Hardware Spec Index

Caldera PW-3993 XT 650W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW3993-XT · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,084 (Power Supplies scale)
Category rank#29,431
Street price$59
Power650 W (rated)
Performance per dollar18.37
Released2024

Specifications

BrandCaldera
ModelCaldera PW-3993 XT
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-3099 Ti 850W 80 PLUS Bronze ATX Power Supply1,384$79Compare
Caldera PW-6653 SE 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,962$399Compare
Zephyra PW-5277 Plus 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,980$359Compare
Vantrel PW-4888 Pro 750W 80 PLUS Bronze SFX Power Supply1,183$59Compare
Caldera PW-5071 Ti 1200W 80 PLUS Gold ATX 3.1 Power Supply2,134$229Compare
Novexa PW-7622 Max 650W 80 PLUS Bronze SFX Power Supply738$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3993 XT 650W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/812944 (accessed 2026-10-19).