Hardware Spec Index

Caldera PW-6541 Prime 1000W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW6541-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index2,259 (Power Supplies scale)
Category rank#33,204
Street price$249
Power1000 W (rated)
Performance per dollar9.07
Released2022

Specifications

BrandCaldera
ModelCaldera PW-6541 Prime
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
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-4314 Ti 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,911$359Compare
Caldera PW-5749 Max 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,274$219Compare
Caldera PW-6792 SE 1000W 80 PLUS Titanium SFX Power Supply2,334$239Compare
Novexa PW-4591 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,310$69Compare
Vantrel PW-4906 Edge 750W 80 PLUS Bronze ATX Power Supply983$49Compare
Zephyra PW-5485 Edge 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,705$329Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6541 Prime 1000W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/85648602 (accessed 2026-10-19).