When ordering from the US, parcels may be subject to import tax and duty charges, which the buyer is responsible to pay.

GGLABS GRAM/4D Commodore 64/128 4096K memory expansion 4MB geoRAM clone NOT REU

This product data sheet is originally written in English.


Brand new GGLABS GRAM/4D (geoRAM clone with 4MB of DRAM) for commodore 64 and 128.
The cartridge adds 4096KB of RAM to the commodore 64/128. Requires geoRAM aware software. Please note that GEOS 2.0r can only address 2MB. To see the full 4MB in GEOS you will need GEOS 2.0rplus, GEOS mp3 or Wheels.
A suitable GEOS image can be downloaded on the GGLABS website.
Programming information is freely available on the web.



If tracking is desired, please consider using International Standard which is significantly faster and provides door to door tracking to Canada, Australia, Japan, South Korea, Israel, New Zealand, Singapore, Hong Kong and most European countries. The destination country may charge customs duty and/or VAT. These charges are out of our control and must be paid by the buyer to their own government.

TrackingEstimated Delivery Refund/resend After
First class (USA) Good 3-10 days3 weeks
Priority Mail (USA) Very Good 2-5 days2 weeks
Priority Mail Express (USA) Excellent 2-3 days1 week
International Economy None 3-8 weeks10 weeks
International Standard Good/None 2-4 weeks6 weeks
UPS International Saver Excellent 3-6 days2 weeks
Brand new GGLABS GRAM/4D (geoRAM clone with 4MB of DRAM) for commodore 64 and 128. The cartridge adds 4096KB of RAM to the commodore 64/128. Requires geoRAM aware software. Please note that GEOS 2.0r can only address 2MB. To see the full 4MB in GEOS you will need GEOS 2.0rplus, GEOS mp3 or Wheels. A suitable GEOS image can be downloaded on the GGLABS website. Programming information is freely available on the web. If tracking is desired, please consider using International Standard which is significantly faster and provides door to door tracking to Canada, Australia, Japan, South Korea, Israel, New Zealand, Singapore, Hong Kong and most European countries. The destination country may charge customs duty and/or VAT. These charges are out of our control and must be paid by the buyer to the
MPN GRAM/4D
Brand GGLABS
Compatible Brand For Commodore
Country/Region of Manufacture United States
UPC Does not apply
Type Memory