ASUS
ASUS Pro WS WRX90E-SAGE SE AMD WRX90 sTR5 Workstation Motherboard with ECC DDR5
- SKU:
- 90MB1FW0-M0EAY0
- UPC:
- 4711387441145
- MPN:
- 90MB1FW0-M0EAY0
Description
ASUS Pro WS WRX90E-SAGE SE Workstation Motherboard – AMD WRX90, sTR5, ECC DDR5, 7x PCIe 5.0 x16
The ASUS Pro WS WRX90E-SAGE SE is a high-end AMD WRX90 workstation motherboard built for demanding professional systems based on AMD Ryzen Threadripper PRO 9000 and 7000 WX-Series processors. Using the sTR5 socket and EEB form factor, this board is designed for advanced workstation builds that need exceptional CPU performance, massive expansion capability, fast storage, and professional-grade networking.
With eight DDR5 ECC Registered DIMM slots, seven PCIe 5.0 x16 physical slots, four onboard PCIe 5.0 M.2 slots, dual 10Gb Ethernet, and USB4 40Gbps, the Pro WS WRX90E-SAGE SE is ideal for users building a workstation for AI, rendering, VFX, CAD, simulation, virtualisation, scientific computing, and other data-intensive workloads.
Key Features of the ASUS Pro WS WRX90E-SAGE SE
- AMD Socket sTR5 for Ryzen Threadripper PRO 9000 and 7000 WX-Series processors
- AMD WRX90 chipset
- 8 x DDR5 ECC Registered DIMM slots
- 8-channel memory architecture
- Support for up to 2TB ECC R-DIMM DDR5 memory (1DPC)
- 7 x PCIe 5.0 x16 physical slots
- 4 x onboard PCIe 5.0 M.2 slots
- 2 x SlimSAS ports
- 4 x SATA 6Gb/s ports
- Dual 10Gb Ethernet plus dedicated 1Gb management LAN
- 2 x rear USB4 40Gbps Type-C ports
- PCIe Q-Release Slim
Designed for Professional Workstations
The Pro WS WRX90E-SAGE SE is built for users who need more than a standard desktop motherboard can offer. ASUS positions it as a workstation platform tailored to content creation, software development, machine learning, and other cutting-edge professional applications. That makes it especially relevant for studios, engineers, researchers, and creators building systems where stability, expansion, and sustained performance matter.
Ideal for AI, Rendering, VFX and Simulation
If you are building a workstation for GPU compute, local AI workloads, 3D rendering, virtual production, complex code compilation, or high-bandwidth storage tasks, this board offers the platform depth needed for serious professional use. The combination of Threadripper PRO CPU support, ECC DDR5 memory, and extensive PCIe 5.0 expansion makes it a strong fit for advanced workstation deployments.
Massive PCIe 5.0 Expansion for Multi-GPU and Add-In Cards
One of the standout features of this motherboard is its expansion capacity. ASUS lists six PCIe 5.0 x16 slots plus one additional PCIe 5.0 x16 physical slot running in x8 mode, giving the board excellent flexibility for graphics cards, accelerator cards, storage cards, networking, and other professional add-in devices.
Built for Complex Workstation Configurations
This makes the board especially attractive for users searching for a multi-GPU workstation motherboard, a PCIe 5.0 expansion motherboard, or a platform for highly customised professional systems.
ECC DDR5 Memory and Threadripper PRO Platform
The board includes 8 DDR5 ECC Registered DIMM slots with 8-channel memory architecture. ASUS highlights support for up to 2TB of ECC R-DIMM DDR5 memory in supported 1DPC configurations, giving this platform the memory capacity needed for large datasets, virtual machines, simulation, and high-end production workflows.
Professional Memory Reliability
ECC Registered memory support is particularly important in workstation environments where uptime, data integrity, and long-duration tasks are critical. That makes this board a much better fit for professional users than typical consumer desktop motherboards.
High-Speed Storage and Connectivity
The Pro WS WRX90E-SAGE SE supports four onboard PCIe 5.0 M.2 slots, two SlimSAS ports, and four SATA 6Gb/s ports, giving builders plenty of flexibility for fast NVMe storage arrays and larger capacity storage setups. ASUS also includes two rear USB4 40Gbps Type-C ports, plus a front USB 20Gbps Type-C connector for modern peripheral connectivity.
Dual 10GbE and Dedicated Management LAN
For networking, ASUS specifies Intel dual 10Gb Ethernet together with a separate Realtek 1Gb Ethernet port dedicated to AST2600 management. That combination is especially valuable for workstation and studio environments where fast file transfers and remote management both matter.
