Hardware Spec Index

Caldera PW-8427 Ti 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW8427-TI · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index852 (Power Supplies scale)
Category rank#8,271
Street price$39
Power550 W (rated)
Performance per dollar21.85
Released2022

Specifications

BrandCaldera
ModelCaldera PW-8427 Ti
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-6237 Edge 750W 80 PLUS Gold ATX 3.1 Power Supply1,637$119Compare
Teralux PW-9753 SE 1300W 80 PLUS Titanium ATX Power Supply2,969$399Compare
Teralux PW-7191 Max 1300W 80 PLUS Gold ATX 3.1 Power Supply2,465$319Compare
Novexa PW-9022 Core 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,618$319Compare
Vantrel PW-8940 Core 550W 80 PLUS Gold ATX 3.1 Power Supply870$39Compare
Caldera PW-7095 Ti 550W 80 PLUS Bronze ATX 3.0 Power Supply862$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8427 Ti 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/60005286 (accessed 2026-10-20).