90-MXBLK0-A0UAYZ ASRock Micro-ATX Single AM5 2 DIMM Slots Mainboard

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Happyware Article Number:

SH0M1427-207056

Manufacturer Number:

90-MXBLK0-A0UAYZ

Brand:

ASRock

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

90-MXBLK0-A0UAYZ

Micro-ATX AM5 Motherboard platform optimised for DDR5 and PCIe Gen4 NVMe with the 90-MXBLK0-A0UAYZ

The 90-MXBLK0-A0UAYZ is an ASRock Micro-ATX motherboard built on the AMD A620 chipset to provide a cost-controlled AM5 Ryzen foundation for office, SMB desktop, and entry workstation deployments. It targets stable platform bring-up with modern I/O, prioritising PCIe Gen4 NVMe throughput and a balanced lane layout over premium chipset features.

With dual-channel DDR5 across 2 DIMM slots, the 90-MXBLK0-A0UAYZ supports up to 64GB non-ECC memory for responsive multitasking, VDI endpoints, and light content workloads where capacity and bandwidth matter more than RAS extensions. Expansion is centred on a PCIe 4.0 x16 slot for GPU or high-bandwidth accelerators, complemented by PCIe 3.0 x1 slots for NICs or capture/IO cards. Storage architecture combines 2x PCIe Gen4 M.2 (M-Key) sockets for OS and scratch arrays with 4x SATA III ports for economical bulk tiers. Integrated 1GbE and TPM support align the platform with baseline enterprise connectivity and security policies, while HDMI 2.1 and DisplayPort 1.4 enable integrated-graphics builds when supported by the CPU.

Why Choose the 90-MXBLK0-A0UAYZ?

The 90-MXBLK0-A0UAYZ delivers a practical density-to-performance ratio for compact chassis designs, enabling consistent AM5 rollouts across distributed sites where standardisation and predictable expansion matter. It scales from general-purpose desktops to edge nodes by focusing on PCIe Gen4 NVMe, GPU-capable x16 expansion, and straightforward serviceability, while avoiding management overhead associated with server-class BMC/IPMI requirements.

ASRock engineering emphasises stable firmware maturity, validated component selection, and broad ecosystem compatibility. The AMI UEFI environment with BIOS Flashback supports controlled updates and recovery workflows, aligning the platform with modern datacentre staging and lifecycle practices.

Key Applications:

SMB office desktops
Entry workstation builds
Edge compute nodes (non-server)
Lab test benches
NVMe-focused general-purpose systems

At Happyware - Server Hardware you benefit from non-binding offers tailored to your rollout quantities for the 90-MXBLK0-A0UAYZ, and you can extend the warranty up to 6 years to protect long-lived endpoint and edge deployments.

Technical details of 90-MXBLK0-A0UAYZ

CPU Socket:

AM5

Onboard Memory:

RAID Support:

Yes

CPU Manufacturer:

AMD

CPU Supported Type:

Ryzen

Form Factor:

Micro-ATX

Chipset:

AMD A620

RAM Maximum Capacity:

64GB

Max RAM Frequency :

7200MHz

RAM Slots:

2 DIMM DDR5

RAM Channels:

Dual-Channel

PCIe Slots:

1 PCIe 4.0 x16 2 PCIe 3.0 x1

M.2 Slots:

1 PCIe Gen 4 M.2 2230 E-Key 2 PCIe Gen 4 M.2 2280/2260 M-Key

Network Ports:

1 RJ45 1 Gbps

ECC Support:

Non-ECC

Onboard Network:

Ethernet

Onboard CPU:

RAID Support:

Yes

Onboard Graphic:

Video Output:

1x HDMI 2.1 1x DisplayPort 1.4

USB Ports:

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

Other Ports:

1x SPI - header 1x HDMI 1x audio line-in - mini-jack 2x USB 3.2 Gen 1 - header 3x USB 3.2 Gen 1 2x aerial 1x audio - header 1x audio line-out - mini-jack 1x USB-C 3.2 Gen 1 1x DisplayPort 1x speaker - header 2x USB 2.0 Header 9-Pin (480Mb/s, 4x USB-A) 2x USB 2.0 1x Speaker Header 1x microphone - mini-jack 4x USB 2.0 - header 1x TPM Header 1x USB 3.0 Header 20-Pin (5Gb/s, 2x USB-A) 1x LAN (Gigabit Ethernet)

Trusted Platform Module (TPM):

Yes

BIOS:

AMI UEFI

Wi-Fi Support:

None

Onboard Audio Chipset:

Realtek ALC897

Embedded:

Card Reader:

How long is the Warranty and how you can get technical support for 90-MXBLK0-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.