Hardware Spec Index

Caldera PW-6561 Ultra 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW6561-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,620 (Power Supplies scale)
Category rank#35,316
Street price$129
Power1000 W (rated)
Performance per dollar12.56
Released2021

Specifications

BrandCaldera
ModelCaldera PW-6561 Ultra
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Caldera PW-6270 Plus 850W 80 PLUS Platinum ATX Power Supply1,878$169Compare
Caldera PW-5731 Edge 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,334$259Compare
Vantrel PW-5273 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply926$49Compare
Zephyra PW-3145 SE 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,854$299Compare
Novexa PW-7934 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,211$69Compare
Novexa PW-2924 Edge 1000W 80 PLUS Gold ATX 3.0 Power Supply2,485$249Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6561 Ultra 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/89930447 (accessed 2026-10-25).