Adorama Camera offers the Crucial M500 240GB Serial ATA 6Gb/s Internal SSD, model no. CT240M500SSD4, for $127.99 with free shipping. That's the lowest total price we could find by $10. It features up to 500MB/s read speeds and 200MB/s write speeds.

Also available is the Crucial M500 480GB Serial ATA 6Gb/s Internal SSD, model no. CT480M500SSD4, for $259.99 with free shipping. That's the lowest total price we could find by $49. It features up to 500MB/s read speeds and 400MB/s write speeds.