Tag: 35kb
2 matching upgrades
Showing 2 products.
| Status | Product | What it does | Compatibility | Links |
|---|---|---|---|---|
| AvailableChecked Jul 29, 2026 | VIC-20 Configurable RAM and ROM Cartridgesby Jaystonian, Retro Lemon, and community designers | Provides switch-selectable VIC-20 memory layouts with current assembled 35 KB and 37 KB cartridges plus an open 32 KB design. Jaystonian showed eight HyperExpander SMD cartridges in stock at USD 29.99 on 2026-07-29. Retro Lemon exposed a GBP 20 product page without an out-of-stock marker. The open 32 KB project remains buildable. The guide's old fixed 24 KB eBay listing is retained only as an archive because its current order path was not verified. |
| Retro Lemon 35 KB RAM and ROM cartridgeBuy the 37 KB HyperExpander SMDOpen 32 KB RAM cartridge projectArchived fixed 24 KB cartridge entrySearch eBay for VIC-20 RAM expansion cartridges |
| AvailableChecked Jul 29, 2026 | VIC-2407 Real-Time Clock and RAM Cartridgeby Jaystonian's Retro Shop | Combines switch-selectable 35 KB VIC-20 RAM expansion with a battery-backed real-time clock and 115 bytes of persistent user memory. Tindie showed eight cartridges in stock at USD 49.99 on 2026-07-29. A CR2032 is expected to last about two years and is replaceable. The alarm interrupt and square-wave outputs are exposed only as through-holes, not as finished external connections. Sources |
| VIC-2407 product pageDS12885T+ data sheet |