Brand new 320 Gigabyte hard drive for HP Business series notebooks. This is the best upgrade you can give your HP business series notebook. 5400RPM spindle speed with 8MB buffer for great performance and low power use for longer battery run times. Extremely smooth quite and durable operation! This is great for all of your larger multi-media files. Save huge money over buying a replacement laptop. This drive comes with a full version of Windows XP professinal HP liscensed operating system install disk. Just think now you upgrade your HP business series laptop to 250GB capacity and upgrade to Windows XP Professional at the same time! Get the right hard drive at the right price for your HP business series Laptop! Compatability List: Business NoteBook-NC4000 Business NoteBook-NC4010 Business NoteBook-NC6000 Business NoteBook-NC6110 Business NoteBook-NC6120 Business NoteBook-NC6220 Business NoteBook-NC6230 Business NoteBook-NC8000 Business NoteBook-NC8230 Business NoteBook-NX4300 Business NoteBook-NX4800 Business NoteBook-NX4820 Business NoteBook-NX5000 Business NoteBook-NX6110 Business NoteBook-NX6115 Business NoteBook-NX6120 Business NoteBook-NX6125 Business NoteBook-NX6130 Business NoteBook-NX7000 Business NoteBook-NX7010 Business NoteBook-NX7100 Business NoteBook-NX7220 Business NoteBook-NX8220 Business NoteBook-NX9000 Business NoteBook-NX9005 Business NoteBook-NX9008 Business NoteBook-NX9010 Business NoteBook-NX9020 Business NoteBook-NX9030 Business NoteBook-NX9040 Business NoteBook-NX9100 Business NoteBook-NX9105 Business NoteBook-NX9110 Business NoteBook-NX9500 Business NoteBook-NX9600 Please note this is IDE. If uncertain of your drive please consult your computer manufacturer.