Hardware Spec Index

Caldera PW-1255 Max 1300W 80 PLUS Titanium ATX Power Supply

Power Supplies · Caldera · SKU PW1255-MAX · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,778 (Power Supplies scale)
Category rank#12,726
Street price$369
Power1300 W (rated)
Performance per dollar7.53
Released2021

Specifications

BrandCaldera
ModelCaldera PW-1255 Max
Rated output1,300 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin5×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Vantrel PW-2290 XT 850W 80 PLUS Gold SFX Power Supply1,570$129Compare
Novexa PW-4769 Core 750W 80 PLUS Gold ATX Power Supply1,399$89Compare
Teralux PW-2273 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply1,983$159Compare
Caldera PW-9074 Ultra 650W 80 PLUS Gold ATX 3.1 Power Supply1,123$59Compare
Novexa PW-8658 Core 650W 80 PLUS Gold ATX 3.0 Power Supply1,253$79Compare
Vantrel PW-8350 Edge 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,174$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1255 Max 1300W 80 PLUS Titanium ATX Power Supply”, https://vextor7.com/item/11540293 (accessed 2026-10-20).