Hardware Spec Index

Caldera PW-1140 Ultra 1300W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW1140-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index2,582 (Power Supplies scale)
Category rank#41,641
Street price$279
Power1300 W (rated)
Performance per dollar9.25
Released2023

Specifications

BrandCaldera
ModelCaldera PW-1140 Ultra
Rated output1,300 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-5620 Ti 650W 80 PLUS Bronze ATX Power Supply1,094$59Compare
Caldera PW-9746 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,491$99Compare
Zephyra PW-4923 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply2,265$189Compare
Novexa PW-1016 Edge 650W 80 PLUS Bronze ATX 3.0 Power Supply1,024$49Compare
Novexa PW-9660 Prime 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,376$269Compare
Novexa PW-6961 Pro 650W 80 PLUS Gold ATX 3.1 Power Supply1,440$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1140 Ultra 1300W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/4555271 (accessed 2026-10-22).