2 x DIMM, Max. 4 GB, DDR2 1066*/800/667 Non-ECC,Un-buffered Memory
Dual Channel memory architecture
*Refer to www.asus.com or user manual for Memory QVL (Qualify Vendor List)
**When installing total memory of 4GB capacity or more, WindowsR 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.