Hardware Spec Index

Caldera PW-4201 Plus 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW4201-PLUS · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index843 (Power Supplies scale)
Category rank#41,024
Street price$49
Power550 W (rated)
Performance per dollar17.20
Released2020

Specifications

BrandCaldera
ModelCaldera PW-4201 Plus
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan135 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
Zephyra PW-2562 XT 550W 80 PLUS Bronze ATX Power Supply794$39Compare
Vantrel PW-3256 XT 1200W 80 PLUS Platinum ATX Power Supply2,403$289Compare
Teralux PW-6163 Plus 1200W 80 PLUS Gold ATX 3.0 Power Supply2,085$189Compare
Zephyra PW-7646 Edge 650W 80 PLUS Gold ATX 3.0 Power Supply941$39Compare
Novexa PW-6246 Prime 650W 80 PLUS Gold ATX Power Supply1,279$59Compare
Vantrel PW-9577 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,645$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4201 Plus 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/8330422 (accessed 2026-10-22).