Universal 12.7mm 2nd HDD SSD Hard Drive Optical bay Caddy Adapter for iMac swap GA11N DVD-RW. for iMac swap GA11N DVD-RW ;. The optical bay caddy brings you new maximum data storage flexibility. With the second HDD/SSD in your Laptop ODD slot, You can speed to backup important applications and critical data ( Simply remove your CD-ROM drive and put the Caddy (with the added hard drive) in its place;. ).
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