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ASRock B860M-X specifications and in-depth review

ASRock B860M-X

Manufacturer: ASRock

The ASRock B860M-X is a Micro-ATX motherboard designed around Intel's LGA 1851 platform with the B860 chipset. Measuring 244 mm × 218 mm, it fits standard Micro-ATX cases while offering a solid feature set for mainstream system builds. The board carries a dual BIOS implementation and a three-year warranty, reflecting a degree of reliability consideration in its design.

Memory support spans two DDR5 slots with a rated maximum of 6400 MHz and an overclocked ceiling of 9066 MHz, accommodating up to 128 GB across dual channels. Storage connectivity includes four SATA 3 ports, two M.2 sockets, and full RAID 0, 1, 5, and 10 support. On the expansion side, the board provides one PCIe 4.0 x16 slot alongside one PCIe x1 and one PCIe x4 slot. Rear I/O includes three USB 3.2 Gen 1 Type-A ports, one USB 3.2 Gen 2x2 Type-C port, two USB 2.0 ports, HDMI 2.1, one DisplayPort output, and a single RJ45 ethernet jack, while 7.1-channel audio is handled through three audio connectors.

Pros
  • Dual BIOS provides a fallback option if the primary BIOS becomes corrupted
  • DDR5 memory support with overclocked speeds reaching up to 9066 MHz offers substantial headroom for memory-intensive workloads
  • Supports RAID 0, 1, 5, and 10, giving meaningful flexibility for storage redundancy and performance configurations
  • USB 3.2 Gen 2x2 Type-C port on the rear I/O delivers up to 20Gbps for fast external storage devices
  • Five fan headers allow for a reasonably detailed cooling layout within the case
  • Three-year warranty period provides solid long-term coverage
Cons
  • Only two memory slots limit future upgrade flexibility compared to four-slot alternatives
  • No Wi-Fi or Bluetooth onboard, requiring separate adapters for wireless connectivity
  • Lacks a clear CMOS button, making BIOS resets less straightforward
  • No PCIe 5.0 x16 slot, restricting compatibility with the latest high-bandwidth expansion cards
  • No S/PDIF Out port limits digital audio output options for certain audio setups
  • RAID 0+1 is not supported, narrowing options for users specifically requiring that configuration
Who is this for?

This board is well-suited to users building a compact desktop system around the LGA 1851 platform who do not need a full-ATX footprint. The DDR5 support with overclocked speeds up to 9066 MHz makes it a reasonable fit for users who want to push memory performance in a Micro-ATX build. The inclusion of RAID 0, 1, 5, and 10 support alongside four SATA 3 connectors and two M.2 sockets makes it practical for users who need flexible local storage configurations, such as small workstations or home servers. The dual BIOS and three-year warranty also appeal to users who value system resilience and long-term reliability.

Who is this NOT for?

Users who require wireless connectivity out of the box will find this board lacking, as it includes neither Wi-Fi nor Bluetooth, necessitating additional hardware. Enthusiasts targeting the latest storage or GPU bandwidth standards will be limited by the absence of a PCIe 5.0 x16 slot and the board's two-slot memory configuration, which leaves no room for future RAM expansion beyond the initial two modules. It is also not a good fit for users who rely on digital audio routing, given the lack of an S/PDIF Out port.

General info:

CPU socket LGA 1851
chipset B860
form factor Micro-ATX
supports Wi-Fi ✕
Has Bluetooth ✕
HDMI version HDMI 2.1
Easy to overclock ✓
has RGB lighting ✕
Easy to reset BIOS ✕
Has dual BIOS ✓
CPU sockets 1
Has integrated graphics ✕
warranty period 3 years
height 218 mm
width 244 mm
Has integrated CPU ✕

The ASRock B860M-X is built around the LGA 1851 socket and is compatible with the B860 chipset, housed in a Micro-ATX form factor measuring 244 mm × 218 mm. It supports easy overclocking and features a dual BIOS for added resilience, though it does not include a dedicated clear CMOS button. The board ships without Wi-Fi, Bluetooth, RGB lighting, or integrated graphics, and it does not carry an integrated CPU. Video output is handled through an HDMI 2.1 port, and the board is backed by a three-year warranty.

