Ahead in this article, I’ll be testing the actual speeds and actual performance with my own equipment. Not only is this more than enough for multiple layers of realtime uncompressed 1080p, mathematically it is also enough for multiple layers of true 4K (4096 x 2160) using ProRes 422 HQ. The capital B indicates that these are megabytes per second, not megabits per second. OWC states that the ThunderBay IV 4-bay 12TB Thunderbolt system offers sustained reading speeds of 894MB/s (using software RAID) and writing speeds of 863MB/s. There are electronics in the enclosure that convert the SATA ports on the removable drives to Thunderbolt on the back. There is a locking faceplate to keep the drives secure. OWC says that the enclosure protects the four internal drives while keeping them cool thanks to its “superior heat dissipation”. The ThunderBay IV has an aluminum enclosure. Which drives is OWC bundling with this unit? They are Toshiba DT01ACA300 7200 rpm 3.5 inch hard disk drives, with a SATA interface. Since the ThunderBay IV 4-bay 12TB Thunderbolt system comes with four drives, a very quick mental calculation indicates that each drive must be 3TB each, and that’s how the total capacity (when unformatted) is 12TB. modification of some iMacs to offer eSATA before Apple added Thunderbolt) here in ProVideo Coalition magazine and once interviewed the CEO in one of my podcasts. The company has been providing quality hardware products and support to the computer industry since 1988, and I have covered some of its products and services (i.e. Ahead I review the various available configuration options (JBOD, RAID 0, RAID 0+1, RAID 4, RAID 5) and compare their performance versus redundancy, logistical benefits of each one, and more.įor those unfamiliar, OWC is the short name for Other World Computing, sometimes referred to via its URL (). ![]() OWC offers other configurations too, with smaller or larger capacity, and now even some with Thunderbolt 2. Back in June, I published my first look article on the ThunderBay IV 4-bay 12TB Thunderbolt system with the palindromic price -in this configuration- of US$979, which has since been lowered to US$959.
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