Hardware Spec Index

Caldera PW-7603 Prime 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW7603-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index1,472 (Power Supplies scale)
Category rank#19,592
Street price$89
Power850 W (rated)
Performance per dollar16.54
Released2019

Specifications

BrandCaldera
ModelCaldera PW-7603 Prime
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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-1141 Ultra 850W 80 PLUS Gold ATX Power Supply1,869$139Compare
Vantrel PW-6848 XT 850W 80 PLUS Gold ATX Power Supply1,845$159Compare
Vantrel PW-1387 SE 850W 80 PLUS Gold SFX Power Supply1,399$89Compare
Caldera PW-9047 SE 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,471$309Compare
Teralux PW-2278 SE 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,829$329Compare
Caldera PW-1780 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,454$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7603 Prime 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/7752344 (accessed 2026-10-26).