Hardware Spec Index

Caldera PW-1281 Pro 1300W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1281-PRO · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index2,352 (Power Supplies scale)
Category rank#32,644
Street price$269
Power1300 W (rated)
Performance per dollar8.74
Released2024

Specifications

BrandCaldera
ModelCaldera PW-1281 Pro
Rated output1,300 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-pin4×
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
Teralux PW-4509 Ultra 550W 80 PLUS Gold ATX Power Supply768$39Compare
Zephyra PW-2286 Plus 850W 80 PLUS Gold SFX Power Supply1,758$119Compare
Zephyra PW-7138 Pro 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,753$359Compare
Novexa PW-7364 Core 1000W 80 PLUS Platinum ATX Power Supply2,373$229Compare
Zephyra PW-9620 Prime 850W 80 PLUS Gold ATX Power Supply1,488$79Compare
Zephyra PW-6605 Edge 1600W 80 PLUS Titanium ATX Power Supply2,879$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1281 Pro 1300W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/4016702 (accessed 2026-10-23).