Game DVR doesnt work properly with Warframe on One X if played from external storage device

Hello,
im having a bit of an existential crisis here with game capturing on my One X.

The issue is that recodings just are plain out broken with Warframe and only Warframe on the One X, it works lovely one the One S or if stored on the internal HDD of the One X.

I did test an Evo 840 an Evo 850 SSD, 3 different SATA to USB Adapter and a Sandisk flashdrive.

I factory resetted the X etc etc. The only way to get it to work with Warframe is to have it be on the internal HDD. I even set the Xbox to record to a USB instead of the internal Harddrive, nothing changed.

If i press "record that", i get 4 second clips, sometimes 0, a couple 1 second clips ive gotten too. Starting the manual recording function for 2 Min at 1080p results in either, getting around 45 seconds of recording.

or

a notifications a lot later and the clip is just 17 seconds long.

(720p same shtick)

Its baffling that this is only happening with Warframe. Cyberpunk, Red Dead, Monster Hunter just all work normally if theyre stored on the SSD. That was never the case before, well i havent played Xbox basically since christmas last year, but then everything was just working.

Does anyone have this issue too?

:)