{"id":7089,"date":"2026-10-19T11:25:19","date_gmt":"2026-10-19T10:25:19","guid":{"rendered":"https:\/\/buildit.im\/index.php\/product\/asrock-b860m-pro-a-intel-1851-socket-motherboard-micro-atx-4x-ddr5-slots-3x-m-2-sockets-2x-usb-c-port-2-5gbe-lan-1x-displayport-1x-hdmi-port\/"},"modified":"2026-10-19T11:25:21","modified_gmt":"2026-10-19T10:25:21","slug":"asrock-b860m-pro-a-intel-1851-socket-motherboard-micro-atx-4x-ddr5-slots-3x-m-2-sockets-2x-usb-c-port-2-5gbe-lan-1x-displayport-1x-hdmi-port","status":"publish","type":"product","link":"https:\/\/buildit.im\/index.php\/product\/asrock-b860m-pro-a-intel-1851-socket-motherboard-micro-atx-4x-ddr5-slots-3x-m-2-sockets-2x-usb-c-port-2-5gbe-lan-1x-displayport-1x-hdmi-port\/","title":{"rendered":"ASRock B860M Pro-A Intel 1851 Socket Motherboard, Micro-ATX, 4x DDR5 Slots, 3x M.2 Sockets, 2x USB-C Port, 2.5GbE LAN, 1x DisplayPort \/ 1x HDMI Port"},"content":{"rendered":"<p><b>ASRock B860M PRO-A<\/b><\/p>\n<p><b>Key Features<\/b><br \/>Supports Intel Core Ultra Processors (Series 2) (LGA1851)<br \/>0+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SA<br \/>4 x DDR5 DIMMs Supports Dual Channel, up to 8666+ (OC)<br \/>1 x PCIe 5.0 x16, 1 x PCIe 4.0 x4, 1 x M.2 Key E for WiFi<br \/>Graphics Output Options: 1 x HDMI, 1 x DisplayPort<br \/>Realtek ALC897 7.1 CH HD Audio Codec<br \/>4 x SATA3<br \/>1 x Blazing M.2 (PCIe Gen5 x4)<br \/>2 x Hyper M.2 (PCIe Gen4 x4)<br \/>1 x USB 3.2 Gen2x2 Type-C (Rear)<br \/>1 x USB 3.2 Gen1 Type-C (Front)<br \/>5 x USB 3.2 Gen1 (3 Rear, 2 Front)<br \/>6 x USB 2.0 (2 Rear, 4 Front)<br \/>Realtek 2.5G LAN<br \/>Supports BIOS Flashback<\/p>\n<p><b>10 + 1 + 1 POWER PHASE DESIGN + DR.MOS<\/b><br \/>Vcore with Dr.MOS design, delivering smoother and neater power to the CPU.<\/p>\n<p><b>USB 3.2 GEN2x2 TYPE-C<\/b><br \/>The USB 3.2 Gen2x2 Type-C delivers up to 20 Gbps data transfer rate.<\/p>\n<p><b>POLYCHROME SYNC<\/b><br \/>The RGB LED header allows user to create unique PC style easily.<\/p>\n<p><b>REALTEK 2.5Gbps LAN<\/b><br \/>Enjoy faster connectivity for gaming, file transfers and backups.<\/p>\n<p><b>BLAZING M.2 (PCIE GEN5 x4)<\/b><br \/>Supports up to 3 x NVMe M.2 SSDs and one of which is able to accommodates the latest PCI Express 5.0 standard.<\/p>\n<p><b>M.2 KEY E FOR WiFi<\/b><br \/>Users may upgrade wireless module by M.2 (Key E) slot.<\/p>\n<p><b>Specification<\/b><\/p>\n<p><b>Platform<\/b><br \/>Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm<\/p>\n<p><b>Unique Feature<\/b><br \/>Superb Productivity<br \/>PCIe Gen5 (Graphics, M.2)<br \/>Dual Channel DDR5<br \/>Rock-Solid Durability<br \/>10+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SA+VNNAON<br \/>Ultrafast Connectivity<br \/>2.5G LAN, 802.11axe Wi-Fi 6E Module<br \/>EZ Update<br \/>BIOS Flashback Button<br \/>ASRock Auto Driver Installer<br \/>EZ Troubleshooter<br \/>ASRock Post Status Checker<\/p>\n<p><b>CPU<\/b><br \/>Supports Intel Core Ultra Processors (Series 2) (LGA1851)<br \/>Supports Intel Hybrid Technology<br \/>Supports Intel Turbo Boost Max 3.0 Technology<br \/>Supports Intel Thermal Velocity Boost (TVB)<br \/>Supports Intel Adaptive Boost Technology (ABT)<br \/>Integrated NPU for dedicated AI acceleration<\/p>\n<p><b>Chipset<\/b><br \/>Intel B860<\/p>\n<p><b>Memory<\/b><br \/>Dual Channel DDR5 Memory Technology<br \/>4 x DDR5 DIMM Slots<br \/>Supports DDR5 non-ECC, un-buffered memory up to 8666+(OC)<br \/>1DPC 1R Up to 8666+ MHz (OC), 5600 MHz Natively.