Hardware Spec Index

Caldera PW-4439 Core 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW4439-CORE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index1,042 (Power Supplies scale)
Category rank#39,300
Street price$49
Power550 W (rated)
Performance per dollar21.27
Released2022

Specifications

BrandCaldera
ModelCaldera PW-4439 Core
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan135 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
Teralux PW-7401 Core 550W 80 PLUS Gold SFX Power Supply927$49Compare
Zephyra PW-3160 Ti 850W 80 PLUS Gold ATX Power Supply1,701$119Compare
Zephyra PW-3281 Prime 650W 80 PLUS Bronze ATX Power Supply856$49Compare
Teralux PW-1579 Max 750W 80 PLUS Gold ATX Power Supply1,417$79Compare
Vantrel PW-4366 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,530$109Compare
Teralux PW-9659 Plus 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,666$329Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4439 Core 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/25001861 (accessed 2026-10-24).