ElCheapoSD for Atari Lynx lets you play ROMs and home-brew games from an SD card. Store all your favorite games on a single SD card and choose what you want to play via a menu on your Lynx.

Features -

• Near-instant load times for most ROMs
• ROM size up to 512kbyte (256 blocks)
• LNX, LYX and O (BLL) format ROMs
• 128b (1024 bit) 93C46 EEPROM saves
• Firmware upgradable via the SD card, we ship ElCheapoSD carts with the 0.08 firmware pre-installed
• FAT32 SD card format
• Black 3D printed PETG shell/casing
• Spring loaded SD card mechanism for easy release
• Curved lip design just like the original Atari Lynx game cartridges
• Works in both Lynx model 1 and model 2

Note: In 2025 the shell/case was changed to a 3D printed version made out of PETG plastic.

Note: You will need a compatible SD card to use this cartridge, 8Gb cards are recommended for maximum compatibility. We sell a SD card that is pre-loaded with our latest Menu Loader and a great selection of homebrew ROMs, and is guaranteed to be compatible with the ElCheapoSD.

Note: Slight variations in colour and pattern can occur due to the nature of the 3D printing process used for the cartridge shell/casing.

Options for purchase - We offer a number of purchase options for the ElCheapoSD -

• Bare bones - Just the cartridge itself, in it's plastic shell/casing, no sticker, no box, no frills
• Cartridge + Sticker - The cartridge in its plastic shell/casing, with a slick sticker applied over the bare PCB, a more appealing option
• Boxed - Same as the cartridge + sticker option, but comes in a standard sized Atari Lynx game box that includes a stand for the cartridge inside, get this to show off

Get the K-Retro pre-loaded SD card that is guaranteed to work with the ElCheapoSD and save yourself the hassle!