Ending today, TigerDirect offers the Crucial 128GB M4 2.5" Serial ATA 6Gb/s Internal SSD Solid State Drive, model no. CT128M4SSD2, for $99.99. This $20 mail-in rebate cuts it to $79.99. With $2.29 for shipping, that's $0.64/GB and the lowest total price we could find by $18, although it was $2 less in September. It features read speeds of up to 500MB/s and write speeds of up to 175MB/s. Deal ends today.