As one of its daily deals, Best Buy via eBay offers the SanDisk 120GB Plus Internal Serial ATA 6Gb/s SSD, model no. SDSSDA-120G-G25, for $39.99 with free shipping. That's the lowest total price we could find by $5, although we saw it for a buck less on Cyber Monday. It features read speeds of up to 520MB/s and write speeds of up to 180MB/s. Deal ends today.