I have been editing forever, but have been in a Pro Res 422 Final Cut (7 and X) multicam world for the last ten years. I am jumping into my first 4K Premiere editing gig, cutting a fundraising trailer for a doc.
So far my client has 8.2 TB of footage, from many different sources and in a few different flavors of 4K, some kosher and some pro-sumer low end stuff. And it's all on a slow USB drive which will soon be a back up storage drive only.
We are looking at 16TB or 20TB drives.
The schedule is tight and transcoding is not going to happen for this phase, so we are going to work native.
She is purchasing the iMac 2017 i7, adding 32GB of RAM for now, and another 32 for phase 2, and getting a new drive.
I recommended the Promise Pegs, because I have found them to be solid and fast, but they are beyond her current budget.
We are deciding between G-raid thunderbolt 2 vs G-raid thunderbolt 3 options, and weirdly, the thunderbolt 3 options appear to be slower in some cases.
Here are two in her price range, which is about $1200, and I am open to other ideas if you have them:
20TB FOR $1299 at B+H with "High-speed data transfers up to 480 MB/s":