Hardware Spec Index

Caldera PW-7491 Pro 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW7491-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index2,152 (Power Supplies scale)
Category rank#5,946
Street price$239
Power1000 W (rated)
Performance per dollar9.00
Released2019

Specifications

BrandCaldera
ModelCaldera PW-7491 Pro
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Zephyra PW-1566 Core 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,453$219Compare
Zephyra PW-4584 Max 650W 80 PLUS Bronze ATX 3.1 Power Supply1,292$79Compare
Zephyra PW-6691 Core 750W 80 PLUS Gold ATX 3.0 Power Supply1,598$109Compare
Teralux PW-1012 Max 850W 80 PLUS Gold ATX Power Supply1,845$129Compare
Zephyra PW-5309 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply2,136$209Compare
Teralux PW-4312 Max 1000W 80 PLUS Titanium ATX Power Supply2,353$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7491 Pro 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/8935057 (accessed 2026-10-22).