Which switch supports the same fan tray assembly as the A7502?

A.
A7503

B.
A7503-S

C.
A7506

D.
A7510

Explanation:

http://pc.pcconnection.com/buy/pc/3652177-hp-procurve-hp-a7502-spare-fanassembly-a7502-a7503-s-switch-chassis-jd213a.html