Transcend 2TB Thunderbolt USB 3.0 External Hard Drive for MAC (TS2TSJM300)
124mb and 125mb read / write
I need a fast SSD - HOWEVER all the new SSDs all come with USB C or Thunderbolt 3. Which means when connecting I will not feel the speed benefit per pound spend because I will have to connect to either USB 2 or Thunderbolt 2.
So I found this.
Transcend JetDrive 855 480GB Thunderbolt NVMe Pcle SSD Upgrade Kit for Mac
Compatible with MacBook Air 11" & 13" (Mid 2013 - 2017), MacBook Pro Retina 13" & 15" (Late 2013 - Mid 2015), Mac mini (Late 2014), and Mac Pro (Late 2013)
Up to 1,600 MB/s read; 1,400 MB/s write
Do you think for the £229 it will be a worthwhile purchase???
Connecting to T'bolt will help give you more speed, regardless of the version.
5200rpm drives are unacceptable (too slow) for video editing. You'd get faster results with a dual drive, 7200rpm RAID 0. I have one that is USB 3.0 at the TV station where I work, and it is WAY faster than the single SSD T'bolt drive I have connected. So SSD by itself doesn't mean all your troubles are solved. A dual 7200rpm drive RAID 0 unit would probably be cheaper than an SSD, faster, and you'd get more storage capacity.