Server-Grade Management and Workstation Features
This board includes business and workstation-focused features such as BMC-related controls, a dedicated management LAN, support for ASUS Control Center Express, and board-level features tied to the onboard management design. Third-party product listings also describe this as offering server-grade IPMI remote management and onboard BMC, which aligns with its workstation and IT-management positioning.
Built for 24/7 Professional Use
ASUS highlights business-focused design elements including 24/7 reliability, protective features, and extensive thermal solutions such as active VRM cooling, M.2 heatsinks, steel backplate support, and ASUS workstation-focused Q-design features.
Technical Specifications
- Brand: ASUS
- Model: Pro WS WRX90E-SAGE SE
- CPU socket: AMD sTR5
- Chipset: AMD WRX90
- Processor support: AMD Ryzen Threadripper PRO 9000 & 7000 WX-Series
- Memory slots: 8 x DDR5 ECC Registered DIMM
- Memory architecture: 8-channel
- Maximum memory: up to 2TB ECC R-DIMM DDR5 (supported configuration dependent)
- Expansion slots: 6 x PCIe 5.0 x16 + 1 x PCIe 5.0 x16 (x8 mode)
- M.2: 4 x PCIe 5.0 M.2
- SlimSAS: 2 ports
- SATA: 4 x SATA 6Gb/s
- Networking: 1 x Intel dual 10GbE, 1 x Realtek 1GbE dedicated management LAN
- Rear USB: 2 x USB4 40Gbps Type-C, 6 x USB 10Gbps Type-A, 1 x USB 2.0
- Audio: Realtek ALC1220P
- Form factor: EEB, 12 x 13 inch (30.5 x 33 cm)
Why Buy the ASUS Pro WS WRX90E-SAGE SE?
This motherboard is ideal for buyers searching for a Threadripper Pro workstation motherboard, WRX90 motherboard with ECC DDR5, 7-slot PCIe 5.0 workstation board, or a professional motherboard for AI and rendering. It combines extreme expansion potential, workstation-class memory support, fast networking, and modern storage connectivity in one serious platform.
Buying Advice
Before ordering, make sure your build uses a compatible AMD Ryzen Threadripper PRO 9000 or 7000 WX-Series CPU, ECC Registered DDR5 memory, and a case that supports the EEB 12 x 13 inch motherboard size. This is a specialist workstation board, so CPU, memory, cooling, PSU, chassis, and add-in card compatibility should all be checked carefully before purchase.
Specification
Main Specification
| Product Description | ASUS PRO WS WRX90E-SAGE SE - motherboard - SSI EEB AST2600 - Socket sTR5 - AMD WRX90 |
|---|---|
| Product Type | Motherboard - SSI EEB |
| Processor | AST2600 |
| Chipset Type | AMD WRX90 |
| Processor Socket | 1 x Socket sTR5 |
| Compatible Processors | (supports Ryzen Threadripper PRO 7000WX Series/ 7000 Series) |
| RAM Supported | 8 DIMM slots - DDR5, ECC, registered |
| Storage Ports | 4 x SATA-600 (RAID), 4 x M.2, 2 x SlimSAS |
| USB / FireWire Ports | 2 x USB4 + 6 x USB 3.2 Gen 2 + 1 x USB 2.0 + (1 x USB-C 3.2 Gen 2x2 + 4 x USB 3.2 Gen 2 + 2 x USB 2.0 via headers) |
| Audio | HD Audio (6-channel) |
| LAN | Gigabit Ethernet |
General
| Product Type | Motherboard - SSI EEB |
|---|---|
| Processor | AST2600 |
| Chipset Type | AMD WRX90 |
| Processor Socket | Socket sTR5 |
| Max Processors Qty | 1 |
| Compatible Processors | (supports Ryzen Threadripper PRO 7000WX Series/ 7000 Series) |
Supported RAM
| Technology | DDR5 |
|---|---|
| Supported RAM Integrity Check | ECC |
| Registered or Buffered | Registered |
| Features | Quad channel memory architecture |
Audio
| Type | HD Audio (6-channel) |
|---|---|
| Audio Codec | Realtek ALC1220P |
| Compliant Standards | High Definition Audio |
LAN
| Network Interfaces | Gigabit Ethernet |
|---|
Expansion / Connectivity
