Hardware Spec Index

Caldera PW-3909 Ultra 1300W 80 PLUS Titanium ATX Power Supply

Power Supplies · Caldera · SKU PW3909-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index2,874 (Power Supplies scale)
Category rank#3,775
Street price$359
Power1300 W (rated)
Performance per dollar8.01
Released2019

Specifications

BrandCaldera
ModelCaldera PW-3909 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

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Cite this page: Hardware Spec Index, “Caldera PW-3909 Ultra 1300W 80 PLUS Titanium ATX Power Supply”, https://vextor7.com/item/96862287 (accessed 2026-10-26).