Hardware Spec Index

Caldera PW-5455 XT 1000W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW5455-XT · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index2,118 (Power Supplies scale)
Category rank#21,175
Street price$179
Power1000 W (rated)
Performance per dollar11.83
Released2025

Specifications

BrandCaldera
ModelCaldera PW-5455 XT
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (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
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-1969 XT 1300W 80 PLUS Titanium ATX Power Supply2,818$349Compare
Novexa PW-1806 Pro 1000W 80 PLUS Platinum SFX Power Supply1,835$179Compare
Novexa PW-8822 XT 550W 80 PLUS Gold ATX 3.1 Power Supply815$39Compare
Novexa PW-7858 Prime 550W 80 PLUS Bronze SFX Power Supply1,078$49Compare
Teralux PW-2845 Ultra 850W 80 PLUS Gold SFX Power Supply1,566$109Compare
Vantrel PW-9089 Prime 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,245$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5455 XT 1000W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/21824961 (accessed 2026-10-25).