Hardware Spec Index

Caldera PW-6821 XT 750W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW6821-XT · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index1,250 (Power Supplies scale)
Category rank#5,667
Street price$69
Power750 W (rated)
Performance per dollar18.12
Released2024

Specifications

BrandCaldera
ModelCaldera PW-6821 XT
Rated output750 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-pin2×
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-1472 XT 750W 80 PLUS Gold ATX Power Supply1,337$69Compare
Zephyra PW-6349 Ti 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,728$319Compare
Novexa PW-3483 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,932$159Compare
Zephyra PW-1847 Ultra 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,407$299Compare
Novexa PW-8007 Plus 1300W 80 PLUS Platinum ATX Power Supply2,307$229Compare
Teralux PW-6737 Ultra 850W 80 PLUS Platinum ATX 3.1 Power Supply1,979$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6821 XT 750W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/2037401 (accessed 2026-10-24).