Hi zd542, I believe it is a seagate. But am not sure, too it to shop, he said hd d ok but why wont it recognize hd in hd utilities it just says 0 use 0 capacitylike its wiped clean , fortunately I had no cds on it I purchased it on e bay european version he said its poss something on motherboard. I really don't know what it is it plays cds fine just wont copy to hdd