Guaranteed compatible upgrades for:

HP/Compaq Pavilion dm1 Series Notebook dm1-4020sd

System Specifications
Maximum Memory:
  • 6GB
  • 2 Sockets
Standard Memory:
  • 2GB (Removable)
  • 4GB (Removable)
  • 6GB (Removable)
  • AMD E-Series APU 1.65 GHz
Bus Architecture:
  • SSD - SATA 2.5-inch 9.5mm; USB 2.0/3.x Type-A
Mfr's System P/N's:
  • QJ523EA
Upgrade Path:
  • A configuration up to 6GB can be reached using 4GB module.