90-MXBCZ0-A0UAYZ ASRock ATX Single AM4 4 DIMM Slots Mainboard

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Product line:

ASRock Pro

See other ASRock products

€131.00

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Happyware Article Number:

SH3M5793-473545

Manufacturer Number:

90-MXBCZ0-A0UAYZ

Brand:

ASRock

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

90-MXBCZ0-A0UAYZ

ATX AMD B550 Workstation Motherboard enabling PCIe Gen4 expansion with the 90-MXBCZ0-A0UAYZ

The 90-MXBCZ0-A0UAYZ is an ASRock ATX motherboard built on the AMD B550 chipset for single-socket AM4 Ryzen platforms, targeting dependable workstation and edge compute deployments. It provides a balanced CPU-to-I/O design where PCIe Gen4 lanes are allocated to the primary x16 slot and a dedicated M.2 socket, aligning the platform for single-GPU acceleration and high-throughput NVMe storage without oversubscribing chipset bandwidth.

For memory architecture, the 90-MXBCZ0-A0UAYZ implements dual-channel DDR4 across 4 DIMM slots up to 128GB, with ECC UDIMM support to improve data integrity when the installed CPU and memory configuration enable ECC mode. Expansion is engineered around a PCIe 4.0 x16 slot for full-height, full-length GPUs or high-speed adapters, supplemented by additional PCIe 3.0 slots for storage, capture, or network cards. Storage topology combines 2x M.2 (Gen4 x4 and Gen3 x4/SATA) with 6x SATA 6Gb/s, enabling tiered designs that separate OS, scratch, and bulk capacity for mixed productivity and service workloads.

Why Choose the 90-MXBCZ0-A0UAYZ?

The 90-MXBCZ0-A0UAYZ delivers a practical density-to-performance ratio for SMB and departmental IT by pairing Ryzen compute with PCIe Gen4 where it matters most, while retaining straightforward ATX serviceability. It scales cleanly from general-purpose desktops to light virtualization nodes, using flexible storage and add-in capacity to adapt to changing I/O requirements without a platform refresh.

ASRock focuses on stable power delivery, component validation, and firmware maturity to support predictable uptime and compatibility within modern data centre and edge standards, including RAID capability and TPM header integration for measured boot and policy-driven security.

Key Applications:

Engineering and CAD workstations
Single-GPU content creation
SMB virtualization and lab hosts
Edge services and gateway nodes
NVMe-accelerated productivity systems

At Happyware - Server Hardware you benefit from non-binding offers tailored to your rollout requirements for the 90-MXBCZ0-A0UAYZ, and from an extended warranty of up to 6 years to standardize lifecycle planning across deployed systems.

Technical details of 90-MXBCZ0-A0UAYZ

CPU Socket: AM4

Onboard Memory: No

RAID Support: Yes

CPU Manufacturer: AMD

CPU Supported Type: Ryzen

Form Factor: ATX

Chipset: AMD B550

RAM Maximum Capacity: 128GB

Max RAM Frequency : 4733MHz

RAM Slots: 4 DIMM DDR4

RAM Channels: Dual-Channel

PCIe Slots: 1 PCIe 3.0 x16, 1 PCIe 4.0 x16, 2 PCIe 3.0 x1

M.2 Slots: 1 PCIe 3.0/SATA M.2 2280, M.2 2260, M.2 2242 M-Key, 1 PCIe 4.0 M.2 22110, M.2 2280, M.2 2260 M-Key, 1 Unspecified M.2 2230 E-Key

Network Ports: 1 RJ45 1 Gbps

ECC Support: ECC, Non-ECC

Onboard Network: Ethernet

Performance Class: High-Performance

Onboard CPU: No

RAID Support: Yes

Onboard Graphic: Yes

Video Output: 1x HDMI, 1x VGA

USB Ports: 1x USB 3.2 Gen 2 ports, 1x USB Type-C, 2x USB 3.2 Gen 1 Header, 4x USB 2.0 header, 4x USB 3.2 Gen 1 ports

Other Ports: 1x M.2 Key E, 1x PS/2 Combo, 1x RJ-45 LAN Port, 1x Serial Port, 1x Speaker-Header, 1x TPM Header, 3x 3.5mm Klinke (Realtek ALC1200), 6x SATA-600

Trusted Platform Module (TPM): Optional

BIOS: AMI UEFI

Wi-Fi Support: None

Onboard Audio Chipset: Realtek ALC1200

Embedded: No

GPIO Pins: 0

Card Reader: No

How long is the Warranty and how you can get technical support for 90-MXBCZ0-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.