Hardware Spec Index

Caldera PW-3490 Plus 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW3490-PLUS · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,750 (Power Supplies scale)
Category rank#36,425
Street price$139
Power850 W (rated)
Performance per dollar12.59
Released2020

Specifications

BrandCaldera
ModelCaldera PW-3490 Plus
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 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
Zephyra PW-2780 Pro 1000W 80 PLUS Gold ATX 3.0 Power Supply2,461$269Compare
Zephyra PW-2136 Ti 1200W 80 PLUS Gold ATX 3.0 Power Supply2,436$269Compare
Zephyra PW-9209 Ultra 1000W 80 PLUS Titanium ATX Power Supply2,366$219Compare
Zephyra PW-7652 Ti 1200W 80 PLUS Gold ATX Power Supply2,064$199Compare
Novexa PW-7627 Core 750W 80 PLUS Gold ATX Power Supply1,513$89Compare
Teralux PW-1502 SE 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,881$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3490 Plus 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/92714857 (accessed 2026-10-25).