Ending today, Buy via eBay offers the Samsung 850 Evo 500GB Serial ATA 6Gb/s 2.5" Internal SSD for $149.99. Checkout via PayPal and apply coupon code "C15FATHERSDAY" to drop it to $134.99. With free shipping, that's $14 under our expired mention from two days ago and the lowest total price we've seen. (It's a current low by $43.) It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.