A while ago I remember finding a 2U case with a standard desktop ATX PSU inside and IIRC they should fit ,with the only issue being fan placement - making sure the PSU fan isn't trying to suck air ...

The unit measures just 12mm thin and weighs only 152g, and A-DATA claims that size is the smallest in the industry. It's ready to handle any 2.5" HDD you care to toss in there, and it'll be made ...

Satechi Aluminum External Hard Disk Enclosure USB 3.0 & eSATA, Case for 9.5mm & 12.5mm 2.5" SATA-I, SATA-II, SATA-III HDD & SSD The Satechi Aluminum External Hard Disk Enclosure is an easy to use ...

The Nomad case conforms to strict military standards (MIL-STD-810G) for ruggedness and has been designed to protect My Passport portable hard drives from drops as high as seven feet.

The best external SSDs offer speeds that just aren't possible with older external hard drives. They're also lighter, more reliable and a bit more expensive.

Cache memory (or buffer memory): Amount of memory located on the hard drive, used to store the drive's most frequently-accessed data. Interface: This refers to the connections used by the hard drive.