Hardware Spec Index

Caldera PW-6514 Ultra 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW6514-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,076 (Power Supplies scale)
Category rank#18,245
Street price$59
Power550 W (rated)
Performance per dollar18.24
Released2021

Specifications

BrandCaldera
ModelCaldera PW-6514 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-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
Vantrel PW-6854 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,775$149Compare
Vantrel PW-8627 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,756$139Compare
Vantrel PW-6871 Prime 650W 80 PLUS Bronze ATX 3.1 Power Supply684$39Compare
Caldera PW-8964 SE 550W 80 PLUS Bronze ATX 3.0 Power Supply882$39Compare
Vantrel PW-9925 Max 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,490$279Compare
Vantrel PW-4743 Plus 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,738$349Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6514 Ultra 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/28115271 (accessed 2026-10-21).