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ASUS Pro WS WRX90E-SAGE SE motherboard
ASUS

ASUS Pro WS WRX90E-SAGE SE

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Manufacturer: ASUS Last updated: September 11, 2026

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ASUS Pro WS WRX90E-SAGE SE 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 Alternatives

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.

Our verdict

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

Specifications

What these specs mean

Identity

Model NumberPro WS WRX90E-SAGE SE
Form FactorE-ATX

Platform and CPU compatibility

PlatformAMD
SocketsTR5
ChipsetWRX90
Newest CPU Family SupportedThreadripper PRO 7000
Oldest CPU Family SupportedThreadripper PRO 7000
CPU Overclocking SupportedNo

Memory

Memory TypeDDR5
Memory Slots8
Memory Channels8
ECC Memory SupportRegistered ECC

Expansion & Connectivity

M.2 Slots4
PCIe 5.0 SupportYes
Wi-Fi OnboardNo

M.2 storage

M.2 Slots Onboard4
M.2 PCIe 5.0 Slots4

Other storage

SATA Ports4
SlimSAS or MCIO Ports2

PCIe expansion

PCIe x16 Slots7
Primary Graphics Slot GenPCIe 5.0

Rear USB

Rear USB4 or TB Ports2
Rear USB 20Gbps Ports0
Rear USB 10Gbps Ports6
Rear USB 2.0 Ports1

Internal headers

Front USB-C Header Speed20Gbps

Power delivery

Vcore Power Stages32

Network and audio

Ethernet Port Count2
Wi-Fi StandardNone
Audio CodecRealtek ALC1220P

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)?

Key specs for the ASUS Pro WS WRX90E-SAGE SE: Chipset WRX90, Socket sTR5, Socket Type sTR5, Form Factor E-ATX, VRM 32+3+3+3 power stages (amperage not officially disclosed), Memory 8x DDR5 ECC R-DIMM, 8-channel.

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?

Best suited to: 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)?

Not the best 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.

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