Hardware Spec Index

Caldera PW-3075 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW3075-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,486 (Power Supplies scale)
Category rank#33,420
Street price$79
Power850 W (rated)
Performance per dollar18.81
Released2021

Specifications

BrandCaldera
ModelCaldera PW-3075 Ultra
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
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-5747 Ultra 1000W 80 PLUS Gold SFX Power Supply2,065$179Compare
Zephyra PW-9051 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,797$149Compare
Novexa PW-3491 Core 1000W 80 PLUS Gold ATX Power Supply1,939$199Compare
Vantrel PW-9828 Ultra 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,604$279Compare
Teralux PW-5900 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply1,789$129Compare
Zephyra PW-8593 Edge 1300W 80 PLUS Titanium ATX Power Supply2,430$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3075 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/51314858 (accessed 2026-10-25).