NEW 500GB Hard Drive for Dell Dimension E310 E310n E510 E520 E521&nbsp;8400 9100 9150 Desktop Interface: SATA, Capacity: 500GB, RPM: 7200RPM, Cache: 32MB/64MB, Speed: or 6.0Gb/s Package Include: Brand NEW 500GB 7200RPM 32MB/64MB Hard Disk Drive This Product Has 3 Year Manufacturer Warranty And 30 Days Money Back Guarantee