Hardware Spec Index

Caldera PW-1591 Max 1000W 80 PLUS Platinum SFX Power Supply

Power Supplies · Caldera · SKU PW1591-MAX · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,871 (Power Supplies scale)
Category rank#13,060
Street price$189
Power1000 W (rated)
Performance per dollar9.90
Released2025

Specifications

BrandCaldera
ModelCaldera PW-1591 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 factorSFX-L
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
Novexa PW-6127 Max 750W 80 PLUS Bronze ATX 3.1 Power Supply1,021$59Compare
Teralux PW-9061 Prime 850W 80 PLUS Gold ATX Power Supply1,191$69Compare
Vantrel PW-4187 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply959$49Compare
Caldera PW-9558 Core 850W 80 PLUS Gold ATX 3.0 Power Supply1,562$109Compare
Teralux PW-5543 XT 1000W 80 PLUS Gold ATX Power Supply1,907$149Compare
Zephyra PW-9041 Pro 750W 80 PLUS Gold ATX 3.0 Power Supply1,319$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1591 Max 1000W 80 PLUS Platinum SFX Power Supply”, https://vextor7.com/item/91059129 (accessed 2026-10-25).