Why I can not view the cache size in Hdturn 4.01 ( WD15EARS )?

The hdturn report the cache is : n/a

Is it any problem ? or the Seller make something wrong?

is your hdd working in achi mode or ide mode? seems ide mode will not show the cache amt if i’m not wrong…

This KB article …

http://seagate.custkb.com/seagate/crm/selfservice/search.jsp?DocId=203631

… explains why no drive can report a cache capacity in excess of (32MB - 512 bytes).