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  1. Home
  2. Motherboards
  3. Intel - mATX - LGA1851
SKU: 800-26571C
  • Integrated Intel Graphics - 2x HDMI
  • Max 256GB / 4x DDR5 DIMM / Up to 8333+ (O.C.)
  • 4x SATA 6GB/s, 2x M.2 / RAID 0, 1, 10, 5
  • Up to 1x USB 3.2 G2 (USB-C), 6x USB 3.2 G1 (1x USB-C), 6x USB 2.0
  • 1x PCIe 4.0 x16, 2x PCIe 4.0 x1
Our Price: Login to see price
Availability: Temporarily out of stock
 

Specifications

CPU Support
LGA1851 socket for Intel Core Ultra Processors (Series 2)
Number of Processor (s)
Single (Not Included)
Chipset
Intel B860 chipset
System Bios
UEFI AMI BIOS
Video card slot
PCIe 4.0 x16
Number of Memory Slots
2
Type of Memory Supported
128GB
Maximum RAM
Up to DDR5-8333(O.C)+ Non-ECC, Un-buffered Memory
Back Panel I/O
  • 1 x USB 3.2 Gen 2x2 Type-C port
  • 3 x USB 3.2 Gen1 Type-A ports
  • 2 x USB 2.0 ports
  • 2 x HDMI
  • 1 x RJ45 LAN
  • 1 x Audio I/O
Number of PCI/PCI-Express Slots
  • 1 x PCIe 4.0 x16
  • 2 x PCIe 4.0 x1
Integrated SATA/SAS
4 x SATA 6Gb/s
# of M.2 Ports
  • 1 x M.2 with M key, type 2280 supports PCIe 5.0 x4 mode
  • 1 x M.2 with M key, type 2280 supports PCIe 4.0 x4 mode
Integrated SATA/SAS RAID
RAID 0, 1, 10, 5
Integrated Audio
Realtek ALC897 7.1 CH HD Audio Codec
Integrated Video
Integrated Graphics from processor (Actual support may vary by CPU)
Integrated LAN
Realtek 8111H Gb Ethernet
USB
  • 1 x USB 3.2 Gen 2x2 Type-C port on Back Panel I/O
  • 3 x USB 3.2 Gen1 Type-A ports on Back Panel I/O
  • 1 x USB 3.2 Gen1 Type-C port via header
  • 2 x USB 3.2 Gen1 Type-A ports via header
  • 2 x USB 2.0 ports on Back Panel I/O
  • 4 x USB 2.0 ports via headers
Form Factor
Micro ATX
Dimensions
9.6" x 8.3"

The above specifications are For reference only. Please contact the original manufacturer For the most updated specifications.

Warranty and Service

  • Warranty Length: 1 year
  • Warranty Provider: Asrock
  • Service Contact:
    1. First 30-day from invoice date: Allstarshop On-line RMA Request
    2. After 30-day from invoice date: Contact Asrock at (909) 590-8308
  • Technical Support: Asrock (909) 590-8308

Package Contents

  • ASRock B860M-H2 motherboard
  • 1 x I/O Shield
  • 2 x SATA Data Cables
  • 1 x Screw for M.2 Socket

