The HP/Compaq Pavilion Notebook HDX X18-1100EO uses memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

Need Assistance? Please call and speak with one of our expert technicians at 800-240-8577 or US 404-935-4048 to verify exact system specs before ordering.
Memory Type
Base Memory 1 GB (Removable) or 2 GB (Removable) or 4 GB (Removable) or 6 GB (Removable)
Upgrade Slots 2 Sockets
Maximum Memory 8 GB (4GB max with current products)
Maximum Module Size 4GB
CPU & Chipset ~
Bus Architecture USB
Notes MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode, if supported. If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). Maximum configurations require a 64-bit operating system.
Manufacturer Part Numbers
  • FU773EA

We currently do not offer any upgrades or upgrades are currently unavailable for purchase online. Please contact us to order upgrades for this device.