Hardware Spec Index

Caldera PW-4256 Ultra 1300W 80 PLUS Titanium ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW4256-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index2,356 (Power Supplies scale)
Category rank#3,054
Street price$299
Power1300 W (rated)
Performance per dollar7.88
Released2026

Specifications

BrandCaldera
ModelCaldera PW-4256 Ultra
Rated output1,300 W continuous
Efficiency80 PLUS Titanium (94% 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
Fan140 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-6162 SE 1000W 80 PLUS Gold SFX Power Supply2,175$179Compare
Caldera PW-4722 Max 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,505$289Compare
Vantrel PW-1977 SE 750W 80 PLUS Gold SFX Power Supply1,429$89Compare
Vantrel PW-2835 Prime 1200W 80 PLUS Gold ATX 3.0 Power Supply2,520$269Compare
Novexa PW-9007 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,592$119Compare
Vantrel PW-5972 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,543$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4256 Ultra 1300W 80 PLUS Titanium ATX 3.1 Power Supply”, https://vextor7.com/item/3017150 (accessed 2026-10-23).