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ASUS PRIME B850M-A WIFI AM5 Micro ATX Motherboard – DDR5 up to 8000+ (OC), PCIe 5.0 x16, Wi-Fi 6E + BT 5.3, 2.5GbE LAN, 3x M.2 (1x PCIe 5.0), Dual DisplayPort + HDMI | 90MB1LN0-M0EAY0

Name: ASUS PRIME B850M-A WIFI AM5 Micro ATX Motherboard – DDR5 up to 8000+ (OC), PCIe 5.0 x16, Wi-Fi 6E + BT 5.3, 2.5GbE LAN, 3x M.2 (1x PCIe 5.0), Dual DisplayPort + HDMI | 90MB1LN0-M0EAY0
Brand: ASUS
SKU: GSK-M0B0-W0071
Price: 780.00 AED
Availability: InStock

SKU: GSK-M0B0-W0071

Original price was: AED 850.00.Current price is: AED 780.00.

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1 Year Warranty

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ASUS PRIME B850M-A WIFI — a Micro ATX foundation for AMD Ryzen 9000, 8000 & 7000 Series processors (up to 170W): an 8+2+1 phase digital power design on a six-layer PCB, PCIe 5.0 x16 with SafeSlot, DDR5 up to 8000+ MT/s (OC) with AEMP, 3x M.2 including PCIe 5.0, built-in Wi-Fi 6E, Realtek 2.5Gb Ethernet, and AI Cache Boost for up to 29% faster local LLM performance — Advanced AI PC-ready, with a pre-mounted I/O shield.

Built for AMD Ryzen Processors

The PRIME B850M-A WIFI features an 8+2+1 phase power design with discrete MOSFETs, ensuring efficient and stable power delivery for AMD processors plus steady performance for day-to-day use. A six-layer PCB design enhances stability, Digi+ VRM control delivers real-time voltage management, and the board supports CPUs up to 170W across the Ryzen 9000, 8000 and 7000 Series.

ASUS AI Solutions

AI Cache Boost supercharges your large language model workflows — exclusive to ASUS AMD 800 and 600 series motherboards with Ryzen 9000 Series CPUs, this BIOS setting optimizes CPU cache and memory pathways to deliver up to 29% faster local LLM performance with high-speed memory tuning. ASUS AI Advisor lets you explore the functionality and advanced features of your motherboard using natural language.

Enhanced Memory & Storage Performance

Four DDR5 DIMM slots support up to 256GB of dual-channel memory at up to 8000+ MT/s (OC). For entry-level modules without EXPO support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles, while extensive AMD EXPO support and UEFI settings let enthusiasts surpass stock DDR5 speeds. Three M.2 slots — one PCIe 5.0 x4 at up to 128Gbps and two PCIe 4.0 — enable quicker boot-up and app load times, alongside four SATA 6Gb/s ports with AMD RAIDXpert2 RAID support.

Empowering Connections

Built-in Wi-Fi 6E takes advantage of the 6GHz band with triple the bandwidth of the 2.4/5GHz bands, delivering ultrafast wireless with improved capacity and better performance in dense environments — with the ASUS Q-Antenna snapping into place. Realtek 2.5Gb Ethernet reduces CPU overhead with exceptionally high TCP and UDP throughput. The rear panel offers two USB 10Gbps and two USB 5Gbps ports plus four USB 2.0 ports, with a front-panel USB 5Gbps Type-C connector adding case connectivity. Display outputs include dual DisplayPort 1.4 (8K@30Hz) and HDMI 2.1 (4K@60Hz), and Realtek 7.1 HD audio with premium capacitors completes the package.

EZ PC DIY

Building is effortless: the pre-mounted I/O shield safeguards ports and simplifies installation, BIOS FlashBack updates the BIOS with no CPU or memory needed, Q-Antenna snaps the Wi-Fi antenna into place, SafeSlot reinforces the PCIe 5.0 slot, and Q-LED Core and Q-Dashboard simplify diagnostics and BIOS navigation. Aura Sync with three addressable Gen 2 RGB headers provides complete lighting control, while Armoury Crate, ASUS DriverHub, GlideX and TurboV Core complete the software suite.

