FSP Hydro G PRO 850W Power Supply Review: Great Build, So-So Performance

Why you can trust Tom's Hardware Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test.

Performance, Noise and Efficiency

Performance Rating

Click to see more results

FSP's product scores low in our relative performance chart.

Noise Rating

The graph below depicts the cooling fan's average noise over the PSU's operating range, with an ambient temperature between 30 to 32 degrees Celsius (86 to 89.6 degrees Fahrenheit).

Click to see more results

Noise output isn't so impressive, but at least it surpasses the popular Seasonic Focus Plus Golf here, with similar capacity.

Efficiency Rating

The following graph shows the PSU's average efficiency throughout its operating range with an ambient temperature close to 30 degrees Celsius.

Click to see more results

The overall efficiency score for the Hydro G Pro is in the middle of the pack--more "good enough" than great.

MORE: Best Power Supplies

MORE: How We Test Power Supplies

MORE: All Power Supply Content

Contributing Editor

Aris Mpitziopoulos is a Contributing Editor at Tom's Hardware US, covering PSUs.