Hardware Spec Index

Caldera PW-8420 Ti 850W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW8420-TI · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,437 (Power Supplies scale)
Category rank#29,049
Street price$79
Power850 W (rated)
Performance per dollar18.19
Released2021

Specifications

BrandCaldera
ModelCaldera PW-8420 Ti
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorSFX-L
ModularityNon-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-7909 Prime 750W 80 PLUS Bronze ATX Power Supply1,366$79Compare
Vantrel PW-3264 Ti 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,451$259Compare
Teralux PW-8692 XT 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,752$339Compare
Caldera PW-5410 Max 1000W 80 PLUS Gold ATX Power Supply1,865$139Compare
Zephyra PW-1322 Plus 750W 80 PLUS Bronze ATX 3.1 Power Supply906$49Compare
Zephyra PW-7374 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,371$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8420 Ti 850W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/69027857 (accessed 2026-10-26).