Hardware Spec Index

Caldera PW-9403 Plus 1000W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW9403-PLUS · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index2,419 (Power Supplies scale)
Category rank#49,910
Street price$309
Power1000 W (rated)
Performance per dollar7.83
Released2023

Specifications

BrandCaldera
ModelCaldera PW-9403 Plus
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-4342 Ultra 550W 80 PLUS Gold ATX 3.0 Power Supply993$39Compare
Caldera PW-4508 Max 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,687$279Compare
Zephyra PW-9537 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,698$109Compare
Teralux PW-9963 Pro 850W 80 PLUS Gold ATX Power Supply1,394$99Compare
Teralux PW-5763 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,525$239Compare
Zephyra PW-8303 Ultra 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,337$269Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9403 Plus 1000W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/79483454 (accessed 2026-10-23).