Hardware Spec Index

Caldera PW-6939 Ultra 1300W 80 PLUS Titanium ATX Power Supply

Power Supplies · Caldera · SKU PW6939-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index2,388 (Power Supplies scale)
Category rank#11,292
Street price$319
Power1300 W (rated)
Performance per dollar7.49
Released2019

Specifications

BrandCaldera
ModelCaldera PW-6939 Ultra
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
Fan140 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
Teralux PW-7857 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,890$149Compare
Caldera PW-3815 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,312$69Compare
Vantrel PW-5732 SE 1000W 80 PLUS Gold ATX Power Supply2,178$189Compare
Teralux PW-8119 SE 550W 80 PLUS Gold SFX Power Supply727$39Compare
Caldera PW-3962 XT 1000W 80 PLUS Titanium ATX Power Supply2,370$239Compare
Zephyra PW-7957 Core 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,481$229Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6939 Ultra 1300W 80 PLUS Titanium ATX Power Supply”, https://vextor7.com/item/60000369 (accessed 2026-10-20).