USB 5Gbps (Type-A) – 4 x USB 2.0 (Type-A)
Front (7 total): – 1 x USB 5Gbps Type-C® connector – 1 x USB 5Gbps header (2 ports) – 2 x USB 2.0 headers (4 ports) *Type-C® power delivery: 5V/3A
Audio
Realtek 7.1 Surround Sound High Definition Audio CODEC – Supports 24-bit / 192 kHz playback – Audio shielding, premium capacitors, dedicated PCB layers – Requires HD front panel chassis for 7.1 output
Back Panel I/O
– 2 x USB 10Gbps (Type-A) – 2 x USB 5Gbps (Type-A) – 4 x USB 2.0 (Type-A) – 2 x DisplayPort – 1 x HDMI™ port – 1 x Wi-Fi module – 1 x 2.5Gb Ethernet port – 3 x Audio jacks – 1 x BIOS FlashBack™ button
Internal I/O Connectors
– Cooling: 1 x CPU Fan, 1 x CPU OPT Fan, 1 x AIO Pump, 3 x Chassis Fan
– Power: 1 x 24-pin ATX, 1 x 8-pin +12V CPU, 1 x 4-pin +12V CPU
– Storage: 3 x M.2, 4 x SATA 6Gb/s
– USB: 1 x USB 5Gbps Type-C, 1 x USB 5Gbps header (2 ports), 2 x USB 2.0 headers (4 ports)
– Misc: 3 x Addressable RGB Gen 2, Clear CMOS, Chassis Intrusion, COM, Front Audio, S/PDIF Out, SPI TPM, System Panel header
Special Features
– ASUS 5X PROTECTION III (DIGI+ VRM, LANGuard, Overvoltage protection, SafeSlot, Stainless-steel I/O) – ASUS Q-Design (Q-Antenna, Q-Dashboard, Q-DIMM, Q-LED Core, Q-Slot) – Thermal Solution: M.2 & VRM heatsinks – DIY Features: BIOS FlashBack™ button/LED, Pre-mounted I/O shield, SafeSlot – Aura Sync RGB (3 x Gen 2 headers)
Software
– Armoury Crate (Aura Creator, Aura Sync, Fan Xpert 2+) – ASUS AI Advisor, Driver Hub, GlideX, TurboV Core, CPU-Z – Norton 360 Deluxe (60-day trial), WinRAR (40-day trial)
BIOS
256 Mb Flash ROM, UEFI AMI BIOS Features: CrashFree BIOS 3, EZ Flash 3, EZ Mode, MyHotkey
Manageability
WOL by PME, PXE
Accessories
– 2 x SATA 6Gb/s cables – 1 x ASUS Wi-Fi Q-Antenna – 1 x M.2 rubber package – 2 x M.2 screw packages – 1 x Quick start guide – 1 x ACC Express activation key card
Asus Prime B850M-A WIFI-CSM AM5 Motherboard
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