Hardware Spec Index

Caldera PW-3889 Plus 650W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW3889-PLUS · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index1,274 (Power Supplies scale)
Category rank#41,825
Street price$69
Power650 W (rated)
Performance per dollar18.46
Released2022

Specifications

BrandCaldera
ModelCaldera PW-3889 Plus
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
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
Vantrel PW-6052 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,445$89Compare
Vantrel PW-6802 Prime 650W 80 PLUS Bronze ATX Power Supply1,330$79Compare
Vantrel PW-9326 Ti 1000W 80 PLUS Gold SFX Power Supply1,917$169Compare
Caldera PW-7581 Core 850W 80 PLUS Bronze ATX 3.1 Power Supply1,328$59Compare
Zephyra PW-5454 Ultra 1200W 80 PLUS Titanium ATX Power Supply2,667$309Compare
Novexa PW-9273 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply1,672$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3889 Plus 650W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/4070892 (accessed 2026-10-26).