Used Hitachi Travelstar 2.5" IDE Laptop HDD, Model #  IC25N040ATMR04-0, 40 GB capacity. 
Drive has had a S.M.A.R.T. test done via CrystalDiskInfo and tested Good. 
Formatted and ready for install. 

NOTE: This is a vintage IDE drive that may require a Slave/Master configuration depending upon your particular computer. Please understand what you're buying. As this is a vintage drive I will only guarantee against DOA. No warranty is expressed or implied and no returns. 

Ships free, thanks for looking!