Hardware Spec Index

Caldera PW-7985 Plus 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW7985-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index870 (Power Supplies scale)
Category rank#35,852
Street price$39
Power550 W (rated)
Performance per dollar22.31
Released2019

Specifications

BrandCaldera
ModelCaldera PW-7985 Plus
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
Fan135 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
Zephyra PW-4896 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,461$309Compare
Teralux PW-2065 Pro 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,812$319Compare
Teralux PW-8385 Ultra 750W 80 PLUS Gold ATX Power Supply994$49Compare
Teralux PW-7807 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,641$119Compare
Vantrel PW-8549 Max 850W 80 PLUS Gold SFX Power Supply1,592$99Compare
Caldera PW-6431 SE 850W 80 PLUS Gold ATX Power Supply1,719$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7985 Plus 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/12631995 (accessed 2026-10-22).