I have a Late 2012 iMac with with two Thunderbolt 1 ports. I recently bought a Samsung 850 Pro 256 GB SSD that gets 430 MB/s reads and 400 MB/s writes on the Blackmagic Disk Speed Test, and I've been wondering what speeds I might get if I were to buy one or more additional SSDs and configure them as RAID 0. I've seen all kinds of reviews for various 2 or 4 bay enclosures using RAID 0 and Thunderbolt 2, but I'm having a hard time finding people who have data on using these same enclosures with Thunderbolt 1. I even tried asking OWC, which posts theoretical transfer speeds for T2 for their Thunderbolt enclosures what I could expect for T1, but they didn't have any metrics. If anyone out there has a Mac/iMac/MB with T1 and a Thunderbolt enclosure with at least two bays, let me know what enclosure you have, what SSDs you are using, whether you are using the built-in software RAID or something else, and what your read/write speeds are.