Hardware Spec Index

Caldera PW-1820 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW1820-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,633 (Power Supplies scale)
Category rank#10,314
Street price$139
Power850 W (rated)
Performance per dollar11.75
Released2022

Specifications

BrandCaldera
ModelCaldera PW-1820 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 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-2536 XT 1000W 80 PLUS Gold SFX Power Supply2,032$159Compare
Caldera PW-5160 Ti 1600W 80 PLUS Titanium ATX Power Supply2,821$359Compare
Zephyra PW-2120 Ti 650W 80 PLUS Gold SFX Power Supply729$39Compare
Zephyra PW-9735 Ti 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,819$389Compare
Novexa PW-1950 Prime 1300W 80 PLUS Gold ATX 3.1 Power Supply2,407$299Compare
Teralux PW-2980 Pro 650W 80 PLUS Bronze ATX Power Supply991$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1820 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/93311259 (accessed 2026-10-19).