Hardware Spec Index

Caldera PW-1539 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1539-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,902 (Power Supplies scale)
Category rank#25,424
Street price$349
Power1600 W (rated)
Performance per dollar8.32
Released2025

Specifications

BrandCaldera
ModelCaldera PW-1539 Ultra
Rated output1,600 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-pin5×
Form factorATX
ModularityFully modular
Fan140 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

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Cite this page: Hardware Spec Index, “Caldera PW-1539 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply”, https://vextor7.com/item/9847469 (accessed 2026-10-21).