Hardware Spec Index

Caldera PW-6546 SE 650W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW6546-SE · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index816 (Power Supplies scale)
Category rank#1,822
Street price$39
Power650 W (rated)
Performance per dollar20.92
Released2022

Specifications

BrandCaldera
ModelCaldera PW-6546 SE
Rated output650 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-pin1×
Form factorATX
ModularityNon-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
Caldera PW-7928 Ti 550W 80 PLUS Gold ATX Power Supply682$39Compare
Zephyra PW-1566 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,453$99Compare
Zephyra PW-4493 XT 650W 80 PLUS Gold SFX Power Supply1,355$79Compare
Teralux PW-8382 Ultra 1300W 80 PLUS Titanium ATX Power Supply2,324$289Compare
Vantrel PW-4585 Prime 550W 80 PLUS Gold ATX 3.0 Power Supply735$39Compare
Teralux PW-4126 Edge 850W 80 PLUS Bronze ATX 3.1 Power Supply1,305$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6546 SE 650W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/8941763 (accessed 2026-10-20).