You’ll notice that they aren’t all the same length, but don’t worry, you won’t be able to put any screw back in the wrong hole — just don’t try too hard!
Instead of installing a new internal flash-based SSD drive, you can use tiny flash-based drives in the shape of camera memory cards.
They plug into the SDXC card slot on your Mac Book Pro.
You can buy direct from OWC or get Transcend’s kits from Amazon.
After you watch the guides, if all this seems too risky for your skills, find a buddy who has done it before — or have your local computer store do it for you.
Moving on, let’s get back to your drive: If you need more storage space on your Retina Mac Book Pro — up to a whopping 1TB — two companies have upgrade kits that can help you do it. Right now, you can get upgrade kits from Transcend or OWC if you have the “Mid 2012,” “Late 2012,” and “Early 2013” Mac Book Pro 13-inch and 15-inch with Retina display models.