Hardware Spec Index

Caldera PW-6186 Ultra 650W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW6186-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,215 (Power Supplies scale)
Category rank#10,532
Street price$69
Power650 W (rated)
Performance per dollar17.61
Released2022

Specifications

BrandCaldera
ModelCaldera PW-6186 Ultra
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 factorSFX-L
ModularitySemi-modular
Fan120 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
Teralux PW-9892 Max 1000W 80 PLUS Platinum SFX Power Supply1,881$169Compare
Novexa PW-8254 SE 850W 80 PLUS Bronze ATX 3.1 Power Supply1,278$69Compare
Caldera PW-4262 SE 650W 80 PLUS Gold SFX Power Supply892$39Compare
Zephyra PW-3056 Max 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,615$359Compare
Caldera PW-8985 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,566$119Compare
Zephyra PW-9396 SE 1000W 80 PLUS Platinum SFX Power Supply2,350$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6186 Ultra 650W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/623954 (accessed 2026-10-19).