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ASUS Pro WS B850M-ACE SE AM5 AMD B850 Micro-ATX Workstation Motherboard DDR5 ECC 10GbE IPMI

Brand:
ASUS
90MB1MN0-M0EAY0
€430.36 €478.18
€512.13 inc. VAT
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Product Code
04:575183
EAN Code
4711636258753
Manufacturer
ASUS

Quick Specs

Socket & Chipset
AMD AM5 + B850
Memory
4x DDR5 ECC/non-ECC up to 256GB
Expansion & Storage
PCIe 5.0 + 2x M.2 + MCIO
Networking & Management
10GbE + 2.5GbE + IPMI LAN
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ASUS Pro WS B850M-ACE SE AM5 Micro-ATX Workstation Motherboard

A compact AMD AM5 workstation motherboard with BMC/IPMI management, DDR5 ECC support, PCIe 5.0 expansion, high-speed storage, 10GbE and 2.5GbE networking.
AMD AM5AMD B850DDR5 ECC support10GbE + IPMI

The ASUS Pro WS B850M-ACE SE is a micro-ATX AMD AM5 workstation motherboard for compact professional systems, remotely managed business PCs, AI-ready workstations and storage-focused builds. It supports AMD Ryzen 9000, 8000 and 7000 Series desktop processors plus AMD EPYC 4005 Series processors, with DDR5 ECC and non-ECC unbuffered memory, PCIe 5.0 expansion, dual M.2, MCIO, U.2, 10GbE, 2.5GbE and dedicated BMC/IPMI management connectivity.

Compatibility Note: Please confirm CPU support, BIOS version, DDR5 ECC or non-ECC memory compatibility, micro-ATX case fit, PSU connectors, MCIO/U.2 cabling, M.2 lane sharing, IPMI network requirements and expansion card clearance before purchase. Some PCIe and storage features vary by CPU type.
Best For
✓ Compact AM5 workstations
✓ Remotely managed business systems
✓ ECC-capable Ryzen or EPYC builds
✓ Storage and AI-ready deployments

Key Features

 
AM5 Workstation Flexibility
AMD AM5 support covers Ryzen 9000, 8000 and 7000 desktop processors plus AMD EPYC 4005 Series processors, giving builders flexibility for professional and business-focused AM5 systems.
 
ECC DDR5 and Compact Design
Four DDR5 DIMM slots support up to 256GB with ECC and non-ECC unbuffered memory options, while the micro-ATX form factor fits smaller workstation and infrastructure builds.
 
PCIe 5.0 Storage and Expansion
A PCIe 5.0 x16 slot, dual PCIe 5.0 M.2 support with compatible CPUs, MCIO NVMe connectivity, U.2 support and SATA ports provide flexible options for GPUs, SSDs and storage-focused deployments.
 
Professional Networking and IPMI
Realtek 10GbE, Intel 2.5GbE and a dedicated 1Gb BMC/IPMI management LAN make the board suitable for high-throughput workstations and remote IT administration.

