Hardware Spec Index

Caldera PW-7976 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW7976-TI · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index1,089 (Power Supplies scale)
Category rank#34,086
Street price$49
Power650 W (rated)
Performance per dollar22.22
Released2026

Specifications

BrandCaldera
ModelCaldera PW-7976 Ti
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully 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
Novexa PW-2661 Plus 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,971$169Compare
Caldera PW-7093 Pro 750W 80 PLUS Bronze ATX Power Supply1,327$79Compare
Zephyra PW-9425 XT 650W 80 PLUS Bronze ATX Power Supply999$49Compare
Teralux PW-5178 SE 1600W 80 PLUS Titanium ATX Power Supply2,580$339Compare
Novexa PW-8622 Pro 1300W 80 PLUS Gold ATX Power Supply2,373$259Compare
Novexa PW-5114 XT 1300W 80 PLUS Titanium ATX Power Supply2,869$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7976 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/78280535 (accessed 2026-10-22).