Product Detail Product Description WD RE2 WD5000ABYS - hard drive - 500 GB - SATA-300 Type Hard drive - internalFor Dimensions (WxDxH) 4 in x 5.8 in x 1 in Weight 1.3 lbs Capacity 500 GB - NOTE: THIS PRODUCT CANNOT BE SHIPPED TO MASSACHUSETTS OR DISTRICT OF COLUMBIA (WASHINGTON, D.C.) Interface Type Serial ATA-300 Data Transfer Rate 300 MBps Average Seek Time 8.9 ms Spindle Speed 7200 rpm Buffer Size 16 MB Manufacturer Warranty 5 years warranty WARNING: The solder used in this product contains lead, a chemical known to the State of California to cause birth defects and other reproductive harm. Please wash hands after handling internal components and circuit boards and avoid inhalation of fumes if heating the solder. . The "WD RE2 WD5000ABYS - Hard drive - 500 GB - internal - 3.5 - SATA-300 - 7200 rpm - buffer: 16 MB" is best product for you. We recommended WD RE2 WD5000ABYS - Hard drive - 500 GB - internal - 3.5 - SATA-300 - 7200 rpm - buffer: 16 MB