<br \/>1DPC 2R Up to 6800+ MHz (OC), 5600 MHz Natively.<br \/>2DPC 1R Up to 6533+ MHz (OC), 4800 MHz Natively.<br \/>2DPC 2R Up to 5600+ MHz (OC), 4400 MHz Natively.<br \/>Supports Clocked Unbuffered DIMM (CUDIMM)<br \/>Max. capacity of system memory: 256GB<br \/>Supports Intel Extreme Memory Profile (XMP) 3.0x<\/p>\n<p><b>Expansion Slot<\/b><br \/>CPU:<br \/>1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode<br \/>Chipset:<br \/>1 x PCIe 4.0 x4 Slot (PCIE2), supports x4 mode<br \/>1 x M.2 Socket (Key E), supports type 2230 WiFi\/BT PCIe WiFi module and Intel<br \/>CNVio\/CNVio2 (Integrated WiFi\/BT)<br \/>Supports NVMe SSD as boot disks<\/p>\n<p><b>Graphics<\/b><br \/>Intel UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated.<br \/>Intel Xe LPG Graphics Architecture<br \/>1 x HDMI 2.1 TMDS\/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz<br \/>1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 8K 60Hz \/ 5K 120Hz<\/p>\n<p><b>Audio<\/b><br \/>7.1 CH HD Audio (Realtek ALC897 Audio Codec)<\/p>\n<p><b>LAN<\/b><br \/>2.5 Gigabit LAN 10\/100\/1000\/2500 Mb\/s<br \/>Dragon RTL8125BG<br \/>Supports Dragon 2.5G LAN Software<br \/>Smart Auto Adjust Bandwidth Control<br \/>Visual User Friendly UI<br \/>Visual Network Usage Statistics<br \/>Optimized Default Setting for Game, Browser, and Streaming Modes<br \/>User Customized Priority Control<\/p>\n<p><b>USB<\/b><br \/>Chipset:<br \/>1 x USB 3.2 Gen2x2 Type-C (Rear)<br \/>1 x USB 3.2 Gen1 Type-C (Front)<br \/>5 x USB 3.2 Gen1 Type-A (3 Rear, 2 Front)<br \/>6 x USB 2.0 (2 Rear, 4 Front)<br \/>All USB ports support ESD Protection<\/p>\n<p><b>Rear Panel I\/O<\/b><br \/>2 x Antenna Mounting Points<br \/>1 x HDMI Port<br \/>1 x DisplayPort 1.4<br \/>1 x USB 3.2 Gen2x2 Type-C Port (20 Gb\/s)<br \/>3 x USB 3.2 Gen1 Ports<br \/>2 x USB 2.0 Ports<br \/>1 x RJ-45 LAN Port<br \/>1 x BIOS Flashback Button<br \/>HD Audio Jacks: Line in \/ Front Speaker \/ Microphone<\/p>\n<p><b>Storage<\/b><br \/>CPU:<br \/>1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb\/s) mode<br \/>Chipset:<br \/>1 x Hyper M.2 Socket (M2_2, Key M), supports type 2230\/2242\/2260\/2280 PCIe Gen4x4 (64 Gb\/s) mode<br \/>1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen4x4 (64 Gb\/s) mode<br \/>4 x SATA3 6.0 Gb\/s Connectors<br \/>Supports Intel Volume Management Device (VMD)<br \/>Supports NVMe SSD as boot disks<\/p>\n<p><b>RAID<\/b><br \/>Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices<\/p>\n<p><b>Connector<\/b><br \/>1 x COM Port Header<br \/>1 x SPI TPM Header<br \/>1 x Power LED and Speaker Header<br \/>1 x RGB LED Header<br \/>3 x Addressable LED Headers<br \/>2 x CPU Fan Connector (4-pin) (Smart Fan Speed Control)<br \/>3 