Not much turning up I'm afraid.Anyone know anything about these? Applied Engineering Transwarp/TW 6400 from 1993. Looks like it’s 33MHz
From here: https://archive.org/details/macworld00unse_88/page/40/mode/2up?q="Transwarp+6400"
This line of 68040 accelerators fits the Macintosh llsi, llci, llvi, llvx and Performa 600 and has models that run at 25MHz, 33MHz, and 40MHz. The card plugs into the PDS and comes with a 128K cache. The llsi version requires an adapter. 25MHz with FPU $999; 33MHz with FPU $1199; 40MHz with FPU $1499; llsi adapter $49. Applied Engineering, 214/241-6060, 800/554- 6227; fax 214/484-1365