Hardware Spec Index

Caldera PW-7489 Core 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW7489-CORE · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,017 (Power Supplies scale)
Category rank#45,115
Street price$49
Power550 W (rated)
Performance per dollar20.76
Released2022

Specifications

BrandCaldera
ModelCaldera PW-7489 Core
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-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
Vantrel PW-5990 XT 650W 80 PLUS Bronze ATX Power Supply1,303$79Compare
Vantrel PW-6453 Ultra 1000W 80 PLUS Gold ATX Power Supply2,001$179Compare
Teralux PW-3897 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply1,881$169Compare
Novexa PW-1253 Ti 1000W 80 PLUS Gold ATX 3.0 Power Supply2,111$189Compare
Caldera PW-3871 Max 1000W 80 PLUS Gold ATX Power Supply2,082$169Compare
Vantrel PW-6056 Prime 750W 80 PLUS Gold SFX Power Supply1,553$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7489 Core 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/9320176 (accessed 2026-10-21).