Other World Computing’s ThunderBlade V4
Thunerbolt 3 external computer drive. It’s uses 4 M.2 SSDs and can be configured in multiple RAID configurations. If used as a RAID0 configuration it’s one of or the fastest consumer grade external storage devices in the word.
Other World Computing’s MEPD
Other World Computing’s ThunerBay 4 & 6
Tolteq MWD Products
Tolteq was sold to NOV several years ago, so the design might have changed a bit.
Tolteq iSeries Directional Module
Tolteq iSeries Pulser Ruggedized Gamma Module
Otis Instruments Various Products