Hardware Spec Index

Caldera PW-1655 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW1655-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index2,052 (Power Supplies scale)
Category rank#40,247
Street price$219
Power1000 W (rated)
Performance per dollar9.37
Released2022

Specifications

BrandCaldera
ModelCaldera PW-1655 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
Fan120 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
Teralux PW-9299 Ti 750W 80 PLUS Gold ATX 3.1 Power Supply959$49Compare
Zephyra PW-8802 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,717$129Compare
Zephyra PW-7333 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,670$129Compare
Caldera PW-8769 XT 850W 80 PLUS Gold SFX Power Supply2,002$149Compare
Caldera PW-4466 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,418$79Compare
Zephyra PW-5369 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,893$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1655 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/8042275 (accessed 2026-10-21).