90MB1J20-M0EAY0 ASUS Micro-ATX Single AM5 4 DIMM Slots Mainboard

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Product line:

ASUS Prime

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€193.00

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Happyware Article Number:

SH5M9521-391128

Manufacturer Number:

90MB1J20-M0EAY0

Brand:

ASUS

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

90MB1J20-M0EAY0

Micro-ATX AM5 Workstation Motherboard featuring DDR5 and NVMe scalability with the 90MB1J20-M0EAY0

The 90MB1J20-M0EAY0 is a Micro-ATX ASUS AM5 platform built around the AMD B840 chipset for Ryzen-based workstation, lab, and compact edge systems where balanced I/O matters more than excess footprint. By combining a modern CPU socket with integrated display outputs (HDMI 2.1 and 2x DisplayPort 1.4), the 90MB1J20-M0EAY0 enables flexible deployment from headless compute to developer desktops without additional graphics requirements.

Architecturally, the 90MB1J20-M0EAY0 focuses on memory density and predictable expansion paths. It supports DDR5 dual-channel memory across 4 DIMM slots up to 192GB, with ECC and non-ECC compatibility depending on CPU and platform conditions, making it suitable for virtualization labs and reliability-sensitive SMB compute. PCIe 4.0 is prioritized where it impacts throughput most: a PCIe 4.0 x16 slot for accelerators or high-bandwidth adapters and 2x PCIe 3.0 x1 slots for incremental expansion. Storage design aligns with mixed NVMe and SATA tiers via 3x M.2 (2x PCIe 4.0 x4, 1x PCIe 3.0 x4) plus 4x SATA III with RAID support for resilient local datasets.

Why Choose the 90MB1J20-M0EAY0?

The 90MB1J20-M0EAY0 delivers a strong density-to-performance profile for Micro-ATX enclosures by pairing DDR5 capacity, multi-M.2 NVMe layout, and 2.5GbE with integrated Wi‑Fi 6E, reducing add-in card dependency while preserving upgrade headroom. USB BIOS Flashback and AMI UEFI BIOS streamline recovery and iterative platform validation across fleets.

ASUS engineering emphasizes stable power delivery, firmware maturity, and standards-aligned I/O. The 90MB1J20-M0EAY0 integrates modern USB Type-C connectivity (rear and internal header) to support current peripherals and service workflows common in enterprise desktop and edge deployments.

Key Applications:

SMB edge compute nodes
Developer workstations
Virtualization and lab hosts
NVMe-focused local storage builds
Compact 2.5GbE appliances

At Happyware - Server Hardware you benefit from non-binding offers tailored to your build plan for the 90MB1J20-M0EAY0, helping you standardize configurations across projects while keeping procurement efficient.

Technical details of 90MB1J20-M0EAY0

CPU Socket: AM5

RAID Support: Yes

CPU Manufacturer: AMD

CPU Supported Type: Ryzen

Form Factor: Micro-ATX

Chipset: AMD B840

RAM Maximum Capacity: 192GB

Max RAM Frequency : 3800MHz

RAM Slots: 4 DIMM DDR5

RAM Channels: Dual-Channel

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

M.2 Slots: 1 PCIe 3.0 x4 M.2 2280 M-Key, 1 PCIe 4.0 x4 M.2 2280, M.2 2260, M.2 2242 M-Key, 1 PCIe 4.0 x4 M.2 2280 M-Key, 1 WiFi+BT-Modul M.2 2230 E-Key

Network Ports: 1 RJ45 2.5 Gbps

ECC Support: ECC, Non-ECC

Onboard Network: Ethernet

RAID Support: Yes

Onboard Graphic: Yes

Video Output: 1x HDMI 2.1, 2x DisplayPort 1.4

USB Ports: 1x USB 3.0 Type-C, 1x USB 3.2 Gen 1 Type-C, 2x USB 3.2 Gen 1, 2x USB 3.2 Gen 2, 4x USB 2.0

BIOS: AMI UEFI

Wi-Fi Support: Wi-Fi 6E

Bluetooth integrated: 5.3

Embedded: No

How long is the Warranty and how you can get technical support for 90MB1J20-M0EAY0

Warranty:	36 months (part)
On site service:	yes
RMA Url:	https://www.asus.com/support/warranty-status-inquiry
Description:	In the event of an RMA, the item must be returned first. ASUS typically offers a replacement or repair service depending on the product and warranty terms. On-site service may be available for specific products such as Barbone/Full System. Carry-in.