Hardware Spec Index

Caldera PW-5490 Prime 1200W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW5490-PRIME · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index2,018 (Power Supplies scale)
Category rank#26,957
Street price$179
Power1200 W (rated)
Performance per dollar11.27
Released2025

Specifications

BrandCaldera
ModelCaldera PW-5490 Prime
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% 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
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-3061 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply2,444$269Compare
Vantrel PW-1335 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,461$109Compare
Vantrel PW-8591 Pro 650W 80 PLUS Gold ATX Power Supply840$39Compare
Zephyra PW-9953 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,763$159Compare
Caldera PW-1109 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply2,006$159Compare
Vantrel PW-5252 Plus 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,182$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5490 Prime 1200W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/939844 (accessed 2026-10-23).