Technical Specifications

Brand ASUS
Model Pro WS B850M-ACE SE
Manufacturer SKU 90MB1MN0-M0EAY0
EAN 4711636258753
Product Type Workstation motherboard
Form Factor Micro-ATX, 9.6 inch × 9.6 inch, 24.4 cm × 24.4 cm
CPU Socket AMD AM5
Chipset AMD B850
CPU Support AMD Ryzen 9000, 8000 and 7000 Series desktop processors plus AMD EPYC 4005 Series processors, CPU support list and BIOS version should be checked
Memory 4 x DDR5 DIMM slots, up to 256GB, ECC and non-ECC unbuffered memory, dual-channel architecture, AMD EXPO support
Memory Speed Guidance Up to 8000+ MT/s OC with Ryzen 9000, 8000 and 7000 Series processors; up to 5600 MT/s with EPYC 4005 Series processors, CPU and memory dependent
Expansion Slots 1 x PCIe 5.0 x16 slot with Ryzen 9000/7000 or EPYC 4005 processors, 1 x PCIe 4.0 x16 slot from chipset supporting x4 mode, specifications vary by CPU
Storage 2 x M.2 slots, 1 x MCIO connector, 1 x U.2 connector and 4 x SATA 6Gb/s ports, bandwidth and availability vary by CPU and lane sharing
M.2 and MCIO Support With Ryzen 9000/7000 or EPYC 4005 processors, M.2_1, M.2_2 and MCIO can support PCIe 5.0 x4; MCIO shares bandwidth with M.2_2
U.2 Support U.2 connector supports PCIe 3.0 x4 via SFF-8643 adapter cable, cable purchased separately, U.2 shares bandwidth with SATA ports
RAID Support AMD RAIDXpert2 Technology, RAID support varies by CPU type
Ethernet 1 x Realtek 10Gb Ethernet, 1 x Intel 2.5Gb Ethernet, 1 x Realtek 1Gb dedicated BMC/IPMI management LAN
Graphics Outputs DisplayPort 1.4 up to 8K@30Hz, HDMI 2.1 up to 4K@60Hz, USB-C 10Gbps with DisplayPort video output and VGA from AST2600
Rear USB 5 x USB 10Gbps ports including 3 x Type-A and 2 x Type-C, 2 x USB 2.0 Type-A ports
Front USB Headers 1 x USB 20Gbps Type-C connector, 1 x USB 5Gbps header for 2 ports, 2 x USB 2.0 headers for 4 ports, USB-C power delivery output up to 5V/3A
Audio Realtek 7.1 Surround Sound High Definition Audio codec, up to 24-bit/192kHz playback, audio codec suspended when EPYC 4005 processor is installed
Management ASUS Control Center Express support, BMC/IPMI features, dedicated BMC LAN, BMC switch, BMC LAN fixed IP switch, WOL by PME and PXE
Internal Headers CPU fan, CPU optional fan, 3 x chassis fan, W_PUMP+, Thunderbolt USB4 header, TPM header, COM header, thermal sensor, front panel, audio and BMC-related headers
Power Connectors 24-pin main power connector, 8-pin +12V CPU power connector and 4-pin +12V CPU power connector
BIOS 512Mb Flash ROM, UEFI AMI BIOS text-based
Operating System Support Windows 11, Windows 10 64-bit with AMD Ryzen desktop processors
Listed Accessories 2 x SATA 6Gb/s cables, I/O shield, Q-connector, M.2 rubber package, ACC Express activation key card and quick start guide

Frequently Asked Questions

Which processors does the ASUS Pro WS B850M-ACE SE support?
It supports AMD Ryzen 9000, 8000 and 7000 Series desktop processors plus AMD EPYC 4005 Series processors on the AM5 socket. Always check the ASUS CPU support list and BIOS requirements before ordering.
Does it support ECC memory?
Yes. The board supports ECC and non-ECC unbuffered DDR5 memory. Actual ECC operation and supported speeds depend on the installed CPU and memory modules.
What is the main advantage of this SE workstation board?
Its key advantage is the combination of compact micro-ATX size, AM5 workstation flexibility, BMC/IPMI remote management, 10GbE networking and PCIe 5.0 storage support.
Singular Expert Insight
Choose the ASUS Pro WS B850M-ACE SE if you need a compact AM5 workstation board with ECC memory support, remote BMC/IPMI management, 10GbE networking and flexible PCIe 5.0 storage. If you mainly need a gaming motherboard with Wi-Fi, RGB styling and simpler consumer setup, a ROG Strix or TUF Gaming AM5 board will usually be a better match.

Buyer’s Guide

Buy it if
You need a micro-ATX AM5 workstation motherboard with Ryzen or EPYC 4005 support, ECC DDR5, BMC/IPMI management, 10GbE, 2.5GbE and PCIe 5.0 storage options.
Skip it if
You need built-in Wi-Fi, gaming-first RGB styling, an ATX board with more slots, a lower-cost consumer AM5 board or a simpler setup without IPMI and BMC features.
Also consider
Consider an ASUS TUF or ROG AM5 motherboard for gaming-focused builds, or a larger Pro WS board if you need more physical expansion slots.

Features - ASUS - 90MB1MN0-M0EAY0

CPU Socket
  • Socket AM5
More Details
Product Code
04:575183
EAN Code
4711636258753
Manufacturer
ASUS
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