Hardware Spec Index

Caldera PW-7978 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW7978-PLUS · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index1,687 (Power Supplies scale)
Category rank#39,119
Street price$109
Power850 W (rated)
Performance per dollar15.48
Released2024

Specifications

BrandCaldera
ModelCaldera PW-7978 Plus
Rated output850 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-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-1418 Prime 550W 80 PLUS Gold ATX 3.0 Power Supply822$39Compare
Novexa PW-9225 Max 850W 80 PLUS Gold ATX Power Supply1,631$99Compare
Zephyra PW-8822 Max 750W 80 PLUS Gold ATX 3.1 Power Supply1,244$69Compare
Vantrel PW-9280 SE 850W 80 PLUS Gold ATX Power Supply1,658$119Compare
Vantrel PW-1513 Edge 550W 80 PLUS Bronze SFX Power Supply719$39Compare
Teralux PW-2513 SE 850W 80 PLUS Gold ATX Power Supply1,766$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7978 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/18935501 (accessed 2026-10-22).