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Asus Prime B860M-A CSM (LGA 1851) DDR5 Micro-ATX Motherboard

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Intel Core Ultra compatible, LGA 1851 Socket, B860, PCIe Gen 5, Micro-ATX, 4x DIMM slots, DDR5, 2 x M.2 , 4 x SATA, 2.5Gb LAN, Type-C
£218.99 (incl. VAT)
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SKU MOT-ASU-04076
EAN 4711387819869
MPN 90MB1K00-M0EAYC
MANUFACTURER Asus
Component Details
CPU Support Intel® Core™ Ultra Processors (Series 2), LGA1851*
Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0**
* Refer to https://www.asus.com/support/download-center/ for CPU support list.
** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types.
Chipset Intel® B860 Chipset
Memory 4 x DIMM slots, max. 192GB, DDR5
Supports up to 8400+MT/s (OC), Non-ECC, Un-buffered, Clocked Unbuffered DIMM (CUDIMM)*
Dual channel memory architecture
DIMM Fit
Supports Intel® Extreme Memory Profile (XMP) memory module
ASUS Enhanced Memory Profile III (AEMP III)
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration.
Graphics 2 x DisplayPort**
1 x HDMI™ port***
** Supports max. 4K@60Hz as specified in DisplayPort 1.4.
*** Supports 4K@60Hz as specified in HDMI 2.1.
Expansion Slots 1 x PCIe 5.0 x16 slot
1 x PCIe 4.0 x16 slot (supports x4 mode)
1 x PCIe 4.0 x1 slot
Storage Total 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)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 modes)
4 x SATA 6Gb/s ports
Ethernet 1 x Realtek 2.5Gb Ethernet
ASUS LANGuard
USB Rear USB (Total 8 ports)
1 x USB 20Gbps port (1 x USB Type-C®)
1 x USB 10Gbps port (1 x Type-A)
2 x USB 5Gbps ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
Front USB (Total 5 ports)
1 x USB 10Gbps connector (supports USB Type-C®)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
1 x USB 2.0 header supports 2 additional USB 2.0 ports
Audio Realtek 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
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
Back Panel I/O Ports 1 x USB 20Gbps port (1 x USB Type-C®)
1 x USB 10Gbps port (1 x Type-A)
2 x USB 5Gbps ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
2 x DisplayPort
1 x HDMI™ port
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks
Internal I/O Connectors Fan and Cooling Related:
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
3 x 4-pin Chassis Fan headers
Power Related:
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
Storage Related:
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB:
1 x USB 10Gbps connector (supports USB Type-C®)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
1 x USB 2.0 header supports 2 additional USB 2.0 ports
Special Features ASUS 5X PROTECTION III
- DIGI+ VRM (Digital power design with DrMOS)
- ESD Guards
- LANGuard
- Overvoltage protection
- Stainless-steel back I/O
ASUS Q-Design
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED Core
- Q-Slot
Software Features ASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 2+
- Power Saving
ASUS DriverHub
ASUS CPU-Z
Norton 360 for Deluxe (60 Days Free Trial)
WinRAR (40 Days Free Trial)
BIOS 256 (128+128) Mb Flash ROM, UEFI AMI BIOS
Manageability WOL by PME, PXE
Accessories Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x M.2 rubber package
1 x Screw package for M.2 SSD
Documentation
1 x Quick start guide
Operating System Windows 11 (22H2 & later), Windows 10 64-bit (21H2 & later)
Form Factor micro-ATX Form Factor
9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)
Lighting
Lighting Yes
Form Factor
Motherboard formfactor Micro-ATX
Colour
Primary Colour Black
Motherboard
Motherboard Chipset Intel B860
Built-In I/O Shield Yes
CPU
CPU Manufacturer Intel
CPU Socket 1851
Dimensions
Length / Depth 244 mm
Width 244 mm
Wi-Fi & LAN
LAN Yes
LAN Ports 1x 2.5 Gbit/s
Wi-Fi / Bluetooth No
Expansion Slots
PCIe x16 slots (total) 2
PCIe x1 slots (total) 1
Fan Header
4 Pin Fan Connectors 6
External Ports
USB 3.2 (external) Type C 1
USB 3.1 (external) Type A 1
USB 3.0 (external) Type A 2
USB 2.0 (external) Type A 4
Display Connectors HDMI (1x), Display Port (2x)
Memory
Max. Memory 192 GB
Memory Type DDR5
Memory Form Factor DIMM
System Memory Subtype UDIMM, CUDIMM
Max. Memory Speed (OC) 8400 MT/s
EEC Support Yes
Memory slots 4x
Internal Ports
CPU Power Supply 1x 8-Pin
USB4 (internal) Header 1
USB 3.0 / 3.1 / 3.2 (internal) Type C Header 1
USB 3.0 / 3.1 / 3.2 (internal) Type C Possible Ports 1
USB 3.0 (internal) Header 1
USB 3.0 (internal) Possible Ports 2
USB 2.0 (internal) Header 1
USB 2.0 (internal) Possible Ports 2
RGB / LED connectors 1x RGB (4-Pin 5050 12VGRB), 3x Digital RGB (3-Pin 5VDG)
Front Panel Audio Header Yes
SPI TPM Header Yes
Cooling
Backplate Yes
M.2 Heatsinks Yes
VRM Heatsinks Yes
Storage Ports
M.2 PCIe 4.0 x4 1
M.2 PCIe 5.0 x4 1
SATA 6G (internal) 4
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30 Day return and refund period
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£218.99 (incl. VAT)
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