Toshiba MK4026GAX - Hard drive - 40 GB - internal - 2.5" - ATA-100 - 44 pin IDC - 5400 rpm - buffer: 16 MB Toshiba MK4026GAX 40 GB 2.5-inch IDE Hard Drive General features: 40 GB formatted capacity UDMA/100 transfer rate IDE interface 5400 RPM spindle speed 16 MB buffer S.M.A.R.T technology Low power consumption Fluid Dynamic Bearing (FDB) 12 ms average seek time 5.55 ms average latency 512 bytes per sector 88.8k track density 16 logical heads 2 disks 4 heads