Hardware Spec Index

Caldera PW-1120 SE 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1120-SE · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index974 (Power Supplies scale)
Category rank#35,663
Street price$49
Power550 W (rated)
Performance per dollar19.88
Released2024

Specifications

BrandCaldera
ModelCaldera PW-1120 SE
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
Fan135 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
Caldera PW-1019 Ti 550W 80 PLUS Gold ATX 3.1 Power Supply915$49Compare
Novexa PW-4135 Prime 850W 80 PLUS Gold ATX Power Supply1,966$179Compare
Caldera PW-7012 XT 750W 80 PLUS Bronze ATX 3.1 Power Supply911$49Compare
Caldera PW-1835 Pro 1600W 80 PLUS Titanium ATX Power Supply2,759$329Compare
Zephyra PW-8778 Edge 1000W 80 PLUS Gold ATX 3.1 Power Supply2,179$209Compare
Caldera PW-5795 Edge 750W 80 PLUS Gold ATX Power Supply1,500$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1120 SE 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/6182069 (accessed 2026-10-24).