ASUS PRIME B860M-A WIFI-CSM – Intel LGA1851 Motherboard

About the ASUS PRIME B860M-A WIFI CSM

The B860M-A WIFI is built for Intel's latest LGA1851 platform and Core Ultra Series 2 processors. This micro-ATX motherboard brings modern connectivity to compact builds without cutting corners on features. It's designed for gamers, small office workstations, and home users who want reliable performance with room to grow.

What This ASUS PRIME B860M-A WIFI CSM Does for You

This motherboard handles daily computing, gaming, and creative work with stable Intel B860 chipset performance. Wi-Fi 6E tri-band wireless eliminates cable clutter while delivering fast speeds across 2.4GHz, 5GHz, and 6GHz bands. The 2.5Gb Ethernet port outpaces standard 1Gb connections for faster file transfers and lower latency gaming. DDR5 memory support up to 8666+ MT/s means your system stays responsive even under heavy multitasking loads. PCIe 5.0 x16 slot future-proofs your build for next-generation graphics cards when you're ready to upgrade.

Connectivity That Adapts to Your Needs

The B860M-A WIFI fits micro-ATX cases while delivering full-size board connectivity. USB 20Gbps Type-C port with DisplayPort support handles fast external storage and 4K displays. Three video outputs (2× DisplayPort, 1× HDMI) let you run multiple monitors for productivity or gaming setups. Dual M.2 slots plus four SATA ports give you flexibility to mix NVMe SSDs with traditional hard drives as your storage needs grow.

Perfect For

• Mid-range gaming PCs with Intel Core Ultra processors and modern GPUs for 1440p gaming with best budget pc motherboard value
• Compact workstations needing stable performance and Wi-Fi 6E for home office or small business use
• First-time builders upgrading from older platforms who want DDR5 and PCIe 5.0 without overspending
• Home media centers with multiple display outputs and reliable 2.5Gb networking for streaming

Why Buy from Mansa Computers

• 3-year ASUS Singapore warranty with local service support
• Fast WhatsApp inquiry response for compatibility questions
• Open 7 days a week for technical support
• Home delivery available across Singapore

Technical Specifications Summary

Socket
Intel LGA1851

Chipset
Intel B860

Form Factor
Micro-ATX (24.4 cm × 24.4 cm)

Memory
4× DDR5 DIMM up to 256GB, 8666+ MT/s (OC)

Storage
2× M.2 (PCIe 5.0/4.0), 4× SATA 6Gb/s

Expansion
1× PCIe 5.0 x16, 1× PCIe 4.0 x16 (x4), 1× PCIe 4.0 x1

Networking
Realtek 2.5Gb Ethernet, Wi-Fi 6E, Bluetooth 5.3

USB
1× USB 20Gbps Type-C (DP Alt), Multiple USB ports

Ready to build with the ASUS PRIME B860M-A WIFI? Order now from Mansa Computers for fast delivery and reliable local support. We're here to help with your Intel Core Ultra Series 2 build.

Model
ASUS PRIME B860M-A WIFI CSM

CPU
Supports Intel® Core™ Ultra Processors (Series 2) with LGA1851 socket, Intel® Turbo Boost Technology 2.0 and 3.0 depending on CPU type, refer to ASUS support list for compatibility

Chipset
Intel® B860 Chipset designed for stability and performance

Memory
4 x DDR5 DIMM slots up to 256GB, supports 8666+MT/s (OC), Dual Channel, Intel® XMP, and ASUS Enhanced Memory Profile III (AEMP III), Non-ECC un-buffered DDR5 with On-Die ECC, performance may vary by CPU and memory configuration

Graphics
2 x DisplayPort, 1 x HDMI port, 1 x USB 20Gbps Type-C® with DisplayPort video output, supports up to 4K@60Hz for HDMI 2.1 and DisplayPort 1.4, display performance may vary by CPU

Expansion Slots
1 x PCIe 5.0 x16 slot (CPU), 1 x PCIe 4.0 x16 slot (x4 mode), 1 x PCIe 4.0 x1 slot, refer to ASUS support list for compatible devices

Storage
2 x M.2 slots and 4 x SATA 6Gb/s ports, M.2_1 (CPU) PCIe 5.0 x4, M.2_2 (Chipset) PCIe 4.0 x4, supports Intel® Rapid Storage Technology and RAID 0/1/5/10

Ethernet
Realtek 2.5Gb Ethernet with ASUS LANGuard protection

Wireless & Bluetooth
Wi-Fi 6E 2x2 (802.11ax) supports 2.4/5/6GHz bands, Bluetooth® v5.3, Wi-Fi 6E supported only in Windows 11 or later

