Hardware Spec Index

Caldera PW-5491 Plus 1600W 80 PLUS Titanium ATX Power Supply

Power Supplies · Caldera · SKU PW5491-PLUS · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index2,942 (Power Supplies scale)
Category rank#5,354
Street price$399
Power1600 W (rated)
Performance per dollar7.37
Released2021

Specifications

BrandCaldera
ModelCaldera PW-5491 Plus
Rated output1,600 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin6×
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
Vantrel PW-5603 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,029$169Compare
Zephyra PW-1603 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,839$149Compare
Vantrel PW-7484 Ultra 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,327$239Compare
Novexa PW-6582 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply2,152$199Compare
Novexa PW-1881 Prime 850W 80 PLUS Gold ATX Power Supply1,552$109Compare
Novexa PW-8266 Ti 850W 80 PLUS Platinum ATX Power Supply2,011$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5491 Plus 1600W 80 PLUS Titanium ATX Power Supply”, https://vextor7.com/item/4179300 (accessed 2026-10-26).