Hardware Spec Index

Caldera PW-6728 Prime 650W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW6728-PRIME · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index876 (Power Supplies scale)
Category rank#1,900
Street price$39
Power650 W (rated)
Performance per dollar22.46
Released2023

Specifications

BrandCaldera
ModelCaldera PW-6728 Prime
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
ModularitySemi-modular
Fan120 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
Teralux PW-8970 XT 1000W 80 PLUS Titanium SFX Power Supply2,289$239Compare
Caldera PW-8927 Edge 750W 80 PLUS Bronze SFX Power Supply1,306$89Compare
Novexa PW-3884 Prime 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,848$359Compare
Teralux PW-8993 Plus 750W 80 PLUS Bronze ATX 3.1 Power Supply1,310$79Compare
Caldera PW-6396 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,752$149Compare
Teralux PW-5738 Ti 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,640$309Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6728 Prime 650W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/43677429 (accessed 2026-10-22).