Hardware Spec Index

Caldera PW-6458 Ultra 750W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW6458-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,353 (Power Supplies scale)
Category rank#23,454
Street price$69
Power750 W (rated)
Performance per dollar19.61
Released2020

Specifications

BrandCaldera
ModelCaldera PW-6458 Ultra
Rated output750 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityNon-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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 Edge 550W 80 PLUS Bronze ATX Power Supply803$49Compare
Zephyra PW-8633 Edge 1300W 80 PLUS Platinum ATX Power Supply2,220$249Compare
Novexa PW-3643 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply1,717$119Compare
Teralux PW-7187 Ti 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,262$239Compare
Vantrel PW-1143 SE 750W 80 PLUS Gold ATX 3.0 Power Supply972$39Compare
Vantrel PW-4512 Ultra 550W 80 PLUS Bronze ATX Power Supply782$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6458 Ultra 750W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/2085265 (accessed 2026-10-25).