Hardware Spec Index

Caldera PW-1902 Ti 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW1902-TI · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index758 (Power Supplies scale)
Category rank#27,860
Street price$39
Power550 W (rated)
Performance per dollar19.44
Released2020

Specifications

BrandCaldera
ModelCaldera PW-1902 Ti
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularityNon-modular
Fan120 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-5351 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,980$349Compare
Novexa PW-8653 Core 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,602$339Compare
Vantrel PW-8271 Plus 850W 80 PLUS Gold ATX Power Supply1,303$79Compare
Novexa PW-2829 Core 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,558$319Compare
Zephyra PW-3321 Prime 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,241$279Compare
Teralux PW-1857 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,636$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1902 Ti 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/76981902 (accessed 2026-10-25).