RA60 Disk Drive

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An open RA60

205 MB SDI HD, 1300 KB/s, 50 ms average access, 41.7 ms average seek, 6.7 track-to-track seek time, 3600 rpm

It's a removable disk too.

4.3 BSD disktab

ra60|RA60|DEC RA60 Removable:\
    :ty=removable:ns#42:nt#4:nc#2382:\
    :pa#15884:ba#8192:fa#1024:\
    :pb#33440:pc#400176:\
    :pg#82080:bg#4096:fg#512:\
    :ph#268772:bh#4096:fh#1024: