Between the HX1500i (2023) and SF1000L, the HX1500i (2023) comes out ahead in wattage and warranty, while the SF1000L wins on several specs. Overall, the HX1500i (2023) scores 90.7 and the SF1000L scores 68.3 on our Mars Score.
Which should you buy?
The HX1500i (2023) is the clear pick on raw spec strength, leading by 22.4 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the HX1500i (2023) if you care most about wattage and warranty. The biggest gaps in its favor are wattage, warranty, efficiency.
The SF1000L similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable modular, atx 3.0 / 12vhpwr, so those specs don't separate the two — focus on the differences below.
Bottom line: the HX1500i (2023) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Corsair - HX1500i (2023) wins
- ▲Wattage — 50.00% more. 1500 W vs 1000 W.
- ▲Warranty — 3.00 yrs more. 10 vs 7.
- ▲Efficiency: 80+ Platinum (vs 80+ Gold).
Why Corsair - SF1000L wins
- No decisive advantages.
Spec comparison
Spec
| Spec | Corsair - HX1500i (2023) | Corsair - SF1000L |
|---|---|---|
| Wattage | 1500 Wlead | 1000 W |
| Efficiency | 80+ Platinumlead | 80+ Gold |
| Form factor | ATX | SFX-Llead |
Features
| Spec | Corsair - HX1500i (2023) | Corsair - SF1000L |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | true | true |
| Warranty | 10 yrslead | 7 yrs |
Frequently asked
Spec-level deep dives
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