Hardware Spec Index

Caldera PW-1122 Ti 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW1122-TI · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index803 (Power Supplies scale)
Category rank#35,024
Street price$39
Power550 W (rated)
Performance per dollar20.59
Released2020

Specifications

BrandCaldera
ModelCaldera PW-1122 Ti
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully 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
Zephyra PW-9006 Prime 850W 80 PLUS Gold ATX Power Supply1,740$129Compare
Vantrel PW-8302 Prime 1000W 80 PLUS Platinum ATX Power Supply2,043$169Compare
Caldera PW-8183 SE 550W 80 PLUS Bronze ATX Power Supply793$39Compare
Vantrel PW-8743 SE 1600W 80 PLUS Platinum ATX Power Supply2,679$309Compare
Caldera PW-2735 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply824$39Compare
Zephyra PW-4356 Edge 650W 80 PLUS Gold SFX Power Supply1,205$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1122 Ti 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/21532752 (accessed 2026-10-26).