USB
Rear: 1 x USB 20Gbps Type-C® (DP Alt Mode), 1 x USB 10Gbps Type-A, 2 x USB 5Gbps Type-A, 4 x USB 2.0 Type-A
Front: 1 x USB 10Gbps Type-C®, 1 x USB 5Gbps header (2 ports), 1 x USB 2.0 header (2 ports), USB Type-C® power delivery up to 5V/3A

Audio
Realtek 7.1 Surround HD Audio CODEC, supports jack detection, multi-streaming, and front panel retasking, playback up to 24-bit/192kHz, audio shielding, premium capacitors, dedicated PCB layers, requires HD audio module for 7.1 output

Back Panel I/O
1 x USB 20Gbps Type-C® (DP Alt Mode), 1 x USB 10Gbps Type-A, 2 x USB 5Gbps Type-A, 4 x USB 2.0 Type-A, 2 x DisplayPort, 1 x HDMI, 1 x Wi-Fi module, 1 x Realtek 2.5Gb Ethernet, 3 x Audio jacks

Internal I/O Connectors
Cooling: CPU Fan, CPU OPT, AIO Pump, 3 x Chassis Fan
Power: 24-pin Main, 8-pin +12V CPU
Storage: 2 x M.2, 4 x SATA
USB: 1 x USB 10Gbps Type-C®, 1 x USB 5Gbps header (2 ports), 1 x USB 2.0 header (2 ports)
Misc: 3 x Addressable Gen 2 headers, RGB header, Clear CMOS, Chassis Intrusion, COM, Front Audio, S/PDIF Out, SPI TPM, Front System Panel Header, Thunderbolt™ (USB4®) header

Special Features
ASUS 5X Protection III
ASUS Q-Design
ASUS Thermal Solution
ASUS EZ DIY
Aura Sync

Software
Armoury Crate with Aura Creator, Aura Sync, Fan Xpert 2+, Power Saving, ASUS DriverHub, GlideX, CPU-Z, Norton 360 Deluxe (60 Days), WinRAR (40 Days) UEFI BIOS with CrashFree BIOS 3, EZ Flash, EZ Mode, MyHotkey

BIOS
256 Mb (128+128) Flash ROM, UEFI AMI BIOS

Manageability
WOL by PME, PXE

Accessories
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 ACC Express Activation Key Card
1 x Quick start guide

Operating System
Windows 11 (22H2 & later), Windows 10 64-bit (21H2 & later)

Form Factor
micro-ATX, 24.4 cm x 24.4 cm

3 YEARS WARRANTY 

Avertek Enterprises Pte Ltd
25 Kallang Ave, #03-03,
Singapore 339416
Contact: 6341 7839

Ban Leong Technologies Ltd
150, #04-01 Ubi Ave 4, Ubi Biz-Hub,
Singapore 408825
Contact: 6512 9250

Frequently Asked Questions About ASUS PRIME B860M-A WIFI-CSM

Does the ASUS PRIME B860M-A WIFI-CSM support DDR4 memory?

No, this motherboard only supports DDR5 memory up to 8666+ MT/s with overclocking. Intel's LGA1851 platform dropped DDR4 compatibility. You'll need DDR5 RAM modules for this build.

Can I use this motherboard for 1440p gaming builds?

Yes, the B860M-A WIFI handles 1440p gaming well with Intel Core Ultra processors and modern GPUs. The PCIe 5.0 x16 slot supports current graphics cards without bottlenecks.

What Intel processors work with the LGA1851 socket?

This motherboard supports Intel Core Ultra Series 2 processors only. Check ASUS support list for specific CPU compatibility before purchasing. Older Intel generations use different sockets.

What warranty comes with this motherboard from Mansa Computers?

You get 3-year ASUS Singapore warranty with local service support. Mansa Computers provides fast WhatsApp inquiry response and we're open 7 days a week for technical questions.

How does this compare to Z890 chipset motherboards?

The B860 offers excellent value with most features gamers need at lower cost. Z890 boards add CPU overclocking and more PCIe lanes. For non-overclockers, this saves SGD 100-200+ without losing Wi-Fi 6E or PCIe 5.0.

How long will it take to receive my purchase?

Standard Shipping - 3 to 5 days
Express Shipping - 1 to 2 days

Can I opt for store pickup?

Yes, we are open daily for collection from 11 AM - 6.30 PM.

Address: 1 Ubi View #01-22, Focus One Building Singapore 408555 (Door located nearest to carpark exit gantry)

We will contact you once your order is ready for collection!