Released alongside the AirPort Extreme base station, this hard drive equipped variant offers 802.11ac speed on a time capsule NAS.

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Time Capsule HDD replacement

Hi there,

Is it possibel to replace HDD in 5th gen Time Capsule without loosing any data?

Will the cloned HDD work properly?


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This is a response to Dan's comments:

The disk is a standard 3.5" disk, not a 2.5" disk and there are no obvious height issues.

If you remove the disk, you *can* use a hard drive dock or hard disk enclosure to attach it externally and image, clone, or copy the data off. I'm currently copying my client's data off it. And I've done the same with my own Time Capsule.

There doesn't seem to be anything special about it at all.


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Yes, it will work. Take out the drive and image it to the newer drive using disk utility (restore).

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I also would not recommend cloning because files can often become corrupt during the process.


Wait a sec here... You can't remove the drive and connect it directly to your Mac as the TC drive is not formatted with GUID as you would have expected! instead its using a custom format only available within the TC via the AirPort Utility. Basically there is no way to clone or access the files directly from the drive.



that will be possible trough dd terminal command, but as I never tried (neither have a Time Capsule) can't tell if it will work


@Carlos - if you take the drive out of the TC you can't access the files via a SATA to USB adapter off your Mac. Sorry guy I've tried just doesn't work.


I didn't expected to access the files from the MAc, but to clone the drive.

Can you see the hdd in the disk utility?

Have you checked if you get a new entry in /dev/ ?

Can you try it from a linux machine, directly to SATA without the usb adapter?


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Sorry the answer is no, you can't clone the Time Capsule drive to a second drive externally of the Time Capsule.

You can copy off the files from the Time Capsule via your computer onto an external drive connected to your computer. Then once you copied off your files you can remove the drive place a new drive in (larger drive) then using the AirPort Utility reformat the drive. Once its prepped up via the AirPort Utility you could then copy back to the new drive your files you held temporality on the external drive you had connected to your computer.

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What drives are compatible with the Time Capsule? If I wanted to put an SSD or a 5TB drive which models could I use?


It's a standard 2.5" drive. But! You do have limits here, the drive hight is limited, power is limited (current draw) as well as cooling. The 5TB drives I've seen are really not suitable for a TC. They are slower NAS class drives and they are too high to fit. A SSD would work but you've wasting its speed here. Remember the data rate of the WiFi connection and/or the Ethernet network is slower than the SATA III (6.0 Gb/s) the TC has. The SATA III I/O would be about 75 GB. Keep in mind the sustained read throughput for many SSD's is about 500 MB/s and the I/O Write up to 175 MB/s (using a SATA III 6Gb/s interface). To be clear here, there are different measures used here Gb = Giga bit and GB = Giga Byte.


Nonsense. The disk is 3.5", standard size, and mounts quite normally as an external disk. Copying data off is exactly as you'd expect on Mac.


@David - The older Time Capsule had a 3.5" drive the newer models use a 2.5". This version uses a 2.5" drive.

As to connection: All of the Time Capsules are connected via Ethernet not USB, FireWire or Thunderbolt so it's not connected or accessed in the same way!


Is it really true that the 5th gen TC uses 2.5" HDD? Can't believe it considering weight and noise ...


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The 5th generation Time Capsule contain a 3.5" HDD!

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