Amazon offers Prime members the Silicon Power S60 120GB Serial ATA 6Gb/s 2.5" Internal SSD, model no. SP120GBSS3S60S25, for $31.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.09.) That's $6 under our mention from Black Friday week and the lowest total price we've seen. (It's a current low by $8.) It features read speeds of up to 520MB/s and write speeds of up to 460MB/s.