
Asus Prime B860M-K LGA 1851 mATX Motherboard (PRIME B860M-K)
Asus · Umart
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Last seen $249 on 9 Aug 2026
Out of stock at Umart — last seen $249 on 9 Aug 2026.
Out of stock at Umart as of 9 Aug 2026. Prices change — confirm on the store's page before buying.
Price history
We started tracking this on 7 Aug 2026 and have recorded a single price so far. The chart appears once we've seen the price move.
Description
SPECIFICATIONS:CPUSupports 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. ChipsetIntel B860 Chipset Memory2 x DIMM slots, max. 128GB, DDR5Supports up to 8800+MT/s (OC),Non-ECC, Un-buffered ,Clocked Unbuffered DIMM (CUDIMM)*Dual channel memory architectureDIMM FitSupports Intel Extreme Memory Profile (XMP) memory moduleASUS Enhanced Memory Profile III(AEMPIII)* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.** Non-ECC, un-buffered DDR5 memory supports On-Die ECC function. Graphics1 x DisplayPort**1 x HDMI port*** * Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates.** Supports max. 4K@60Hz as specified in DisplayPort 1.4.*** Supports 4K@60Hz as specified in HDMI 2.1.**** VGA resolution support depends on processors' or graphic cards' resolution. Expansion SlotsIntel Core Ultra Processors (Series 2)1 x PCIe 4.0 x16 slotIntel B860 Chipset2 x PCIe 4.0 x1 slots- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals. StorageTotal 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 ChipsetM.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)4 x SATA 6Gb/s ports* Intel Rapid Storage Technology supports SATA RAID 0/1/5/10. Ethernet1 x Realtek 2.5Gb EthernetASUS LANGuard USBRear USB (Total 6 ports)1 x USB 10Gbps port (1 x Type-A)2 x USB 5Gbps ports (2 x Type-A)3 x USB 2.0 ports (3 x Type-A)**Front USB (Total 7 ports)1 x USB 5Gbps connector (supports USB Type-C)1 x USB 5Gbps header supports 2 additional USB 5Gbps ports2 x USB 2.0 headers support 4 additional USB 2.0 ports*** USB Type-C power delivery output: max. 5V/3A.** USB_E1 port, USB_E2 port, USB_E3 port and USB_E4 port share the bandwidth. AudioRealtek 7.1 Surround Sound High Definition Audio CODEC*- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking- Supports up to 24-Bit/192 kHz playbackAudio Features- Audio Shielding- Premium audio capacitors- Dedicated audio PCB layers* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. Back Panel I/O Ports1 x USB 10Gbps port (1 x Type-A)2 x USB 5Gbps ports (2 x Type-A)3 x USB 2.0 ports (3 x Type-A)1 x DisplayPort1 x HDMITM port1 x Realtek 2.5Gb Ethernet port3 x Audio jacks1 x PS/2 Keyboard/Mouse combo port Internal I/O ConnectorsFan and Cooling Related1 x 4-pin CPU Fan header2 x 4-pin Chassis Fan headersPower Related1 x 24-pin Main Power connector1 x 8-pin +12V CPU Power connectorStorage Related2 x M.2 slots (Key M)4 x SATA 6Gb/s portsUSB1 x USB 5Gbps connector (supports USB Type-C )1 x USB 5Gbps header supports 2 additional USB 5Gbps ports2 x USB 2.0 headers support 4 additional USB 2.0 portsMiscellaneous2 x Addressable Gen2 headers1 x Aura RGB header1 x Clear CMOS header1 x COM Port header1 x Front Panel Audio header (F_AUDIO)1 x S/PDIF Out header1 x SPI TPM header (14-1 pin)1 x 10-1 pin Front Panel System header Special FeaturesASUS 5X PROTECTION III- DIGI+VRM- LANGuard- Overvoltage protection- SafeSlot Core+- Stainless-steel back I/OASUS Q-Design- Q-Dashboard- Q-DIMM- Q-LED Core- Q-SlotASUS Thermal Solution- VRM heatsink designASUS EZ DIY- ProCoolAura Sync- Aura RGB header- Addressable Gen2 headers Software FeaturesASUS
- Store
- Umart
- Brand
- Asus
- SKU
- 85470
- Category
- Computers & Gaming
- First tracked
- 7 Aug 2026
- Last checked
- 9 Aug 2026






