Add a Second Hard Drive to your laptop using your laptop's optical drive bay. This is a great solution for those that want to add a second hard drive in their laptop. This device / caddy will fit in a "standard" CD/DVD/Optical drive bay found in laptop computers. Simply pull out your CD/DVD drive and replace it with our OBHD Optical Bay 2nd Hard Drive caddy. This is a really sharp-looking well-engineered product. Please note that this hard drive caddy will fit "standard"/"universal" CD/DVD/Optical Drive bays.