Hardware Spec Index

Caldera PW-1791 Prime 1600W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1791-PRIME · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index2,687 (Power Supplies scale)
Category rank#4,347
Street price$299
Power1600 W (rated)
Performance per dollar8.99
Released2026

Specifications

BrandCaldera
ModelCaldera PW-1791 Prime
Rated output1,600 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin5×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-3601 Ti 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,552$319Compare
Teralux PW-2268 XT 850W 80 PLUS Gold SFX Power Supply1,496$109Compare
Caldera PW-2560 Plus 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,478$249Compare
Novexa PW-8974 Edge 850W 80 PLUS Gold ATX Power Supply1,604$129Compare
Novexa PW-3663 Ultra 1200W 80 PLUS Platinum ATX Power Supply2,340$269Compare
Novexa PW-5832 SE 1600W 80 PLUS Titanium ATX Power Supply2,978$399Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1791 Prime 1600W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/20076710 (accessed 2026-10-20).