Ultrasatan is a hard disk replacement for Atari 16-bit computers.
The device is confirmed to work with Atari ST/STE/TT - TOS 1.4 or higher recommended.
The device uses two SD card slots, where each card is recognized as different ACSI device in chain.
View the embedded image gallery online at:
http://magnus.myftp.org:8080/joomlaCMS/index.php/atari/atari-1040-ste/ultrasatan#sigProId8aefbe82a0
http://magnus.myftp.org:8080/joomlaCMS/index.php/atari/atari-1040-ste/ultrasatan#sigProId8aefbe82a0
Video of how I setup my UltraSatan with a SD-card.