Hardware Spec Index

Caldera PW-2890 Ultra 850W 80 PLUS Platinum ATX Power Supply

Power Supplies · Caldera · SKU PW2890-ULTRA · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index1,886 (Power Supplies scale)
Category rank#13,708
Street price$169
Power850 W (rated)
Performance per dollar11.16
Released2019

Specifications

BrandCaldera
ModelCaldera PW-2890 Ultra
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
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
Novexa PW-9627 Ti 1000W 80 PLUS Platinum ATX Power Supply2,002$149Compare
Novexa PW-7631 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,157$229Compare
Teralux PW-9801 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,736$129Compare
Novexa PW-6116 Ultra 650W 80 PLUS Gold ATX 3.0 Power Supply1,124$49Compare
Novexa PW-2354 Max 650W 80 PLUS Gold ATX Power Supply1,364$79Compare
Zephyra PW-2627 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,566$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2890 Ultra 850W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/2201780 (accessed 2026-10-18).