THIS HARD DRIVE IS STILL WORKING GREAT AND BOOTS SMOOTHLY INTO MAC OS. UNIT HAS SOME EXTRA SOFTWARE LOADED AS WELL. IT IS NOT MY PERSONAL DRIVE SO I DONT KNOW WHATS ON IT.PRETTY SURE THESE ARE NOT SO COMMON. UNIT WILL SHOW SOME MINOR SCUFFS AND SCRATCHES. VIEW PHOTOS AS IT IS THE ACTUAL ITEM YOU WILL RECEIVE. THIS UNIT IS MISSING ONE RUBBER FOOT. THE MACINTOSH SE SHOWN IN THE POTOS IS NOT INCLUDED WITH THIS SALE. IT IS FOR DEMONSTRATION PURPOSES ONLY. The item "VERY RARE Apple Macintosh Hard Disk 40SC Model M2644 40MB 40 MEGABYTE HARD DISK" is in sale since Tuesday, December 22, 2020. This item is in the category "Computers/Tablets & Networking\Vintage Computing\Vintage Computers & Mainframes". The seller is "mojoelectronics" and is located in Brooklyn, New York. This item can be shipped worldwide.