This adapter from iStar holds up to three 3.5-inch hard drives in place of two 5.25-inch drive bays. It also includes an 80mm cooling fan to ensure airflow around the drives and a removable filter to keep dust from getting into the computer.
Model: iStarUSA TC-ISTORM7
The TC-iStorm7 internal hard drives cage that hold three hard drives in two 5.25" drive space. Built-in 80mm fan to ensure good ventilation. Easy to assemble and install to quick upgrade more storage space. TC-iStorm7 works great with most server and PC.