M-16 Memory Module Byte-Back Co Platform(s): ZX80 TS 1000 Model: M-16 Price: $69.95 Rarity: uncommon Stackable with Sinclair RAM or other M-16 modules to 48K. Advertisements SYNC v2 n4 p. 14 Gallery Tags RAM, Byte-Back Co, TS 1000, ZX80 People No people associated with this content.