![Dear customers, please take note of our scheduled holiday closures: Closed on Hari Raya Haji (27.05.26 Wed), Resume usual business hours on 28.05.26 Thu | Open on Vesak Day (30.05.26 Sat), Closed on 31.05.26 Sun & 01.06.26 [Regular Monday Closure], Resume usual business hours on 02.06.26 Tue. Thank you.](image/catalog/header/megaphone.png)
Dear customers, please take note of our scheduled holiday closures: Closed on Hari Raya Haji (27.05.26 Wed), Resume usual business hours on 28.05.26 Thu | Open on Vesak Day (30.05.26 Sat), Closed on 31.05.26 Sun & 01.06.26 [Regular Monday Closure], Resume usual business hours on 02.06.26 Tue. Thank you. 
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B860 Series
ASUS PRIME B860M-A-CSM Motherboard
- $290.00
B860M-A-CSM
ASUS PRIME series motherboards are expertly engineered to unleash the full potential of the latest Intel® Core™ Ultra Processors (Series 2). Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the PRIME B860M-K-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.
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ASUS
PRIME B860M-A CSM
Unique Features
- » ASUS Corporate Stable Model (CSM): Includes a free copy of ASUS Control Center Express IT management software and long-term lifecycle support.
- » ASUS 5X PROTECTION III: DIGI+ VRM, LANGuard, Overvoltage Protection, SafeSlot Core+, and Stainless-Steel Back I/O.
- » Comprehensive Cooling: VRM heatsink, M.2 heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+.
- » Ultrafast Connectivity: PCIe 5.0 slot, dual M.2 slots, Realtek 2.5Gb Ethernet, and front USB 3.2 Gen 1 Type-C®.
CPU & Memory
Processor Support
- • Intel® Socket LGA1851 (Intel® B860 Chipset)
- • Intel® Core™ Ultra Processors (Series 2)
Memory Specs
- • Dual Channel DDR5 (4 x DIMM Slots)
- • Max Capacity: 192GB (Non-ECC, Un-buffered)
- • High-speed memory overclocking support
- • ASUS OptiMem II technology
Graphics & Storage
Video Output
- • 1 x DisplayPort 1.4
- • 1 x HDMI® 2.1
- • *Requires CPU with integrated graphics
Fast Storage
- • 2x Total M.2 Slots:
- • M.2_1 (CPU): PCIe 4.0 x4 mode
- • M.2_2 (Chipset): PCIe 4.0 x4 mode
- • 4 x SATA 6Gb/s Ports (Intel Rapid Storage Tech)
Expansion & Net
Expansion Slots
- • 1 x PCIe 5.0 x16 Slot (CPU)
- • 2 x PCIe 4.0 x16 Slots (Chipset, support x4 or x1 modes)
Connectivity
- • LAN: 1 x Realtek 2.5Gb Ethernet
- • Wi-Fi: V-M.2 slot only (Key E, PCIe) - Wi-Fi module sold separately
Ports & Headers
Rear Panel I/O
- • 2x USB 3.2 Gen 2 (Type-A)
- • 4x USB 2.0 (Type-A)
- • 1x DisplayPort, 1x HDMI, 1x Realtek 2.5Gb Ethernet
- • 3x Audio jacks, 1x PS/2 Keyboard/Mouse
Internal & Audio
- • Realtek 7.1 Surround Sound High Definition Audio
- • Front USB: 1x Type-C (3.2 Gen 1), 4x 3.2 Gen 1, 4x 2.0
- • 3x Addressable Gen 2 headers, 1x Aura RGB header
- • mATX Form Factor (24.4 cm x 24.4 cm)