4GB DDR3-1333 RAM Memory Upgrade for The Compaq HP Presario CQ56-115DX (Genuine A-Tech Brand) at Amazon.com
Best Buy: Compaq Presario Laptop / AMD V-Series Processor / 15.6" Display / 2GB Memory / 250GB Hard Drive Basic Black CQ56-115DX
8GB 2X4GB RAM Memory for Compaq Presario CQ Series CQ56-201NR Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade System Specific Memory - Newegg.ca
Trying out (for science) Windows 11 on a 15 year old Compaq Presario V3000, what's most probably the oldest Intel based laptop that can technically run it (earlier ones either don't support
Compaq Presario CQ56-219WM - Intel Celeron 900 / 2.2 GHz - Win 7 Home Premium 64-bit - GMA 4500M - 2 GB RAM - 250 GB HDD - DVD SuperMulti - 15.6" HD BrightView 1366 x 768 (HD) - Walmart.com