Hardware Spec Index

Caldera PW-2638 XT 1200W 80 PLUS Titanium ATX Power Supply

Power Supplies · Caldera · SKU PW2638-XT · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index2,423 (Power Supplies scale)
Category rank#29,757
Street price$269
Power1200 W (rated)
Performance per dollar9.01
Released2020

Specifications

BrandCaldera
ModelCaldera PW-2638 XT
Rated output1,200 W continuous
Efficiency80 PLUS Titanium (94% 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
Zephyra PW-7870 Pro 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,846$359Compare
Novexa PW-9148 Plus 1000W 80 PLUS Platinum SFX Power Supply2,228$199Compare
Novexa PW-2813 SE 550W 80 PLUS Bronze ATX Power Supply1,116$59Compare
Zephyra PW-1755 XT 1000W 80 PLUS Gold ATX Power Supply1,648$119Compare
Teralux PW-6576 Core 1300W 80 PLUS Gold ATX Power Supply2,681$319Compare
Zephyra PW-1685 Pro 1000W 80 PLUS Gold ATX 3.0 Power Supply1,912$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2638 XT 1200W 80 PLUS Titanium ATX Power Supply”, https://vextor7.com/item/6249472 (accessed 2026-10-24).