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Manufacturer: ASUS Last updated: September 11, 2026
ASUS Pro WS WRX90E-SAGE SE (sTR5/AMD WRX90/EEB/32 Power-Stage VRM/7x PCIe 5.0 x16) Review
The Pro WS WRX90E-SAGE SE is ASUS's top-tier workstation board for Threadripper PRO 7000 WX-series processors, built on the WRX90 chipset to deliver eight-channel memory and seven full-length PCIe 5.0 slots for the most expansion-heavy professional workloads.
ASUS markets a 32 power-stage VRM design for this board; exact per-stage amperage is not officially disclosed, but the design is sized for the highest core-count Threadripper PRO WX-series chips running sustained heavy workloads. Eight DDR5 ECC R-DIMM slots run in eight-channel mode, supporting up to 2TB of total system memory, roughly double the capacity of the TRX50-based boards in this catalog and aimed at the most memory-intensive workstation applications. Seven PCIe 5.0 x16 slots give this board exceptional expansion headroom for multi-GPU rendering farms, storage controllers, or networking cards, and four PCIe 5.0 M.2 slots provide extensive high-speed local storage. A 10GbE controller is paired with 2.5GbE for dual wired networking; the base SE SKU does not include Wi-Fi, reflecting its positioning for wired data-center-adjacent workstation environments rather than desk-side use. Against the ASUS Pro WS TRX50-SAGE WiFi also in this catalog, the WRX90E-SAGE SE doubles the memory channel count and adds two more PCIe 5.0 x16 slots, positioning it as the step-up choice for builders who have outgrown TRX50's expansion capacity.
Power Delivery and VRM Design
ASUS markets a 32 power-stage VRM design for this board; exact per-stage amperage is not officially disclosed, but the design is sized for the highest core-count Threadripper PRO WX-series chips running sustained heavy workloads.
Memory Support
Eight DDR5 ECC R-DIMM slots run in eight-channel mode, supporting up to 2TB of total system memory, roughly double the capacity of the TRX50-based boards in this catalog and aimed at the most memory-intensive workstation applications.
Expansion and Storage
Seven PCIe 5.0 x16 slots give this board exceptional expansion headroom for multi-GPU rendering farms, storage controllers, or networking cards, and four PCIe 5.0 M.2 slots provide extensive high-speed local storage.
Connectivity
A 10GbE controller is paired with 2.5GbE for dual wired networking; the base SE SKU does not include Wi-Fi, reflecting its positioning for wired data-center-adjacent workstation environments rather than desk-side use.
Comparison to Sibling Products
Against the ASUS Pro WS TRX50-SAGE WiFi also in this catalog, the WRX90E-SAGE SE doubles the memory channel count and adds two more PCIe 5.0 x16 slots, positioning it as the step-up choice for builders who have outgrown TRX50's expansion capacity.
Specifications
Platform and CPU compatibility
| Platform | AMD |
|---|---|
| Socket | sTR5 |
| Socket | AMD Threadripper PRO 7000 WX-series |
| Chipset | WRX90 |
Platform
| Socket Type | sTR5 |
|---|---|
| Form Factor | E-ATX |
Memory
| Memory Type | DDR5 |
|---|---|
| Memory Slots | 8 |
| Max Memory | 2048 GB |
| Memory Type | 8x DDR5 ECC R-DIMM, 8-channel, up to 2TB |
Expansion & Connectivity
| M.2 Slots | 4 |
|---|---|
| PCIe 5.0 Support | Yes |
| Wi-Fi Onboard | No |
Network and audio
| Audio Codec | Realtek codec (model not specified) |
|---|
| Model | Pro WS WRX90E-SAGE SE |
|---|---|
| VRM | 32 power-stage (amperage not officially disclosed) |
| Expansion | 7x PCIe 5.0 x16 |
| Connectivity | No factory Wi-Fi (wired-focused SE SKU) |
| Networking | 10GbE + 2.5GbE |
| Special Features | 4x PCIe 5.0 M.2 |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Extreme workstation builds needing eight-channel memory and seven PCIe 5.0 x16 slots
- Data-center-adjacent deployments where wired 10GbE networking matters more than Wi-Fi
Not for
- Anyone who needs onboard Wi-Fi without adding a separate card
- Builders whose workloads fit comfortably within TRX50's quad-channel memory capacity
FAQs
What are the key specifications of the ASUS Pro WS WRX90E-SAGE SE (sTR5/AMD WRX90/EEB/32 Power-Stage VRM/7x PCIe 5.0 x16)?
The ASUS Pro WS WRX90E-SAGE SE (sTR5/AMD WRX90/EEB/32 Power-Stage VRM/7x PCIe 5.0 x16) is a motherboard from ASUS. Key specs: Socket sTR5, Chipset WRX90, VRM 32 power-stage (amperage not officially disclosed), Memory 8x DDR5 ECC R-DIMM, 8-channel, up to 2TB, Expansion 7x PCIe 5.0 x16.
Will the ASUS Pro WS WRX90E-SAGE SE (sTR5/AMD WRX90/EEB/32 Power-Stage VRM/7x PCIe 5.0 x16) work with my current setup?
The ASUS Pro WS WRX90E-SAGE SE (sTR5/AMD WRX90/EEB/32 Power-Stage VRM/7x PCIe 5.0 x16) lists Socket is sTR5. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the ASUS Pro WS WRX90E-SAGE SE (sTR5/AMD WRX90/EEB/32 Power-Stage VRM/7x PCIe 5.0 x16) best suited to?
It suits extreme workstation builds needing eight-channel memory and seven pcie 5.0 x16 slots, data-center-adjacent deployments where wired 10gbe networking matters more than wi-fi.
What are the drawbacks of the ASUS Pro WS WRX90E-SAGE SE (sTR5/AMD WRX90/EEB/32 Power-Stage VRM/7x PCIe 5.0 x16)?
It is a poor fit for anyone who needs onboard wi-fi without adding a separate card, builders whose workloads fit comfortably within trx50's quad-channel memory capacity.
Compare and read more
- ASRock TRX50 WS (sTR5/AMD TRX50/E-ATX/SlimSAS Expansion/5x PCIe 5.0 x16) vs ASUS Pro WS WRX90E-SAGE SE (sTR5/AMD WRX90/EEB/32 Power-Stage VRM/7x PCIe 5.0 x16)
- ASRock WRX90 WS EVO (sTR5/AMD WRX90/EEB/24 Power Stages/7x PCIe 5.0 x16) vs ASUS Pro WS WRX90E-SAGE SE (sTR5/AMD WRX90/EEB/32 Power-Stage VRM/7x PCIe 5.0 x16)
