Hardware Spec Index

Caldera PW-6979 Ti 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW6979-TI · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index751 (Power Supplies scale)
Category rank#45,337
Street price$39
Power550 W (rated)
Performance per dollar19.26
Released2020

Specifications

BrandCaldera
ModelCaldera PW-6979 Ti
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-2635 Max 850W 80 PLUS Bronze ATX 3.0 Power Supply1,435$89Compare
Vantrel PW-2159 Plus 1600W 80 PLUS Titanium ATX Power Supply2,919$369Compare
Novexa PW-9456 Ultra 850W 80 PLUS Gold SFX Power Supply1,500$99Compare
Vantrel PW-4061 Core 650W 80 PLUS Gold ATX Power Supply996$59Compare
Vantrel PW-2942 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply1,875$159Compare
Vantrel PW-8764 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,949$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6979 Ti 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/6231884 (accessed 2026-10-21).