Hardware Spec Index

Caldera PW-9403 Core 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW9403-CORE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,655 (Power Supplies scale)
Category rank#25,815
Street price$149
Power850 W (rated)
Performance per dollar11.11
Released2020

Specifications

BrandCaldera
ModelCaldera PW-9403 Core
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-7017 Core 1200W 80 PLUS Gold ATX Power Supply2,661$319Compare
Caldera PW-6432 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,799$129Compare
Teralux PW-4107 Max 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,695$389Compare
Zephyra PW-5957 Core 750W 80 PLUS Gold ATX 3.0 Power Supply1,665$109Compare
Teralux PW-4215 Prime 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,174$259Compare
Teralux PW-7310 Pro 850W 80 PLUS Gold SFX Power Supply1,857$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9403 Core 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/60038 (accessed 2026-10-19).