yeah certainly is. I've used it with the IP-35 (not pro) but all the connectors are the same.
Check out Computer hardware and software at amazing prices, available online from Scan Computers UK if you havn't already the corsair is at the bottom for a few quid cheaper than normal.
Also check out the Western Digital 500GB AAKS instead of the spinpoint. It's a great drive and you will be amazed at how quiet it is in a P182.. you can't hear it..brings a geeky smile to my face everytime I use it lol I'm a self confessed WD fanboi but they have never let me down.