| Expansion Slots | 1 x CPU 8 x DIMM 288-pin 6 x PCIe 5.0 x16 1 x PCIe 5.0 x16 (x8 mode) 2 x M.2 socket (2242/2260/2280/22110 M.2 Key M slot) 2 x M.2 socket (2242/2260/2280 M.2 Key M slot) |
|---|---|
| Storage Interfaces | SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 / RAID 5 PCIe 5.0 -connectors: 4 x M.2 PCIe 4.0 -connectors: 2 x SlimSAS |
| Interfaces | 1 x VGA 2 x Mini DisplayPort 6 x USB 3.2 Gen 2 2 x USB4 1 x USB 2.0 2 x LAN (10Gigabit Ethernet) 1 x microphone - mini-jack 1 x audio line-out - mini-jack 1 x LAN (Gigabit Ethernet) |
| Internal Interfaces | 4 x USB 2.0 - header 2 x USB 3.2 Gen 1 - header 1 x USB-C 3.2 Gen 2x2 - header 1 x audio - header 1 x SPI - header |
| Power Connectors | 24-pin main power connector, 2 x 8-pin ATX12V connectors, 2 x 8-pin PCI Express power connector, 2 x 8-pin PCI Express to CPU power connector |
Features
| BIOS Features | UEFI BIOS |
|---|---|
| Sleep / Wake Up | Wake on LAN (WOL), wake on PME |
| Hardware Features | ASUS Q-Design, ESD Guards, Q-DIMM, ASUS EZ DIY, Q-LED, Q-Slot, CrashFree BIOS 3, ASUS DIGI+ VRM, Q-Code, Clear CMOS Button, ASUS Stainless Steel Back I/O, overcurrent protection, LANGuard, overvoltage protection, ASUS SafeSlot, ASUS 5X Protection III, ASUS SafeDIMM, M.2 heatsink, pre-mounted I/O shield, ASUS ProCool II, M.2 Q-Latch, PCIe Slot Q-Release, BIOS FlashBack button, BIOS FlashBack LED, VRM heatsink with fan, steel backplate, M.2 heatsink backplate, Q-Connector, 32+3+3+3 Phase Power Design |
Miscellaneous
| Included Accessories | Thermistor cable, Q-Connector, M.2 Q-Latch, M.2 Key E screw package, AMI licence sticker, 4 x M.2 rubber package |
|---|---|
| Cables Included | 4 x Serial ATA cable 2x 8-pin PCIe to single 8-pin CPU convertor 1 x 24-pin power cable (Y-cable) 2 x Mini DisplayPort cable |
| Software Included | ASUS CPU-Z, ASUS Control Center Express, Armoury Crate, ASUS Fan Xpert 4, Norton 360 Deluxe (60 days trial), Adobe Creative Cloud (free trial), WinRAR (40 days trial) |
| Width | 30.5 cm |
| Depth | 33 cm |
Return
FAQ: Frequently Asked Questions
ASUS Pro WS WRX90E-SAGE SE FAQ
The ASUS Pro WS WRX90E-SAGE SE is a high-end AMD WRX90 workstation motherboard built for professional creators, AI developers, engineers, 3D artists, VFX teams, scientific computing users, and businesses building advanced multi-GPU or high-core-count workstation systems.
1. What CPUs are compatible with the ASUS Pro WS WRX90E-SAGE SE?
This motherboard is designed for AMD Ryzen Threadripper PRO 7000 WX-Series and AMD Ryzen Threadripper PRO 9000 WX-Series processors on the sTR5 platform. It is a workstation-class board for Threadripper PRO builds, not a mainstream consumer AM5 motherboard.
2. Does the ASUS Pro WS WRX90E-SAGE SE support ECC memory?
Yes. This motherboard supports DDR5 ECC Registered memory (ECC RDIMM) and provides 8 DIMM slots with 8-channel memory architecture. It is intended for workstation and professional use where stability, memory bandwidth, and error correction matter.
3. Does this motherboard use standard DDR5 memory?
No. This board is built for ECC Registered DDR5 rather than ordinary desktop DDR5 UDIMM memory. Before buying memory, it is important to check that the RAM is the correct ECC RDIMM type and is suitable for the Threadripper PRO platform.
4. Is the ASUS Pro WS WRX90E-SAGE SE good for AI, rendering, simulation, and workstation tasks?
Yes. This board is especially well suited to AI workstations, GPU compute, 3D rendering, CAD, scientific computing, virtualization, and other heavy professional workloads. Its key strengths include seven PCIe 5.0 x16 physical slots, workstation networking, ECC memory support, and enterprise-style management features.
