Hardware Spec Index

Caldera PW-7444 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW7444-PRIME · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index818 (Power Supplies scale)
Category rank#48,606
Street price$39
Power550 W (rated)
Performance per dollar20.97
Released2024

Specifications

BrandCaldera
ModelCaldera PW-7444 Prime
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-4220 XT 550W 80 PLUS Bronze ATX Power Supply969$49Compare
Zephyra PW-1925 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,794$149Compare
Caldera PW-2677 Plus 1000W 80 PLUS Platinum SFX Power Supply2,010$209Compare
Zephyra PW-4233 XT 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,656$309Compare
Caldera PW-5484 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,416$89Compare
Caldera PW-9369 Ti 1000W 80 PLUS Gold ATX 3.0 Power Supply1,770$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7444 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/19785434 (accessed 2026-10-26).