Amazon offers the Samsung 850 EVO 500GB Serial ATA 6Gb/s 2.5" Internal Solid State Drive, model no. MZ-75E500B/AM, for $199.99 with free shipping. (Rakuten charges the same.) That's $11 under our mention from three weeks ago and the lowest total price we could find by $20. It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.