ASRock
ASRock Steel Legend SL-1000G 1000W 80 Plus Gold & Cybenetics Platinum Full Modular Power Supply ATX3.1 & PCIe5.1 Ready with Dual Color 12V-2x6 Cable 10 Years Warranty
Bottom line: The ASRock Steel Legend SL-1000G 1000W 80 Plus Gold & Cybenetics Platinum: 1000W ATX 3.1 and PCIe 5.1 ready for RTX 50-series 12V-2x6 transients; main trade-off: fan curve only switches modes via a physical toggle, no software control.
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Pros & Cons
Pros
- ✓ 1000W ATX 3.1 and PCIe 5.1 ready for RTX 50-series 12V-2x6 transients
- ✓ 10-year warranty, far past the 5-7 years typical at this wattage
- ✓ Cybenetics Platinum efficiency, a tier above its 80 PLUS Gold rating
- ✓ 100% Japanese capacitors throughout the primary and secondary side
- ✓ 135mm fluid-dynamic-bearing fan with iCool zero-RPM idle mode
Cons
- ✗ Fan curve only switches modes via a physical toggle, no software control
- ✗ 5V BOOST is a niche feature most single-GPU builds will never trigger
- ✗ Dual-color 12V-2x6 cable is one native connector, not two
- ✗ ASRock is newer to power supplies than Seasonic or Corsair
SpecPicks Verdict
SpecPicks scored ASRock Steel Legend SL-1000G 1000W 80 Plus Gold & Cybenetics… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. ASRock's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. 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 power supplies 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
- System Compatibility Note: Standard ATX form factor (150mm x 150mm x 86mm) fits most mid-tower and full-tower cases. Please verify chassis PSU clearance and power requirements before purchase.
- Dedicated Support: Contact us directly through Amazon for any product questions or assistance you may require.
- Premium Efficiency & Quiet Operation: Certified 80 PLUS Gold and Cybenetics Platinum, achieving up to 90% efficiency. Cybenetics Lambda A acoustic certification ensures excellent noise control for ultra-quiet operation.
- ATX 3.1 & PCIe 5.1 Compliant: Fully compliant with the latest power delivery standards, supporting high power excursions for stable operation with modern GPUs and motherboards.
- Native 12V-2x6 Connector: Features a native 12V-2x6 (12+4 pin) connector with dual‑color design for easy insertion status confirmation. Backwards compatible with 12VHPWR for broad GPU compatibility.
- 1000W Continuous Power: Delivers 1000W of continuous power with 83.3A on the +12V rail, capable of handling high-end CPUs and GPUs.
Full Specifications
| Brand | ASRock |
|---|---|
| Weight | 1000g |
| Wattage | 1000 watts |
| Model Name | SL-1000G |
| Form Factor | ATX |
| Connector Type | ATX, SATA |
| Cooling Method | Air |
| Output Wattage | 1000 watts |
| Dedicated Support | Contact us directly through Amazon for any product questions or assistance you may require. |
| Compatible Devices | Personal Computer |
| 1000W Continuous Power | Delivers 1000W of continuous power with 83.3A on the +12V rail, capable of handling high-end CPUs and GPUs. |
| Item dimensions L x W x H | 5.91 x 5.91 x 3.39 inches |
| Built-in 5V BOOST Function | Compensates for voltage drops, boosting the +5V rail to maintain optimal performance during transient spikes. |
| ATX 3.1 & PCIe 5.1 Compliant | Fully compliant with the latest power delivery standards, supporting high power excursions for stable operation with modern GPUs and motherboards. |
Ready to buy?
ASRock Steel Legend SL-1000G 1000W 80 Plus Gold & Cybenetics Platinum Full Modular Power Supply ATX3.1 & PCIe5.1 Ready with Dual Color 12V-2x6 Cable 10 Years Warranty 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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