Nobody wants to be disturbed while watching TV or listening to music. A more or less noiseless operation maybe a necessity when building your HTPC.
This article aims at helping you to:
3.5" hard disks
The most hard disk offerings can be found in the widely-used 3.5" format.
Hard disks that are known to be silent are:
2.5" hard disks
You already have a NAS / server taking care of your data.
There is not much space to dam or decouple your hard disk?
You want your hard disk to be as noiseless as possible?
Then a 2.5" harddisk will ideally suit your needs.
Harddisks that are known to be silent are:
Solid state disks
The new upcoming star in the storage sector is probably the solid state disk.
These "harddisks" have much lower (random) access times, and noise and heat emission are lower compared to regular hard disks.
The downside of these flash drives is their price and the yet lacking availability.
Using HDD enclosures
HDD Enclosures have great potential in reducing both idle and seek noise.
Scythe offers several ones: Scythe product page