The Master Caddy Case for HDD / SSD (5 Pack) from Atomos is a set of 5 master caddies for the Atomos Hard Disk Recorders. It supports standard drives with a height of 0.37" (9.55mm) or slimmer.
2.5" hard disks are the most affordable digital storage on the planet. They outperform SSDs, SD card, SxS and P2 cards in cost and reliability for video use. . Bang for buck you can't beat hard disk for 90% of video shooting. So stock up on your master Caddies now!