Hardware Spec Index

Caldera PW-9646 Ti 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW9646-TI · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,028 (Power Supplies scale)
Category rank#39,499
Street price$49
Power550 W (rated)
Performance per dollar20.98
Released2022

Specifications

BrandCaldera
ModelCaldera PW-9646 Ti
Rated output550 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
ModularityNon-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
Zephyra PW-6855 Ultra 650W 80 PLUS Bronze ATX Power Supply895$39Compare
Zephyra PW-7947 Max 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,821$339Compare
Zephyra PW-9583 Max 750W 80 PLUS Gold ATX Power Supply1,045$59Compare
Vantrel PW-5179 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply1,871$179Compare
Zephyra PW-6610 SE 1200W 80 PLUS Titanium ATX Power Supply2,577$319Compare
Novexa PW-8517 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,569$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9646 Ti 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/7802595 (accessed 2026-10-21).