5. How many PCIe slots does the ASUS Pro WS WRX90E-SAGE SE have?
The board has 7 PCIe 5.0 x16 physical slots. ASUS specifies that six run at PCIe 5.0 x16 and one runs at PCIe 5.0 x16 physical size in x8 mode. This makes it a strong choice for users planning multi-GPU, high-speed storage, capture cards, networking cards, or other expansion-heavy workstation builds.
6. Can I use multiple GPUs with this motherboard?
Yes. The ASUS Pro WS WRX90E-SAGE SE is designed for multi-GPU workstation builds. It is commonly considered for AI, rendering, and compute systems that need several high-bandwidth PCIe slots. Final compatibility can depend on GPU width, airflow, risers, PSU capacity, BIOS settings, and chassis space.
7. Does this board support NVMe SSDs and large storage setups?
Yes. The motherboard supports 4 onboard M.2 PCIe 5.0 x4 slots, 2 SlimSAS ports for NVMe devices, and 4 SATA 6Gb/s ports. This gives builders flexible options for fast boot drives, scratch disks, project storage, and expandable workstation storage arrays.
8. Does the ASUS Pro WS WRX90E-SAGE SE have 10Gb Ethernet?
Yes. It includes dual 10Gb Ethernet for high-speed network connectivity. It also has a dedicated 1Gb management LAN linked to the onboard AST2600 BMC, which is useful for remote management in advanced workstation or business environments.
9. Does this motherboard support remote management or IPMI?
Yes. One of the major reasons professionals choose this board is its server-style remote management capability. The onboard BMC and dedicated management LAN help support remote monitoring and administration, which can be useful for studios, labs, and enterprise workstation deployments.
10. Does the ASUS Pro WS WRX90E-SAGE SE have USB4?
Yes. The rear I/O includes 2 USB4 40Gbps Type-C ports, along with multiple high-speed USB Type-A ports. This is useful for fast external storage, docking, professional peripherals, and modern workstation workflows.
11. What size case do I need for the ASUS Pro WS WRX90E-SAGE SE?
This is an EEB form factor motherboard measuring 12 x 13 inches (30.5 x 33 cm). You should choose a case that explicitly supports EEB motherboards or workstation/server-sized boards. Many standard ATX cases will not fit it properly.
12. Is the ASUS Pro WS WRX90E-SAGE SE suitable for a normal gaming PC?
This motherboard can run powerful GPUs, but it is not aimed at ordinary gaming builds. It is a premium workstation motherboard intended for users who specifically need Threadripper PRO CPUs, ECC memory, multiple PCIe devices, remote management, and professional-grade expansion.
13. Why is first boot sometimes slow on this motherboard?
ASUS notes that system boot may take longer with Threadripper PRO 9000 series CPUs because of memory calibration. This is normal behaviour on this platform, especially during early setup or after hardware changes, and it can take longer than a typical consumer PC.
14. Should I update the BIOS before building my system?
For high-end workstation platforms, keeping the BIOS current is a good idea, especially for compatibility, stability, and new CPU support. This board includes BIOS FlashBack, which can be very useful during setup or troubleshooting.
15. Is SP6 the same as sTR5 on this motherboard?
This is a common point of confusion. Buyers often notice the socket marking and ask whether the board is correct for Threadripper PRO. In practical terms, this motherboard is the correct ASUS WRX90 board for supported Threadripper PRO 7000 and 9000 WX-Series CPUs, even though community discussions often mention the physical socket naming versus platform naming.
16. What kind of power supply should I use with this motherboard?
You should use a high-quality PSU with enough EPS and PCIe power connectors for your planned build. This is especially important if you are using multiple GPUs, many PCIe cards, or power-hungry Threadripper PRO CPUs. For workstation builds, buyers often choose a higher-wattage PSU than they would for a normal desktop PC.
17. Is the ASUS Pro WS WRX90E-SAGE SE good for virtualization and professional lab systems?
Yes. It is a strong choice for virtual machines, home lab workstation builds, enterprise development rigs, and professional compute environments because of its CPU support, ECC memory platform, extensive PCIe expansion, remote management features, and high-speed networking.
18. Who should buy the ASUS Pro WS WRX90E-SAGE SE?
This motherboard is best for buyers building a serious AMD Threadripper PRO workstation for professional workloads. It makes sense for users who need many PCIe lanes, ECC Registered DDR5 memory, multi-GPU support, fast networking, and advanced remote management in one platform.