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)<br \/>1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)<br \/>1 x 24 pin ATX Power Connector<br \/>1 x 8 pin 12V Power Connector (Hi-Density Power Connector)<br \/>1 x 4 pin 12V Power Connector (Hi-Density Power Connector)<br \/>1 x Front Panel Audio Connector<br \/>2 x USB 2.0 Headers (Support 4 USB 2.0 ports)<br \/>1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 port)<br \/>1 x Front Panel Type C USB 3.2 Gen1 Header<br \/>Supports in total up to 12V\/3A, 36W LED Strip<br \/>Support in total up to 5V\/3A, 15W LED Strip<br \/>CPU_FAN1 supports the fan power up to 1A (12W).<br \/>CPU_FAN2, CHA_FAN1~3 and AIO_PUMP support the fan power up to 3A (36W).<br \/>CPU_FAN2, CHA_FAN1~3 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use.<\/p>\n<p><B>BIOS Feature<\/b><br \/>256Mb AMI UEFI Legal BIOS with GUI support<\/p>\n<p><b>Software and UEFI<\/b><br \/>Software<br \/>ASRock Motherboard Utility (A-Tuning)<br \/>ASRock Dragon 2.5G LAN Software<br \/>ASRock Polychrome SYNC<br \/>UEFI<br \/>ASRock EZ Mode<br \/>ASRock Full HD UEFI<br \/>ASRock My Favorites in UEFI<br \/>ASRock Auto Driver Installer<br \/>ASRock Instant Flash<\/p>\n<p><b>OS<\/b><br \/>Microsoft Windows OS 11 64-bit<\/p>\n<p><b>Certifications<\/b><br \/>FCC, CE<br \/>ErP\/EuP ready (ErP\/EuP ready power supply is required)<\/p>\n<p><b>Accessories<\/b><br \/>1 x I\/O Shield<br \/>2 x SATA Data Cables<br \/>1 x Screw for M.2 Socket<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ASRock B860M Pro-A Intel 1851 Socket Motherboard, Micro-ATX, 4x DDR5 Slots, 3x M.2 Sockets, 2x USB-C Port, 2.5GbE LAN, 1x DisplayPort \/ 1x HDMI Port<\/p>\n","protected":false},"featured_media":7090,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[1471],"product_cat":[2815],"product_tag":[6219],"class_list":["post-7089","product","type-product","status-publish","has-post-thumbnail","product_brand-asrock","product_cat-motherboards","product_tag-socket-1851cpu-compatibility-intel-ultrachipset-intel-b860form-factor-micro-atxmemory-slots-ddr5-4-slotsm-2-compatibility-pcie-5-pcie-4wi-fi-yes","first","outofstock","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/buildit.im\/index.php\/wp-json\/wp\/v2\/product\/7089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buildit.im\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/buildit.im\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/buildit.im\/index.php\/wp-json\/wp\/v2\/comments?post=7089"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buildit.im\/index.php\/wp-json\/wp\/v2\/media\/7090"}],"wp:attachment":[{"href":"https:\/\/buildit.im\/index.php\/wp-json\/wp\/v2\/media?parent=7089"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/buildit.im\/index.php\/wp-json\/wp\/v2\/product_brand?post=7089"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/buildit.im\/index.php\/wp-json\/wp\/v2\/product_cat?post=7089"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/buildit.im\/index.php\/wp-json\/wp\/v2\/product_tag?post=7089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}