Sandy Thru-Con 512K RAM Card

A 256K or 512K memory expansion unit with through connector, from Sandy. Used fast access D-RAMs (150ns) and said to be compatible with any floppy disc interface card.

The 512K unit was created by adding a 256K daughterboard to the existing 256K memory expansion unit (as can be seen in the picture).

Title: Sandy Thru-Con 512K RAM Card
Interface Type: RAM Expansion
Connection: Sinclair QL Expansion Port
Through-Connector: YES
Manufacturer: Sandy
Year First Sold: 1985
Original Price: £129 (256K), £209 (512K)
Download Manual: Unknown