Hardware Spec Index

Caldera PW-1515 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1515-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index899 (Power Supplies scale)
Category rank#45,894
Street price$39
Power550 W (rated)
Performance per dollar23.05
Released2026

Specifications

BrandCaldera
ModelCaldera PW-1515 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-5537 Ultra 750W 80 PLUS Bronze ATX 3.0 Power Supply1,474$79Compare
Vantrel PW-8254 XT 650W 80 PLUS Gold ATX 3.0 Power Supply716$39Compare
Teralux PW-3026 Max 750W 80 PLUS Gold ATX Power Supply1,444$89Compare
Teralux PW-4532 Edge 650W 80 PLUS Gold ATX Power Supply1,115$59Compare
Caldera PW-6756 Plus 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,054$209Compare
Zephyra PW-2471 Max 650W 80 PLUS Gold ATX 3.0 Power Supply1,445$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1515 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/9145306 (accessed 2026-10-25).