Hardware Spec Index

Caldera PW-7774 XT 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW7774-XT · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index743 (Power Supplies scale)
Category rank#41,489
Street price$39
Power550 W (rated)
Performance per dollar19.05
Released2021

Specifications

BrandCaldera
ModelCaldera PW-7774 XT
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
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
Zephyra PW-1190 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,931$149Compare
Caldera PW-6126 Ti 1200W 80 PLUS Gold ATX 3.0 Power Supply2,615$309Compare
Vantrel PW-1053 SE 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,980$359Compare
Vantrel PW-4518 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply1,641$119Compare
Caldera PW-5726 Edge 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,961$389Compare
Teralux PW-7540 XT 850W 80 PLUS Gold ATX Power Supply1,644$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7774 XT 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/3238765 (accessed 2026-10-23).