Hardware Spec Index

Caldera PW-7991 Edge 750W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW7991-EDGE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,108 (Power Supplies scale)
Category rank#23,989
Street price$59
Power750 W (rated)
Performance per dollar18.78
Released2023

Specifications

BrandCaldera
ModelCaldera PW-7991 Edge
Rated output750 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-3977 XT 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,983$199Compare
Caldera PW-3224 Pro 750W 80 PLUS Bronze ATX 3.1 Power Supply1,091$49Compare
Novexa PW-7491 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply2,036$179Compare
Vantrel PW-4966 Plus 750W 80 PLUS Gold ATX 3.0 Power Supply1,405$79Compare
Vantrel PW-5883 SE 750W 80 PLUS Bronze ATX 3.1 Power Supply1,095$59Compare
Vantrel PW-8938 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,874$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7991 Edge 750W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/21785243 (accessed 2026-10-25).