Hardware Spec Index

Caldera PW-4657 Prime 750W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW4657-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index927 (Power Supplies scale)
Category rank#16,445
Street price$49
Power750 W (rated)
Performance per dollar18.92
Released2022

Specifications

BrandCaldera
ModelCaldera PW-4657 Prime
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
Fan135 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-1862 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,966$159Compare
Caldera PW-5455 Plus 1000W 80 PLUS Gold ATX Power Supply1,673$119Compare
Caldera PW-4310 Ultra 1300W 80 PLUS Gold ATX 3.1 Power Supply2,612$289Compare
Teralux PW-4371 Edge 650W 80 PLUS Bronze SFX Power Supply906$39Compare
Caldera PW-2169 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply1,064$49Compare
Caldera PW-8633 SE 750W 80 PLUS Gold ATX 3.1 Power Supply1,038$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4657 Prime 750W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/4632689 (accessed 2026-10-21).