Crossword Genius

Dark dish used in data storage device (4,4)

Ross

I believe the answer is:

hard disk

I'm a little stuck... Click here to teach me more about this clue!

'storage device' is the definition.
(I know that hard disk is a type of disc)

'dark dish used' is the wordplay.
'used' indicates an anagram.
'dark'+'dish'='darkdish'
'darkdish' is an anagram of 'HARD DISK'.

'in data' is the link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

(Another definition for hard disk that I've seen is " Computer facility".)

I've seen this clue in the Sydney Morning Herald.
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