Hardware Spec Index

Caldera PW-1291 SE 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1291-SE · Released 2026 · Updated 2026-10-18

Key facts

Benchmark index1,922 (Power Supplies scale)
Category rank#44,051
Street price$179
Power850 W (rated)
Performance per dollar10.74
Released2026

Specifications

BrandCaldera
ModelCaldera PW-1291 SE
Rated output850 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-pin2×
Form factorATX
ModularityFully modular
Fan120 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-7194 Prime 650W 80 PLUS Bronze ATX Power Supply894$39Compare
Novexa PW-3775 SE 850W 80 PLUS Bronze ATX 3.1 Power Supply1,231$79Compare
Zephyra PW-6861 Ultra 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,848$339Compare
Caldera PW-6132 XT 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,774$399Compare
Teralux PW-8311 XT 550W 80 PLUS Bronze ATX 3.0 Power Supply1,055$59Compare
Caldera PW-9350 Plus 750W 80 PLUS Bronze ATX Power Supply1,019$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1291 SE 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/289409 (accessed 2026-10-18).