One Slots Power Supply: Compatible Units List 2026

Upgrade your single-slot GPU rig with the best one slots power supply options in 2026. From efficient 650W SFX to modular beasts, this list covers reliable PSUs for PCIe power delivery without excess PCIe slots.

Focus on 80+ Gold/Platinum efficiency for modern gaming and AI workloads.

Corsair SF750 Platinum

Compact SFX for SFF builds powering one high-end card.
  • 750W fully modular
  • ATX 3.0 compliant
  • 13-year warranty

EVGA SuperNOVA 650 GM

Gold-rated with ECO mode for silent operation.
  • 650W
  • Japanese caps
  • Compact design

Seasonic Focus GX-750

Micro-ATX favorite with hybrid fan control.
  • 750W
  • 10-year warranty
  • PCIe 5.0 cables

be quiet! Pure Power 12 650W

Quietest in class for single-slot setups.
  • 80+ Gold
  • Semi-modular
  • Full protection

Cooler Master V850 SFX Gold

Overkill power for future-proofing.
  • 850W
  • Platinum fan
  • RGB optional

Thermaltake Toughpower GF3 750W

ATX 3.1 with PCIe 5.1 support.
  • Full modular
  • Fluid dynamic bearing

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