Hardware Spec Index

Caldera PW-5289 Pro 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW5289-PRO · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index774 (Power Supplies scale)
Category rank#22,539
Street price$39
Power550 W (rated)
Performance per dollar19.85
Released2025

Specifications

BrandCaldera
ModelCaldera PW-5289 Pro
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
Fan120 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
Zephyra PW-1909 Plus 750W 80 PLUS Bronze ATX Power Supply1,331$79Compare
Teralux PW-1936 SE 1000W 80 PLUS Platinum ATX Power Supply1,960$189Compare
Caldera PW-2143 Max 1300W 80 PLUS Titanium ATX Power Supply2,748$349Compare
Novexa PW-5716 SE 750W 80 PLUS Gold ATX 3.1 Power Supply1,242$69Compare
Vantrel PW-3571 Max 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,315$269Compare
Vantrel PW-3164 XT 750W 80 PLUS Gold ATX 3.1 Power Supply1,006$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5289 Pro 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/8345848 (accessed 2026-10-20).