Hardware Spec Index

Caldera PW-3319 Ultra 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW3319-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index788 (Power Supplies scale)
Category rank#38,385
Street price$39
Power550 W (rated)
Performance per dollar20.21
Released2023

Specifications

BrandCaldera
ModelCaldera PW-3319 Ultra
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
Fan140 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
Teralux PW-2835 Edge 550W 80 PLUS Bronze ATX 3.0 Power Supply825$39Compare
Caldera PW-3443 Pro 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,912$139Compare
Zephyra PW-5323 Edge 550W 80 PLUS Gold SFX Power Supply792$39Compare
Vantrel PW-8711 Edge 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,920$349Compare
Vantrel PW-3788 Pro 650W 80 PLUS Bronze ATX Power Supply738$39Compare
Caldera PW-7106 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,980$359Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3319 Ultra 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/2748716 (accessed 2026-10-20).