Hardware Spec Index

Caldera PW-4254 Max 650W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW4254-MAX · Released 2024 · Updated 2026-10-18

Key facts

Benchmark index1,043 (Power Supplies scale)
Category rank#8,679
Street price$59
Power650 W (rated)
Performance per dollar17.68
Released2024

Specifications

BrandCaldera
ModelCaldera PW-4254 Max
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-modular
Fan135 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
Zephyra PW-2655 XT 1300W 80 PLUS Titanium ATX Power Supply2,724$329Compare
Vantrel PW-1411 Prime 550W 80 PLUS Gold ATX 3.0 Power Supply943$39Compare
Novexa PW-7366 Plus 1300W 80 PLUS Titanium ATX Power Supply2,514$269Compare
Teralux PW-7787 Prime 1300W 80 PLUS Platinum ATX Power Supply2,275$239Compare
Zephyra PW-7012 Plus 750W 80 PLUS Gold ATX Power Supply1,572$119Compare
Zephyra PW-1154 Core 750W 80 PLUS Gold ATX 3.0 Power Supply1,163$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4254 Max 650W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/299201 (accessed 2026-10-18).