Newegg via eBay offers the Samsung 850 EVO 500GB Serial ATA 6Gb/s 2.5" Internal Solid State Drive, model no. MZ-75E500B/AM, for $179.99 with free shipping. That's $10 under our mention from three days ago and tied with the lowest total price we've seen. (It's also a current price low by $19.) It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.