Hardware Spec Index

Caldera PW-6533 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW6533-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index2,035 (Power Supplies scale)
Category rank#38,228
Street price$179
Power1000 W (rated)
Performance per dollar11.37
Released2023

Specifications

BrandCaldera
ModelCaldera PW-6533 Ultra
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-6979 Prime 650W 80 PLUS Bronze ATX 3.1 Power Supply1,380$89Compare
Teralux PW-5411 Max 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,775$359Compare
Zephyra PW-2699 Prime 1600W 80 PLUS Titanium ATX Power Supply2,743$339Compare
Caldera PW-4236 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply1,749$159Compare
Novexa PW-8404 Ultra 1200W 80 PLUS Gold ATX Power Supply2,318$279Compare
Zephyra PW-6621 Pro 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,618$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6533 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/537385 (accessed 2026-10-19).