newegg offers the refurbished Crucial M4 512GB Serial ATA 6Gb/s 2.5" Internal SSD, model no. CT512M4SSD2, for $299.99. Coupon code "EMCYTZT4463" cuts it to $259.99. With free shipping, that's $0.51/GB, $90 under our April mention of a new unit, and the lowest total price we've seen for this SSD. (It's also $123 below the price of a new one now.) It features read speeds of up to 500MB/s and write speeds of up to 260MB/s. A 30-day Crucial warranty applies.