Hardware Spec Index

Caldera PW-2091 Max 1000W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2091-MAX · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,810 (Power Supplies scale)
Category rank#42,643
Street price$159
Power1000 W (rated)
Performance per dollar11.38
Released2025

Specifications

BrandCaldera
ModelCaldera PW-2091 Max
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Caldera PW-8894 Plus 1300W 80 PLUS Gold ATX 3.1 Power Supply2,481$299Compare
Novexa PW-5219 Ultra 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,909$149Compare
Novexa PW-3402 Plus 850W 80 PLUS Gold ATX Power Supply1,504$89Compare
Vantrel PW-4154 Pro 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,256$219Compare
Caldera PW-4307 Edge 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,773$159Compare
Caldera PW-2138 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,547$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2091 Max 1000W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/2116929 (accessed 2026-10-25).