Hardware Spec Index

Caldera PW-6478 SE 1000W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW6478-SE · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,054 (Power Supplies scale)
Category rank#45,667
Street price$149
Power1000 W (rated)
Performance per dollar13.79
Released2025

Specifications

BrandCaldera
ModelCaldera PW-6478 SE
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-5571 Plus 750W 80 PLUS Gold ATX Power Supply1,092$49Compare
Zephyra PW-4741 XT 650W 80 PLUS Bronze ATX 3.1 Power Supply1,031$49Compare
Novexa PW-3491 Core 650W 80 PLUS Bronze SFX Power Supply1,023$49Compare
Vantrel PW-9007 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply1,103$59Compare
Vantrel PW-6220 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply759$39Compare
Caldera PW-6339 Ultra 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,265$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6478 SE 1000W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/31668673 (accessed 2026-10-24).