ASUS ROG Zenith II Extreme Alpha TRX40 Gaming AMD 3rd Gen Ryzen Threadripper sTRX4 EATX Motherboard with 16 Infineon Power Stages, PCIe 4.0, Wi-Fi 6
Bottom line: The ASUS ROG Zenith II Extreme Alpha TRX40 Gaming AMD 3rd Gen Ryzen: 16 Infineon TDA21490 teamed power stages for Threadripper overclocking headroom; main trade-off: sTRX4 only, so no upgrade path to newer AMD socket platforms.
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Pros & Cons
Pros
- ✓ 16 Infineon TDA21490 teamed power stages for Threadripper overclocking headroom
- ✓ Five M.2 slots plus eight SATA ports for large multi-drive workstation builds
- ✓ Onboard Aquantia 10 Gbps Ethernet, no add-in NIC needed
- ✓ Wi-Fi 6 (802.11ax) with MU-MIMO built in
- ✓ Active-cooling VRM heatsink, backplate and PCIe-zone M.2 aluminum heatsink
Cons
- ✗ sTRX4 only, so no upgrade path to newer AMD socket platforms
- ✗ EATX footprint rules out most mid-tower and compact cases
- ✗ Color OLED and dual RGB plus dual addressable headers add cost you may not use
- ✗ 4733MHz memory OC needs hand-tuned kits, not a guaranteed XMP click
Manufacturer description
Built to dominate the battlefield for high-end gamers and content creators. The ROG Zenith II Extreme Alpha featuring 16 Infineon TDA21490 teamed up power stages to releases the full might of the AMD 3rd Gen Ryzen Threadripper processor while keeping thermals under control and support PCIe Gen4 speed, paired with 5x M. 2 slots, Wi-Fi 6 (802. 11ax), 10 Gbps Ethernet, 5x M. 2, 8x SATA, USB 3. 2 Gen 2x2 and Aura Sync RGB.
SpecPicks Verdict
SpecPicks scored ASUS ROG Zenith II Extreme Alpha TRX40 Gaming AMD 3rd Gen Ryzen… using a rating × review-volume × price-fit model applied to published specs and reviews across the motherboards category. Compare with similarly-priced alternatives in the motherboards category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 1. Ready for AMD 3rd Gen Ryzen Threadripper Processors: PCIe 4. 0 ready, 4733Mhz memory OC performance, with up to five M. 2 drives and USB3. 2 Gen2x2 support
- 2. Robust power delivery: Optimized power solution with 16 Infineon TDA21490 teamed up power stages, ProCool II power connectors, microfine alloy chokes and 10K capacitors
- 3. Comprehensive thermal design: Active-cooling VRM heatsink, PCIe-zone M. 2 aluminum heatsink, backplate, Fan Extension Card II and water-cooling zone
- 4. High-performance networking: Onboard Aquantia 10 Gbps Ethernet, Wi-Fi 6 (802. 11ax) with MU-MIMO support, and GameFirst V technology
- 5. Unmatched personalization: Color OLED display and ASUS-exclusive Aura Sync RGB lighting, including two additional RGB headers and two addressable headers
Full Specifications
| Brand | ASUS |
|---|---|
| USB 2.0 | 4 |
| Platform | Windows 10 |
| CPU Socket | Socket TRX4 |
| Model Name | ROG ZENITH II EXTREME ALPHA |
| Chipset Type | AMD TRX40 |
| Connectivity | WiFi |
| Model Number | ROG ZENITH II EXTREME ALPHA |
| Item Type Name | ASUS ROG Zenith II Extreme Alpha TRX40 Gaming AMD 3rd Gen Ryzen Threadripper sTRX4 EATX Motherboard with 16 Infineon Power Stages, PCIe 4.0, Wi-Fi 6 (802.11ax), USB 3.2 Gen 2x2 and Aura Sync RGB |
| Mfr Part Number | ROG ZENITH II EXTREME ALPHA |
| Number of Ports | 22 |
| Total Usb Ports | 2 |
| Processor Socket | Socket TRX4 |
| Total PCIe Ports | 5 |
| Total SATA Ports | 8 |
| Compatible Devices | Personal Computer |
| Memory Clock Speed | 2400 MHz |
| Warranty Description | 3 Years |
| Compatible Processors | AMD 3rd Generation Ryzen |
| RAM Memory Technology | DDR4 |
Ready to buy?
ASUS ROG Zenith II Extreme Alpha TRX40 Gaming AMD 3rd Gen Ryzen Threadripper sTRX4 EATX Motherboard with 16 Infineon Power Stages, PCIe 4.0, Wi-Fi 6 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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