Seagate ST9408114A 40GB UDMA/100 5400RPM 8MB 2.5-Inch Notebook Hard Drive Seagate Momentus ST9408114A 40 GB IDE 2.5-inch Notebook Hard Drive General Features: 40 GB storage capacity UDMA/100 5400 RPM spindle speed 8 MB buffer 5.6 ms average latency 12.5 ms random read seek time 14.5 ms random write seek time Low power consumption Quietstep ramp load technology 2.5-inch form factor 9.5 mm drive height Power Specifications: +5V, 0.42A