It does, though, mean that a failure of either drive will result in loss of data. This makes both drives look to OS X like a single drive, with data spread across the two. There’s a choice of RAID 0, RAID 1 and Span. Once secured, you need to set three DIP switches to tell the unit which mode you want. The instructions suggest you hold the unit in your hand to press the drives flat against the bottom-plate while doing this, which is easy to do. Once the drives are in place, flip the unit upside-down and insert the four screws which attach each drive. You do have to press down a little more firmly on the right-hand drive, which sits on top of a clip holding two cables, but it’s a simple, 10-second job. Simply place each one loose in the caddy, line up the SATA connection with the slots and push firmly into place. Remove these, and the silica gel packet, and you can then slot in the two drives. Inside, OWC supplies the eight Philips screws you need to secure the two drives in the caddy. Undoing two Philips screws on the backplate allows you to slide out the innards. If you can use a screwdriver, your skill-set is complete. Installing drives into the enclosure is trivial even for non-technical types, thanks to the extremely comprehensive instruction booklet with clear, step-by-step photos. #Power supply for mac mini 2014 portableThis is an external enclosure for two 2.5-inch drives, which supports both USB 3 and Firewire 800, drawing power from either source – making it a portable drive without the need for external power … I could have placed each into its own external drive caddy, but one 2TB drive is more useful than two 1TB ones, so I decided instead to try out OWC’s Mercury Elite Pro mini. When that finally happened, and I did the upgrade, that gave me two 1TB hard drives surplus to requirements. #Power supply for mac mini 2014 upgradeAlong with a RAM upgrade, that gave me a 16GB RAM, 2TB hard drive machine. The plan was to use the machine in that form for a year or two, then do a further upgrade to SSDs once 1TB models arrived and fell to a halfway sensible price. I’d previously swapped out the 750GB hard drive and optical drive that came with my late-2011 MacBook Pro 17 for two 1TB hard drives. This is especially true of the pre-Retina MacBook Pro models, where it’s trivial to upgrade both the RAM and the drive. One of the reasons I like Macs is that their useful life tends to be significantly longer than that of a typical Windows machine.
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