questionswhat is the largest external hard drive?


3TB is the largest single-drive external enclosure I've seen. You could build something larger using a RAID/JBOD enclosure.


The IBM 3380 and 3390 are the largest I ever saw - the size of a refrigerator and weighing in at about 550 pounds.

String four of those boxes together along with a control unit and you have a huge honking 10 GB of heavy metal (oxide) storage.


Here you go:

Biggest Sold on Newegg is 16TB:

I would recommend getting a 3TB from Staples (with USB 3.0)for $159.99:

But First go to Ejunkie and buy a coupon: ($30 off $150) for $2.99

So basically $27 off $159.99 bringing your total to: $132.99 for a 3TB External Hard Drive.

Just an FYI on USB2.0 vs USB3.0--- USB 3.0 transfers 10x faster than USB 2.0 and if you are moving over terabytes of information, YOU WANT 3.0!

I'd love to have 1 Exabyte of storage:

Bit Single Binary Digit (1 or 0)
Byte 8 bits
Kilobyte (KB) 1,024 Bytes
Megabyte (MB) 1,024 Kilobytes
Gigabyte (GB) 1,024 Megabytes
Terabyte (TB) 1,024 Gigabytes
Petabyte (PB) 1,024 Terabytes
Exabyte (EB) 1,024 Petabytes


Not sure but the answer will be different tomorrow.


Do you mean for consumer use or Cutting Edge?


@durkzilla: I used to service the 3330's and related models with removable platter arrays. How about a Singer Mainframe that supported four disc drives, each larger than a washing machine and running a whopping 1.5 Mb disc? (It was at an IRS Service Center).

I guess the OP should have asked "what's the largest capacity" drive.