File:Notch position between DDR and DDR2.jpg - Wikimedia Commons
1GB RAM Memory for NEC Versa L Series Versa L1101 Black Diamond Memory Module DDR SO-DIMM 200pin PC2700 333MHz Upgrade System Specific Memory - Newegg.com
Guida essenziale alla RAM server: DDR3, DDR4 e DDR5 | Comunità FS