90-MXB9N0-A0UAYZ ASRock Micro-ATX Single AM4 2 DIMM Slots Mainboard
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Product line:B450M-HDV
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90-MXB9N0-A0UAYZ
Micro-ATX AMD AM4 workstation motherboard architecture with the 90-MXB9N0-A0UAYZ
The 90-MXB9N0-A0UAYZ is a compact ASRock Micro-ATX motherboard built on the AMD B450 chipset for Socket AM4 Ryzen and Athlon platforms, enabling cost-controlled workstation, lab, and edge deployments with predictable I/O and lifecycle stability. It supports CPUs up to 105W TDP and pairs the AM4 compute stack with a dual-channel DDR4 memory design using 2 DIMM slots, with ECC/non-ECC UDIMM capability dependent on CPU and firmware alignment.
For expansion and accelerator attach, the 90-MXB9N0-A0UAYZ provides a PCIe 3.0 x16 slot for GPUs or high-bandwidth adapters and a PCIe 2.0 x1 slot for low-profile connectivity such as additional NICs or capture/fieldbus cards. Storage is optimized for mixed media: an M.2 M-Key slot supports PCIe Gen3 x4 NVMe or SATA, complemented by 4x SATA III ports with RAID support, enabling tiered OS, scratch, and bulk capacity layouts. Integrated 1GbE via Realtek RTL8111H, USB 3.2 Gen1 connectivity, and APU-dependent display outputs support both headless nodes and basic console access.
Why Choose the 90-MXB9N0-A0UAYZ?
The 90-MXB9N0-A0UAYZ prioritizes density-to-performance for SMB and engineering teams that need an AM4 platform with essential PCIe and storage flexibility in a Micro-ATX footprint. Its balanced I/O map and ECC-capable UDIMM pathway (CPU-dependent) make it suitable for scalable rollouts where serviceability, predictable component interoperability, and controlled BOM cost are key.
ASRock designs boards with pragmatic power delivery, validated firmware behavior, and connector layouts suited to standard chassis and PSU ecosystems, aligning with modern data centre and edge room practices such as TPM header integration and UEFI-based provisioning.
Key Applications:
- Entry workstation desktops
- Lab and CI build nodes
- Edge gateways and appliances
- Light content creation
- SMB productivity platforms
At Happyware - Server Hardware you benefit from non-binding offers tailored to your rollout and configuration requirements for the 90-MXB9N0-A0UAYZ, with 24/7 customer service to support procurement coordination and technical ordering questions.
Technical details of 90-MXB9N0-A0UAYZ
How long is the Warranty and how you can get technical support for 90-MXB9N0-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. |
| Support Portal: | https://support.happyware.com |
|---|
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