We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green rectangular mATX motherboard with silver heatsinks, four black DDR5 slots, one full-size PCIe slot, two M.2 covers

ASUS

ASUS PRO B860M-CT-CSM Intel motherboard

SKU CH-J527-XZ5NX MPN PRO B860M-CT-CSM

mATX board for Intel Core Ultra Series 2 processors with DDR5 memory up to 8666 MT/s, PCIe 5.0 x16 slot, dual M.2 slots, four SATA ports, 1 GbE LAN and onboard TPM

  • ProcessorIntel Core Ultra Processors (Series 2)
  • ChipsetIntel B860
  • Form factorMicro ATX
  • CPU socketLGA 1851
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports up to 8666+ MT/s(OC)
  • Supports Intel Core Ultra Series 2 processors via LGA 1851 socket
  • DDR5 memory up to 8666 MT/s across four slots with 256 GB capacity
  • PCIe 5.0 x16 and M.2 5.0 x4 slots for high-speed expansion
  • Intel 1 Gbps LAN plus Realtek 7.1 surround audio for connectivity and sound
  • ASUS CSM programme with Control Center Express and TPM for business manageability

Business-Ready LGA 1851 mATX Board

The ASUS PRO B860M-CT-CSM is a micro-ATX motherboard built for Intel Core Ultra Series 2 processors on the LGA 1851 socket. It targets commercial deployments that require long-term supply stability and integrated IT management tools. The board delivers the B860 chipset feature set in a compact form factor suitable for space-constrained workstations.

Thermals and Power in Daily Operation

The platform runs cool under typical office workloads thanks to the efficient B860 chipset and quality voltage-regulation components. Fan headers allow quiet cooling curves that keep acoustic output low during standard productivity tasks. Power draw remains modest with non-K series CPUs, keeping operational costs predictable for fleet rollouts.

DDR5 Memory Scaling to 8666 MT/s

Four DDR5 slots support dual-channel kits up to 256 GB total capacity with XMP 3.0 and AEMP III profiles. The memory controller validates speeds up to 8666 MT/s when overclocked, giving headroom for memory-intensive AI and content-creation workflows. This ceiling is the key figure for matching the right DRAM kit to the workload.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $126.99
Pricier than about 64% of the 2,965 comparable items (median $97.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Model namePRO B860M-CT-CSM
Part number90MB1MBM-MVAAYC
Processor
ProcessorIntel Core Ultra Processors (Series 2)
CPU socketLGA 1851
ChipsetIntel B860
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupports up to 8666+ MT/s(OC)
Max supported RAM256 GB
Memory channelsDual Channel
Memory profilesIntel XMP 3.0
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsTotal supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
Intel Core Ultra Processors(series 2)
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
Intel B860 Chipset
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 modes)
SATA and RAID supportIntel Rapid Storage Technology supports SATA RAID 0/1/5/10.
Audio & video
Sound channelsRealtek 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
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Connectivity
Maximum network speed1 Gbit/s
Wi-Fi standardM.2 slot only 2230 (Key E, CNVi & PCIe)*
*Wi-Fi module is sold separately.
Ports & slots
PCIe 5.0 x16 slots1 x PCI Express 5.0 x16
PCIe 4.0 x16 slots1 x PCIe 4.0 x16 slot (supports x4 mode)
PCIe x1 slots1 x PCIe 4.0 x1 slot
Onboard USB headers1 x USB 10 Gbit/s connector (supports USB Type-C)
1 x USB 5 Gbit/s header supports 2 additional USB 5 Gbit/s ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
1 × 8-pin +12 V CPU Power connector
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Shipping weight1.13 kg
Package size279 × 279 × 76 mm
Compatibility
Windows 11 support(22H2 & later), Windows 10 64-bit (21H2 & later)
More details
BIOS256 (128+128) Mb Flash ROM, UEFI AMI BIOS

Questions about this item

How do I install the LGA 1851 CPU and what step is often missed?

Align the processor triangle with the socket marker, lower it gently, and close the retention lever; the step many miss is removing the plastic socket cover before placement.

What maintenance will the M.2_1 slot and its SSD need over time?

The slot itself needs no service; keep the M.2 SSD firmware updated and ensure the motherboard heatsink remains seated for thermal throttling protection.

What limit appears first when the Realtek 7.1 audio runs at 24-Bit/192 kHz continuously?

The 24-Bit/192 kHz DAC ceiling is reached before the Intel 1Gbps LAN or PCIe 5.0 x16 bandwidth under sustained multi-channel playback.

More in Motherboards for Intel CPUs

Similar items