Key Features

AMD Socket AM5 for Ryzen 9000 / 8000 / 7000 Series (up to 170W)
AMD B850 chipset · Advanced AI PC ready
8+2+1 phase digital power design, 8+4 pin CPU power, six-layer PCB
4x DDR5 DIMM, dual channel, up to 256GB, up to 8000+ MT/s (OC), EXPO, AEMP
AI Cache Boost (up to 29% faster LLM) · ASUS AI Advisor
1x PCIe 5.0 x16 (SafeSlot) + 1x PCIe 4.0 x16 (x1)
3x M.2: 1x PCIe 5.0 x4 (2280) + 2x PCIe 4.0 x4 (2280 / 2242-2280) + 4x SATA 6Gb/s, RAIDXpert2
Wi-Fi 6E 2×2 (802.11ax, 2.4/5/6GHz) + Bluetooth 5.3, ASUS Q-Antenna
Realtek 2.5Gb Ethernet + ASUS LANGuard
2x USB 10Gbps + 2x USB 5Gbps + 4x USB 2.0 rear + front USB-C 5Gbps
2x DisplayPort 1.4 (8K@30Hz) + HDMI 2.1 (4K@60Hz)
Realtek 7.1 HD Audio, premium capacitors, dedicated audio PCB layers
Fan Xpert 2+, Armoury Crate, TurboV Core, GlideX
BIOS FlashBack, pre-mounted I/O shield, SafeSlot, Q-LED Core, Q-Dashboard
3x Addressable RGB Gen 2 headers, Aura Sync

Spec Sheet

PRODUCT SPECIFICATIONS
Model	PRIME B850M-A WIFI (90MB1LN0-M0EAY0)
CPU Socket	AMD AM5 — Ryzen 9000 / 8000 / 7000 Series (up to 170W)
Chipset	AMD B850
Power Design	8+2+1 phase digital power design, six-layer PCB, 8+4 pin CPU power, Digi+ VRM
Memory	4x DDR5 DIMM, Dual Channel, Max 256GB, up to 8000+ MT/s (OC), EXPO, AEMP
Expansion Slots	1x PCIe 5.0 x16 (SafeSlot) + 1x PCIe 4.0 x16 (x1)
Storage	1x M.2 PCIe 5.0 x4 (2280) + 1x M.2 PCIe 4.0 x4 (2280) + 1x M.2 PCIe 4.0 x4 (2242-2280) + 4x SATA 6Gb/s · RAIDXpert2
Wireless	Wi-Fi 6E 2×2 (802.11ax, 2.4/5/6GHz) + Bluetooth 5.3, ASUS Q-Antenna
USB	Rear: 2x USB 10Gbps, 2x USB 5Gbps, 4x USB 2.0 · Internal: front USB-C 5Gbps connector, USB 5Gbps header (2 ports), 2x USB 2.0 headers (4 ports)
Display Outputs	2x DisplayPort 1.4 (8K@30Hz), 1x HDMI 2.1 (4K@60Hz)
Network	Realtek 2.5Gb Ethernet + ASUS LANGuard
Audio	Realtek 7.1 HD Audio, 24-Bit/192kHz playback, premium capacitors, dedicated audio PCB layers
Internal Connectors	24-pin ATX + 8-pin + 4-pin CPU, 6x fan headers (CPU/OPT/AIO/chassis), 3x ARGB Gen 2, S/PDIF header, COM header, SPI TPM, chassis intrusion
BIOS	256 Mb UEFI AMI BIOS, Q-Dashboard, BIOS FlashBack
Operating System	Windows 11 / Windows 10 64-bit
Form Factor	Micro ATX, 24.4cm x 24.4cm — pre-mounted I/O shield
Warranty	3 Years

Perfect For

Compact Ryzen 9000 builds wanting Wi-Fi 6E built in
Users wanting AI Cache Boost LLM acceleration on a budget mATX board
Builders needing PCIe 5.0 graphics and M.2 storage with 2.5GbE wired
Multi-monitor setups with dual DisplayPort outputs

What’s Included

ASUS PRIME B850M-A WIFI motherboard
1x ASUS WiFi Q-Antenna
2x SATA 6Gb/s cables
1x M.2 rubber package · 2x M.2 screw packages
Quick start guide

Advanced AI PC-ready in compact form — the PRIME B850M-A WIFI pairs Ryzen 9000 support, DDR5 to 8000+ MT/s, PCIe 5.0 graphics and storage, Wi-Fi 6E and AI Cache Boost in an mATX package with a pre-mounted I/O shield.