Hardware Spec Index

Caldera PW-5890 Max 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW5890-MAX · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index1,081 (Power Supplies scale)
Category rank#35,739
Street price$59
Power550 W (rated)
Performance per dollar18.32
Released2019

Specifications

BrandCaldera
ModelCaldera PW-5890 Max
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularityFully modular
Fan120 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
Teralux PW-7544 Ultra 1200W 80 PLUS Titanium ATX Power Supply2,561$359Compare
Teralux PW-5787 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply1,793$149Compare
Vantrel PW-2357 Core 850W 80 PLUS Gold ATX Power Supply1,629$119Compare
Caldera PW-5718 SE 1600W 80 PLUS Titanium ATX Power Supply2,789$329Compare
Caldera PW-9611 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,646$119Compare
Vantrel PW-3438 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,645$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5890 Max 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/3099729 (accessed 2026-10-24).