Hardware Spec Index

Caldera PW-7051 Core 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW7051-CORE · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index899 (Power Supplies scale)
Category rank#43,944
Street price$39
Power550 W (rated)
Performance per dollar23.05
Released2019

Specifications

BrandCaldera
ModelCaldera PW-7051 Core
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Teralux PW-9803 Pro 550W 80 PLUS Gold ATX 3.1 Power Supply697$39Compare
Novexa PW-6063 Core 1000W 80 PLUS Titanium SFX Power Supply2,239$229Compare
Caldera PW-6437 Ti 750W 80 PLUS Gold ATX 3.1 Power Supply1,640$119Compare
Vantrel PW-8779 Max 1600W 80 PLUS Titanium ATX Power Supply2,530$279Compare
Vantrel PW-6953 Pro 550W 80 PLUS Bronze ATX 3.0 Power Supply1,031$49Compare
Novexa PW-2465 Core 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,177$199Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7051 Core 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/15375433 (accessed 2026-10-22).