0A26305 Hitachi Travelstar 4K120 HTS421240H9AT00 Hard Disk Drive 0A26305 Hitachi Travelstar 4K120 HTS421240H9AT00 40 GB Notebook Hard Drive General Features: 40 GB storage capacity IDE interface UDMA/100 4200 RPM spindle speed 8 MB buffer 7.1 ms latency average 11 ms average read seek time 2.5-inch form factor 9.5 mm drive height Power Specifications: +5V, 1.0A Regulatory Approvals: CE cULus C-Tick BSMI TUV MIC WEEE RoHS compliant