Hardware Spec Index

Caldera PW-1283 XT 1200W 80 PLUS Platinum ATX Power Supply

Power Supplies · Caldera · SKU PW1283-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index2,666 (Power Supplies scale)
Category rank#31,574
Street price$279
Power1200 W (rated)
Performance per dollar9.56
Released2019

Specifications

BrandCaldera
ModelCaldera PW-1283 XT
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Caldera PW-1160 XT 1000W 80 PLUS Platinum SFX Power Supply1,941$179Compare
Vantrel PW-7840 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply1,755$119Compare
Caldera PW-1815 Prime 750W 80 PLUS Bronze ATX 3.1 Power Supply1,440$89Compare
Novexa PW-4140 Pro 750W 80 PLUS Gold ATX 3.1 Power Supply1,393$79Compare
Teralux PW-2389 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,276$69Compare
Teralux PW-2541 Pro 550W 80 PLUS Bronze ATX 3.0 Power Supply1,135$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1283 XT 1200W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/927353 (accessed 2026-10-19).