AFAIK there are no tablets with:
- 1920 x 1080 screen, and
- 16+ GB memory, and
- i5 or i7 processor, and
- dedicated nVidia video card with 1+ GB VRAM, and
- at least two SSD's, and
- an eSATA or USB3 port.
So, the simple answer is, forget it.
I found you a candidate. It is a Panasonic Toughpad 4K UT-MB5025SEM Tablet PC
- As a 4K device it has more than enough resolution at 3840 x 2560 pixels and in a 20" IPS panel
- It is a little short on Memory, only 8 GB
- An Intel Core i5 i5-3437U 1.90 GHz, only a dual core but it is hyperthreaded.
- NVidia GT 745M with 2 GB dedicated VRAM.
- It only has one SSD a 256 GB unit and,
- A USB3 port,.SD card (SDXC), headphone/speaker jack and docking connector
A little marginal but what can you expect for only $5200
You will not find much information regarding running Adobe Premiere Pro on a pure dedicated tablet since pure tablets are small, light, power efficient and as a result are dreadfully slow as compared with laptop and PC configurations.
So, if you truly must run Premiere on a tablet form factor look for a combo tablet / laptop form factor (include a tablet and docking keyboard or sometimes what looks like a laptop that has a removable keyboard - for example HP Envy x2) or an all-in-one PC that includes multi-point touch (range is size from tiny to pretty large, like the model Bill Gehrke mentions above - for example Dell XPS 18 portable all-in-one portable touch-screen computer).
Realize too that even the best, fastest tablets are a compromise vs. a heavy duty laptop, and a heavy duty laptop is a compromise vs. a full size PC / workstation.
You should probably mention what your planned media and workflow are too. Single layer DV is pretty easy, AVCHD is much harder, and GoPro and 4k+ are much harder still.
No tablets around that Adobe products use without a lot of pain. The closest is the Microsoft Surface Pro which has an i7 CPU, 8GB RAM and a SSD. There are others around that have close to that configuration - Wacom has an i7 tablet that is a very good graphics competitor to the Surface. I have the Surface Pro V2 which has the i7- wouldn't want to render with this machine.