Hardware Spec Index

Caldera PW-2054 Ultra 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW2054-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index949 (Power Supplies scale)
Category rank#29,689
Street price$39
Power550 W (rated)
Performance per dollar24.33
Released2024

Specifications

BrandCaldera
ModelCaldera PW-2054 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-3696 Ti 850W 80 PLUS Gold ATX Power Supply1,859$129Compare
Teralux PW-8584 Edge 1300W 80 PLUS Platinum ATX Power Supply2,472$269Compare
Novexa PW-9009 SE 1200W 80 PLUS Platinum ATX Power Supply2,653$299Compare
Teralux PW-6420 SE 750W 80 PLUS Gold SFX Power Supply1,184$69Compare
Zephyra PW-8107 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply1,098$49Compare
Teralux PW-3587 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,636$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2054 Ultra 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/13666643 (accessed 2026-10-22).