90-MXBRQ-A0UAYZ ASRock Micro-ATX Single V1 (LGA 1851) 4 DIMM Slots Mainboard

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Happyware Article Number:

SH8M4726-414928

Manufacturer Number:

90-MXBRQ-A0UAYZ

Brand:

ASRock

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

90-MXBRQ-A0UAYZ

Micro-ATX Intel B860 Motherboard Platform Optimised for DDR5 and NVMe Expansion with the 90-MXBRQ-A0UAYZ

The 90-MXBRQ-A0UAYZ is an ASRock Micro-ATX motherboard built on the Intel B860 chipset for the LGA1851 Intel Core Ultra platform, enabling compact systems that still maintain strong I/O and storage scalability. It is designed for Core Ultra iGPU-centric productivity builds and small-form-factor workstations where balanced memory bandwidth, NVMe throughput, and dependable connectivity are essential.

Architecturally, the 90-MXBRQ-A0UAYZ supports dual-channel DDR5 across 4 DIMM slots up to 256GB, providing capacity headroom for virtualization labs, content workflows, and dense office endpoints. For expansion, it integrates PCIe Gen5 and Gen4 M.2 options to separate OS, scratch, and application datasets while retaining 4 x SATA 6Gb/s for cost-efficient bulk storage and RAID alignment. Integrated 2.5GbE plus Wi-Fi 6E/Bluetooth 5.3 supports flexible deployment in SMB and edge sites, and USB-C 3.2 Gen2x2 helps sustain high-speed external capture, backup, and peripheral connectivity.

Why Choose the 90-MXBRQ-A0UAYZ?

With the 90-MXBRQ-A0UAYZ, IT teams get a density-efficient Micro-ATX foundation that maps well to standardized Core Ultra rollouts, delivering a practical performance-per-liter profile without sacrificing enterprise-grade I/O. The platform’s NVMe-first storage topology, modern networking, and firmware tooling support repeatable builds, predictable scaling, and straightforward field maintenance.

ASRock engineering emphasizes electrical stability, validated component selection, and firmware maturity to align with modern data centre and edge standards, including UEFI management features such as BIOS Flashback/Instant Flash and optional TPM readiness for security-focused deployments.

Key Applications:

General desktop and office productivity systems
Compact workstation builds with DDR5 and NVMe
SMB edge compute nodes with 2.5GbE and Wi-Fi 6E
Core Ultra iGPU-based digital signage and kiosk endpoints

At Happyware - Server Hardware you benefit from non-binding offers tailored to your rollout requirements for the 90-MXBRQ-A0UAYZ, and you can extend the warranty up to 6 years to secure long-lived platform standardization.

Technical details of 90-MXBRQ-A0UAYZ

CPU Socket:

V1 (LGA 1851)

Onboard Memory:

RAID Support:

Yes

CPU Manufacturer:

Intel

CPU Supported Type:

Core Ultra

Form Factor:

Micro-ATX

Chipset:

Intel B860

RAM Maximum Capacity:

256GB

Max RAM Frequency :

4333MHz

RAM Slots:

4 DIMM DDR5

RAM Channels:

Dual-Channel

Network Ports:

1 RJ45 2.5 Gbps

Onboard Network:

Ethernet

Onboard CPU:

RAID Support:

Yes

Onboard Graphic:

Yes

Video Output:

1x DisplayPort 1x HDMI

USB Ports:

4x USB 3.2 Gen 1 Header 1x USB-C 3.2 Gen2x2 3x USB 3.2 Gen 1 Type-A 4x USB 2.0 header 1x USB-C 3.2 Gen 1 Header 2x USB 2.0 Type-A

Trusted Platform Module (TPM):

Optional

BIOS:

AMI UEFI

Wi-Fi Support:

Wi-Fi 6E

Bluetooth integrated:

5.3

Onboard Audio Chipset:

Realtek ALC897

How long is the Warranty and how you can get technical support for 90-MXBRQ-A0UAYZ

Warranty:	12 months (part)
RMA Url:	https://www.asrock.com/support/?cat=RMA
Description:	Items must be returned first for RMA processing. No advanced replacements.