Hardware Spec Index

Caldera PW-1677 Ti 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW1677-TI · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index794 (Power Supplies scale)
Category rank#13,149
Street price$39
Power550 W (rated)
Performance per dollar20.36
Released2022

Specifications

BrandCaldera
ModelCaldera PW-1677 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
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
Zephyra PW-2318 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,502$99Compare
Vantrel PW-6177 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,838$129Compare
Caldera PW-8222 Prime 850W 80 PLUS Gold ATX Power Supply1,710$139Compare
Novexa PW-5983 Core 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,615$299Compare
Zephyra PW-9854 Edge 1000W 80 PLUS Gold ATX 3.0 Power Supply1,834$159Compare
Vantrel PW-4958 Core 850W 80 PLUS Gold ATX Power Supply1,462$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1677 Ti 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/69723742 (accessed 2026-10-20).