The most common and most likely answer to this crossword clue is the 8 letter word KEYBOARD
I've seen this crossword clue in The Daily Telegraph
K
E
Y
B
O
A
R
D
More clues leading to the result KEYBOARD
- A pianist could play this essential sheet
- Item of office equipment is essential, needed by firm's bosses
- Given this, one must hit the right note — it's essential to get on
- Important poet carrying round electronic instrument
- Console warrior online using this?
- Crucial managerial group – its members get depressed
- Where all the pieces of poetry you write are set in row for typist
- Two tables that one lays hands on
- Important to lodge hardware for computer
- Two things a lodger may require with a computer
Buddy explains!

The straight part
We know that "hardware for computer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hardware for computer = keyboard.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does KEYBOARD mean?
KEYBOARD noun- (etc.) A set of keys used to operate a typewriter, computer etc.
- A component of many instruments including the piano, organ, and harpsichord consisting of usually black and white keys that cause different tones to be produced when struck.
- A device with keys of a musical keyboard, used to control electronic sound-producing devices which may be built into or separate from the keyboard device.
- To type on a computer keyboard.