TigerDirect offers the Crucial 512GB M550 Serial ATA 6Gb/s 2.5" Internal SSD, model no. CT512M550SSD1, for $199.99 with free shipping via the directions below. That's $21 under our expired mention from three days ago and the lowest total price we could find now by $20. It features read speeds of up to 550MB/s and write speeds of up to 500MB/s. To get this deal:

1. Click here and enter your email to get a coupon for $15 off $100 or more
2. when the email arrives, click the link it contains to activate the discount
3. add the Crucial MX550 512GB SSD to your cart for $249.99
4. the discount will be applied automatically in-cart, to drop it to $234.99
5. apply coupon code "AXB137314" to drop the final price to $199.99