ASRock B860 Pro-A Intel 1851 Socket Motherboard, ATX, 4x DDR5 Slots, 3x M.2 Sockets, 2x USB-C Port, 2.5GbE LAN, 1x DisplayPort / 1x HDMI Port

Key FeaturesSupports Intel Core Ultra Processors (Series 2) (LGA1851)10+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SA4 x DDR5 DIMMs Supports Dual Channel, up to 8666+ (OC)1 x PCIe 5.0 x16, 1 x PCIe 4.0 x16, 1 x M.2 Key E for WiFiGraphics Output Options: 1 x HDMI, 1 x DisplayPortRealtek ALC897 7.1 CH HD Audio Codec4 x SATA31 x Blazing M.2 (PCIe Gen5 x4)2 x Hyper M.2 (PCIe Gen4 x4)1 x USB 3.2 Gen2x2 Type-C (Rear)1 x USB 3.2 Gen1 Type-C (Front)8 x USB 3.2 Gen1 (6 Rear, 2 Front)6 x USB 2.0 (2 Rear, 4 Front)Realtek 2.5G LANSupports BIOS Flashback

10 + 1 + 1 POWER PHASE DESIGN + DR.MOSVcore with Dr.MOS design, delivering smoother and neater power to the CPU.

USB 3.2 GEN2x2 TYPE-CThe USB 3.2 Gen2x2 Type-C delivers up to 20 Gbps data transfer rate.

POLYCHROME SYNCThe RGB LED header allows user to create unique PC style easily.

REALTEK 2.5Gbps LANEnjoy faster connectivity for gaming, le transfers and backups.

BLAZING M.2 (PCIE GEN5 x4)Supports up to 3 x NVMe M.2 SSDs and one of which is able to accommodates the latest PCI Express 5.0 standard.

M.2 KEY E FOR WIFIUsers may upgrade wireless module by M.2 (Key E) slot.

Specifications

PlatformATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm

Unique FeatureSuperb ProductivityPCIe Gen5 (Graphics, M.2)Dual Channel DDR5Rock-Solid Durability10+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SAUltrafast Connectivity2.5G LANEZ UpdateBIOS Flashback ButtonASRock Auto Driver InstallerEZ TroubleshooterASRock Post Status Checker

CPUSupports Intel CoreTM Ultra Processors (Series 2) (LGA1851)Supports Intel Hybrid TechnologySupports Intel Turbo Boost Max 3.0 TechnologySupports Intel Thermal Velocity Boost (TVB)Supports Intel Adaptive Boost Technology (ABT)Integrated NPU for dedicated AI acceleration

ChipsetIntel B860

MemoryDual Channel DDR5 Memory Technology4 x DDR5 DIMM SlotsSupports DDR5 non-ECC, un-buffered memory up to 8666+(OC)1DPC 1R Up to 8666+ MHz (OC), 5600 MHz Natively.1DPC 2R Up to 6800+ MHz (OC), 5600 MHz Natively.2DPC 1R Up to 6533+ MHz (OC), 4800 MHz Natively.2DPC 2R Up to 5600+ MHz (OC), 4400 MHz Natively.Supports Clocked Unbuffered DIMM (CUDIMM)Max. capacity of system memory: 256GBSupports Intel Extreme Memory Profile (XMP) 3.0x

Expansion SlotsCPU:1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 modeChipset:1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module and IntelCNVio/CNVio2 (Integrated WiFi/BT)Supports NVMe SSD as boot disks

GraphicsIntel UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated. Intel Xe LPG Graphics Architecture1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 8K 60Hz / 5K 120Hz

Audio7.1 CH HD Audio (Realtek ALC897 Audio Codec)

LAN2.5 Gigabit LAN 10/100/1000/2500 Mb/sDragon RTL8125BGSupports Dragon 2.5G LAN SoftwareSmart Auto Adjust Bandwidth ControlVisual User Friendly UIVisual Network Usage StatisticsOptimized Default Setting for Game, Browser, and Streaming ModesUser Customized Priority Control

USBCPU:1 x USB 3.2 Gen2x2 Type-C (Rear)Chipset:1 x USB 3.2 Gen1 Type-C (Front)8 x USB 3.2 Gen1 (6 Rear, 2 Front)6 x USB 2.0 (2 Rear, 4 Front)All USB ports support ESD Protection

Rear Panel I/O2 x Antenna Mounting Points1 x HDMI Port1 x DisplayPort 1.41 x USB 3.2 Gen2x2 Type-C Port (20 Gb/s)6 x USB 3.2 Gen1 Ports2 x USB 2.0 Ports1 x RJ-45 LAN Port1 x BIOS Flashback ButtonHD Audio Jacks: Line in / Front Speaker / Microphone

StorageCPU:1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) modeChipset:1 x Hyper M.2 Socket (M2_2, Key M), supports type 2230/2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode4 x SATA3 6.0 Gb/s ConnectorsSupports Intel Volume Management Device (VMD)

RAID1 x SPI TPM Header1 x Power LED and Speaker Header1 x RGB LED Header3 x Addressable LED Headers2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)4 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)1 x 24 pin ATX Power Connector2 x 8 pin 12V Power Connectors (Hi-Density Power Connector)1 x Front Panel Audio Connector2 x USB 2.0 Headers (Support 4 USB 2.0 ports)1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)1 x Front Panel Type C USB 3.2 Gen1 HeaderSupports in total up to 12V/3A, 36W LED StripSupport in total up to 5V/3A, 15W LED StripCPU_FAN1 supports the fan power up to 1A (12W).CPU_FAN2, CHA_FAN1~4 and AIO_PUMP support the fan power up to 3A (36W).CPU_FAN2, CHA_FAN1~4 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use.Supports NVMe SSD as boot disks

BIOS Feature256Mb AMI UEFI Legal BIOS with GUI support

Software and UEFISoftwareASRock Motherboard Utility (A-Tuning)ASRock Dragon 2.5G LAN SoftwareASRock Polychrome SYNCUEFIASRock EZ ModeASRock Full HD UEFIASRock My Favorites in UEFIASRock Auto Driver InstallerASRock Instant Flash

OSMicrosoft Windows OS 11 64-bit

CertificationsFCC, CEErP/EuP ready (ErP/EuP ready power supply is required)