Memory:

maximum memory amount 128GB
RAM speed (max) 6400 MHz
overclocked RAM speed 9066 MHz
memory slots 2
DDR memory version 5
memory channels 2
Supports ECC memory ✕

The board accommodates DDR5 memory across two slots in a dual-channel configuration, supporting a maximum capacity of 128 GB. Standard RAM operation tops out at 6400 MHz, while overclocked profiles can push speeds up to 9066 MHz. ECC memory is not supported on this board.

Ports:

USB 3.2 Gen 2 ports (USB-A) 0
USB 3.2 Gen 1 ports (USB-A) 3
USB 3.2 Gen 2 ports (USB-C) 0
USB 3.2 Gen 1 ports (USB-C) 0
USB 2.0 ports 2
USB 3.2 Gen 2x2 ports 1
USB 4 40Gbps ports 0
USB 4 20Gbps ports 0
Thunderbolt 4 ports 0
Thunderbolt 3 ports 0
has an HDMI output ✓
DisplayPort outputs 1
RJ45 ports 1
Has USB Type-C ✓
eSATA ports 0
DVI outputs 0
has a VGA connector ✕
PS/2 ports 0

The rear I/O panel provides three USB 3.2 Gen 1 Type-A ports and two USB 2.0 ports for standard peripheral connectivity, along with one USB 3.2 Gen 2x2 Type-C port as the fastest USB output on the board. There are no USB 3.2 Gen 2 Type-A, USB 4, Thunderbolt, eSATA, or PS/2 ports present. Display output is covered by an HDMI port and one DisplayPort output, while VGA and DVI outputs are absent. Wired networking is handled through a single RJ45 port.

Connectors:

USB 3.2 Gen 1 ports (through expansion) 2
USB 2.0 ports (through expansion) 4
SATA 3 connectors 4
fan headers 5
USB 3.0 ports (through expansion) 2
M.2 sockets 2
Has TPM connector ✓
U.2 sockets 0
Has mSATA connector ✕
SATA 2 connectors 0

Internal connectivity includes two M.2 sockets and four SATA 3 connectors for storage, with no SATA 2, mSATA, or U.2 sockets available. USB expansion headers consist of two USB 3.2 Gen 1 connectors, two additional USB 3.0 connectors, and four USB 2.0 expansion ports for front-panel or bracket use. The board also features five fan headers for cooling management and includes a TPM connector for security module support.

Expansion slots:

PCIe 4.0 x16 slots 1
PCIe 5.0 x16 slots 0
PCIe 3.0 x16 slots 0
PCIe x1 slots 1
PCI slots 0
PCIe 2.0 x16 slots 0
PCIe x4 slots 1
PCIe x8 slots 0

The board offers three expansion slots in total: one PCIe 4.0 x16 slot for the primary graphics card or high-bandwidth add-in card, one PCIe x4 slot, and one PCIe x1 slot for smaller expansion cards. There are no PCIe 5.0, PCIe 3.0, PCIe 2.0, PCIe x8, or legacy PCI slots present.

Audio:

audio channels 7.1
Has S/PDIF Out port ✕
audio connectors 3

Audio support covers 7.1-channel output through three analog audio connectors on the rear panel. There is no S/PDIF Out port available on this board.

Storage:

Supports RAID 1 ✓
Supports RAID 10 (1+0) ✓
Supports RAID 5 ✓
Supports RAID 0 ✓
Supports RAID 0+1 ✕

The board supports RAID 0, 1, 5, and 10 configurations, covering a range of performance and redundancy setups. RAID 0+1 is not supported.

Final Verdict

The ASRock B860M-X is a focused Micro-ATX motherboard that delivers a coherent feature set for LGA 1851 builds where space efficiency and storage flexibility take priority. Its DDR5 support with overclocked speeds up to 9066 MHz, broad RAID compatibility, and dual BIOS implementation give it a practical edge for compact workstation or home server configurations. Users should go in aware of its limitations — no wireless connectivity, only two memory slots, and no PCIe 5.0 — but for those whose needs align with what it offers, it represents a straightforward and reliable platform choice backed by a three-year warranty.

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