Hardware Spec Index

Caldera PW-5504 Pro 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW5504-PRO · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index798 (Power Supplies scale)
Category rank#4,507
Street price$39
Power550 W (rated)
Performance per dollar20.46
Released2020

Specifications

BrandCaldera
ModelCaldera PW-5504 Pro
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Zephyra PW-1438 Ti 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,980$389Compare
Caldera PW-2851 Max 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,317$269Compare
Caldera PW-3253 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,968$379Compare
Novexa PW-5776 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,748$359Compare
Teralux PW-2451 Ultra 850W 80 PLUS Gold SFX Power Supply1,658$119Compare
Vantrel PW-7973 Pro 750W 80 PLUS Gold SFX Power Supply1,036$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5504 Pro 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/1748307 (accessed 2026-10-22).