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Disk Speed Test is an easy to use tool to quickly measure and certify your disk performance for working with high quality video! Simply click the start button and Disk Speed Test will write test your disk using large blocks of data, and then display the result. Disk Speed Test will continue to test writes and reads from your disk so you can evaluate both performance and readability over time.
Improve UI to support faster disks.
Valoraciones y reseñas
I spent quite some time trying to think about the proper configuration for my Hard Drives. I was wondering if a USB3 RAID 0 would give any improvements and if it would really be worth it or of any use creating a RAID on USB3.0 on a MBPr (Late-2013, Qi7/16/SSD).
Found some stuff on internet and then this one.
The answer?… wow! - Very useful to prove theory.
I created the RAID using two LaCie Porsche P’9233 3TB Drives.
I tested them alone, giving me 180 / 190 MB/s for Write/Read respectively. That’s not the best, but it’s fine. They are operating on the board controller and for most use is quite enough. (This translates to 1.4 Gb/s, where is USB3 spec of 3/5Gbps?)
This drive is a desktop one, my other portable USB3.0 Drives (WD Elements, Porsche P’9220, etc.) gave me a poor measurement of 20-70 MB/s on write, being the LaCie (P’9220) the fastest with 76.4 MB/s and 26MB/s the slowest (WD Elements).
I also noticed that using a Kanex Thunderbolt Adapter to USB3.0 kinda stabilizes the drive, operating at its full speed. Where all my drives measured their “top” speed at around 75MB/s write.
Then, my MBP SSD measured the nice speed of 640MB/s - But that’s an internal SSD, quite utopic isn’t it?
After creating the RAID 0 using two P’9233 drives, I measured it again. And as the math implies, with RAID 0 and 2 drives you should get double the speed (varying on conditions and chunk size right?) Happily this happened and I measured around 370MB/s (2.96Gbps).
This can prove that a USB3 RAID0 is really possible and even decisive when your purpose is to edit video.
All the tests were performed using a 5GB load, the RAID was created with a 256K chunk size (since this is for video a large chunk size is needed)
That’s all. Now I know what can I do with these drives and what I can’t. (In theory haha)
Is quite useful to quickly get your answers and guides. (Results may vary)
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