Hardware Spec Index

Caldera PW-7144 Pro 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW7144-PRO · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,011 (Power Supplies scale)
Category rank#21,886
Street price$59
Power550 W (rated)
Performance per dollar17.14
Released2020

Specifications

BrandCaldera
ModelCaldera PW-7144 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-6902 Prime 550W 80 PLUS Bronze SFX Power Supply755$39Compare
Teralux PW-2683 Edge 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,977$159Compare
Vantrel PW-1507 Prime 850W 80 PLUS Gold ATX Power Supply1,254$69Compare
Vantrel PW-5401 Prime 850W 80 PLUS Gold SFX Power Supply1,661$129Compare
Zephyra PW-4376 Plus 1300W 80 PLUS Gold ATX 3.1 Power Supply2,461$239Compare
Teralux PW-3319 Pro 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,111$199Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7144 Pro 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/20202079 (accessed 2026-10-22).