Hardware Spec Index

Caldera PW-1882 Ultra 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW1882-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index953 (Power Supplies scale)
Category rank#11,332
Street price$39
Power550 W (rated)
Performance per dollar24.44
Released2026

Specifications

BrandCaldera
ModelCaldera PW-1882 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 factorSFX-L
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
Teralux PW-4267 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,562$109Compare
Teralux PW-3563 Max 1000W 80 PLUS Platinum SFX Power Supply2,271$189Compare
Zephyra PW-6921 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply1,975$159Compare
Caldera PW-8402 Core 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,180$239Compare
Caldera PW-2269 Prime 650W 80 PLUS Bronze ATX Power Supply907$39Compare
Zephyra PW-6779 Max 550W 80 PLUS Gold ATX 3.1 Power Supply707$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1882 Ultra 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/94812833 (accessed 2026-10-25).