Hardware Spec Index

Caldera PW-6738 XT 1200W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW6738-XT · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index2,190 (Power Supplies scale)
Category rank#48,913
Street price$199
Power1200 W (rated)
Performance per dollar11.01
Released2025

Specifications

BrandCaldera
ModelCaldera PW-6738 XT
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
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
Caldera PW-2598 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,364$79Compare
Novexa PW-1826 Ti 550W 80 PLUS Gold ATX 3.1 Power Supply1,133$59Compare
Zephyra PW-2589 Ti 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,318$259Compare
Teralux PW-9290 Ultra 1000W 80 PLUS Gold ATX Power Supply2,277$209Compare
Teralux PW-3524 Core 1300W 80 PLUS Platinum ATX Power Supply2,565$249Compare
Zephyra PW-7331 XT 1000W 80 PLUS Gold ATX Power Supply1,774$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6738 XT 1200W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/31497597 (accessed 2026-10-25).