As one of its daily deals, Cellular Factory offers this Internal Optical Drive to 2.5" Serial ATA Hard Drive Converter Case for Apple MacBook Pro
. Coupon code "5ZJZN7" bags free shipping
. That's $3 under the lowest total price we could find for a similar model. This case converts an optical bay into a hard drive bay and is compatible with the Apple MacBook Pro 13", 15", and 17" laptops and more. Deal ends January 25 at 3 pm ET.