Hardware Spec Index

Caldera PW-9989 Core 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW9989-CORE · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,067 (Power Supplies scale)
Category rank#33,513
Street price$49
Power550 W (rated)
Performance per dollar21.78
Released2026

Specifications

BrandCaldera
ModelCaldera PW-9989 Core
Rated output550 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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-2210 Ti 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,949$339Compare
Caldera PW-4217 Ti 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,377$259Compare
Teralux PW-1464 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply2,335$239Compare
Vantrel PW-9647 XT 1300W 80 PLUS Gold ATX 3.0 Power Supply2,320$219Compare
Caldera PW-7878 Max 1200W 80 PLUS Gold ATX 3.0 Power Supply2,648$279Compare
Teralux PW-1050 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,894$339Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9989 Core 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/883301 (accessed 2026-10-21).