Hardware Spec Index

Caldera PW-1646 XT 1200W 80 PLUS Titanium ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1646-XT · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,583 (Power Supplies scale)
Category rank#34,694
Street price$279
Power1200 W (rated)
Performance per dollar9.26
Released2025

Specifications

BrandCaldera
ModelCaldera PW-1646 XT
Rated output1,200 W continuous
Efficiency80 PLUS Titanium (94% 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
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-8560 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,939$139Compare
Zephyra PW-8673 Prime 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,835$369Compare
Zephyra PW-3427 Pro 1000W 80 PLUS Gold ATX Power Supply2,234$179Compare
Novexa PW-5217 Plus 850W 80 PLUS Gold ATX Power Supply1,681$139Compare
Vantrel PW-7336 SE 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,417$269Compare
Vantrel PW-4811 Max 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,807$349Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1646 XT 1200W 80 PLUS Titanium ATX 3.1 Power Supply”, https://vextor7.com/item/14823769 (accessed 2026-10-24).