Compatible Accessories

CPU

Intel Core Ultra 5 245K 14-Core LGA1851 w/24MB cache CPU (BOX)
  • 14x Cores / 14x Threads / Turbo Boost: 5.2 GHz
  • P-core: 6 / Base: 4.2 GHz / Turbo: 5.2 GHz
  • E-core: 14 / Base: 3.6 GHz / Turbo: 4.6 GHz
  • Base: 125W / Max Turbo 250W
  • Intel Graphics / Heatsink/Fan Not Included
Manufacturer: Intel
Mfg P/N: BX80768245K
Availability: Usually ships with 1-2 business days
Intel Core Ultra 7 265K 20-Core LGA1851 w/30MB cache CPU (BOX)
  • 20x Cores / 20x Threads / Turbo Boost: 5.5 GHz
  • P-core: 8 / Base: 3.9 GHz / Turbo: 5.4 GHz
  • E-core: 12 / Base: 3.3 GHz / Turbo: 4.6 GHz
  • Base: 125W / Max Turbo: 250W
  • Intel Graphics / Heatsink/Fan Not Included
Manufacturer: Intel
Mfg P/N: BX80768265K
Availability: Usually ships with 1-2 business days
Intel Core Ultra 9 285K 24-Core LGA1851 w/36MB cache CPU (BOX)
  • 24x Cores / 24x Threads / Turbo Boost: 5.7 GHz
  • P-core: 8 / Base: 3.7 GHz / Turbo: 5.5 GHz
  • E-core: 16 / Base: 3.2 GHz / Turbo: 4.6 GHz
  • Base: 125W / Max Turbo 250W
  • Intel Graphics / Heatsink/Fan Not Included
Manufacturer: Intel
Mfg P/N: BX80768285K
Availability: Usually ships with 1-2 business days

Memory

Crucial 16GB DDR5-5600 PC5-44800 CL46 288-pin UDIMM
  • PC5-44800
  • Single-Rank x8
  • DDR5-5600 46-45-45 @ 1.1V
Manufacturer: Crucial
Mfg P/N: CT16G56C46U5
Availability: Usually ships with 1-2 business days
Crucial 32GB DDR5-5600 PC5-44800 CL46 288-pin UDIMM
  • PC5-44800
  • Dual-Rank x8
  • DDR5-5600 46-45-45 @ 1.1V
Manufacturer: Crucial
Mfg P/N: CT32G56C46U5
Availability: Usually ships with 1-2 business days
Crucial 8GB DDR5-5600 PC5-44800 CL46 288-pin UDIMM
  • PC5-44800
  • Single-Rank x8
  • DDR5-5600 46-45-45 @ 1.1V
Manufacturer: Crucial
Mfg P/N: CT8G56C46U5
Availability: Temporarily out of stock
Kingston 16GB DDR5-5600 CL46 1Rx8 288-pin UDIMM
  • PC5-44800
  • Single-Rank x8
  • DDR5-5600 46-45-45 @ 1.1V
Manufacturer: Kingston
Mfg P/N: KVR56U46BS8-16
Availability: Usually ships with 1-2 business days
Kingston 32GB DDR5-5600 CL46 2Rx8 288-pin DIMM
  • PC5-44800
  • Dual-Rank x8
  • DDR5-5600 46-45-45 @ 1.1V
Manufacturer: Kingston
Mfg P/N: KVR56U46BD8-32
Availability: Usually ships with 1-2 business days

SSD

Crucial T500 2TB NVMe PCIe 4.0 M.2 SSD
  • Sequential Read (up to): 7,400 MB/s / Write (up to): 7,000 MB/s
  • Endurance Rating: 1200 TBW
  • Form Factor: M.2 22 x 80mm
Manufacturer: Crucial
Mfg P/N: CT2000T500SSD8
Availability: Usually ships with 1-2 business days
Samsung 990 EVO Plus 1TB NVMe PCIe 5.0 M.2 SSD
  • Sequential Read (up to): 7,150 MB/s / Write (up to): 6,300 MB/s
  • Random QD32 Read (up to): 850K IOPS / Write (up to): 1,350K IOPS
  • Endurance Rating: 600 TBW
  • MTBF: 1.5M hours
  • Form Factor: M.2 22 x 80mm
Manufacturer: Samsung
Mfg P/N: MZ-V9S1T0B/AM
Availability: Usually ships with 1-2 business days

Software

Microsoft Windows 11 Home 64-bit Full Edition License (OEM/1pk)
Manufacturer: Microsoft
Mfg P/N: KW9-00633
Availability: Usually ships with 1-2 business days
Microsoft Windows 11 Pro 64-bit Full Edition License (OEM/1pk)
Manufacturer: Microsoft
Mfg P/N: FQC-10529
Availability: Usually ships same day