Hardware Spec Index

Caldera PW-3540 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW3540-CORE · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,138 (Power Supplies scale)
Category rank#22,557
Street price$59
Power550 W (rated)
Performance per dollar19.29
Released2025

Specifications

BrandCaldera
ModelCaldera PW-3540 Core
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
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-9248 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,816$119Compare
Vantrel PW-5652 SE 550W 80 PLUS Bronze ATX 3.0 Power Supply803$39Compare
Teralux PW-4615 Ti 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,407$279Compare
Caldera PW-2522 Max 850W 80 PLUS Gold ATX Power Supply1,700$129Compare
Novexa PW-3580 Pro 750W 80 PLUS Bronze ATX 3.1 Power Supply1,376$89Compare
Caldera PW-3278 Edge 1300W 80 PLUS Titanium ATX Power Supply2,618$299Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3540 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/2082907 (accessed 2026-10-23).