Hardware Spec Index

Caldera PW-6600 Ultra 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW6600-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,336 (Power Supplies scale)
Category rank#8,130
Street price$89
Power650 W (rated)
Performance per dollar15.01
Released2020

Specifications

BrandCaldera
ModelCaldera PW-6600 Ultra
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 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
Teralux PW-7534 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,410$239Compare
Vantrel PW-4782 Pro 650W 80 PLUS Gold SFX Power Supply1,062$59Compare
Vantrel PW-4181 Pro 550W 80 PLUS Gold ATX Power Supply705$39Compare
Caldera PW-7587 Pro 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,265$189Compare
Teralux PW-4551 Prime 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,908$329Compare
Vantrel PW-1007 Core 1300W 80 PLUS Gold ATX 3.1 Power Supply2,541$309Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6600 Ultra 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/94885466 (accessed 2026-10-26).