Hardware Spec Index

Caldera PW-3938 XT 1200W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW3938-XT · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index2,220 (Power Supplies scale)
Category rank#26,277
Street price$189
Power1200 W (rated)
Performance per dollar11.75
Released2019

Specifications

BrandCaldera
ModelCaldera PW-3938 XT
Rated output1,200 W continuous
Efficiency80 PLUS Gold (90% 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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-9591 Prime 1600W 80 PLUS Titanium ATX Power Supply2,909$349Compare
Teralux PW-7438 Ti 1000W 80 PLUS Platinum ATX Power Supply1,824$159Compare
Vantrel PW-1904 Edge 1200W 80 PLUS Gold ATX 3.1 Power Supply2,282$249Compare
Teralux PW-6281 Core 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,520$289Compare
Caldera PW-8906 Max 850W 80 PLUS Gold SFX Power Supply1,631$109Compare
Teralux PW-6989 Ultra 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,980$399Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3938 XT 1200W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/28023576 (accessed 2026-10-23).