Hardware Spec Index

Caldera PW-6540 Core 750W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW6540-CORE · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index1,016 (Power Supplies scale)
Category rank#19,043
Street price$59
Power750 W (rated)
Performance per dollar17.22
Released2025

Specifications

BrandCaldera
ModelCaldera PW-6540 Core
Rated output750 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-pin2×
Form factorATX
ModularitySemi-modular
Fan140 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
Zephyra PW-6436 XT 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,894$319Compare
Teralux PW-2521 Ultra 1000W 80 PLUS Platinum ATX Power Supply2,078$199Compare
Caldera PW-6053 Prime 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,443$259Compare
Vantrel PW-5170 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply2,016$179Compare
Novexa PW-7256 Edge 1000W 80 PLUS Gold ATX Power Supply2,050$179Compare
Teralux PW-3154 Max 650W 80 PLUS Bronze ATX Power Supply1,247$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6540 Core 750W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/11034701 (accessed 2026-10-24).