Ramtop's Retro Devices Homepage
Low-cost, high compatibility SD card interface and 64K memory expansion for the Acorn Electron.
Advanced, high-performance SD card interface for the Acorn Electron. Featuring 128K RAM and a 9-pin joystick port.
SD card interface and 16K RAM expansion cartridge for the Acorn Electron fitted with the Acorn Plus 1 expansion box.
SD card interface cartridge for the Acorn BBC Master, designed for high perfofmance and simple installation.
A modern 32K memory expansion cartrigde for the BBC Master and Acorn Electron with Plus 1 expansion.
A modern turbo card for the Acorn Electron, fully open source. Up to 3.3x faster than a stock Electron.
These devices have been discontinued and replaced
The very first device I ever sold for retro computers.
A slightly improved version of the previous Mk1 interface.
Immediate predecessor of the ElkSD64, my first attempt at something that didn't look like a hobby project!
The original version of the ElkSD-Plus 1, retired in favour of the higher performance rev 2 version.