4 x DIMM, max. 16GB, DDR2 1200 / 1066 / 800 / 667 MHz, non-ECC, un-buffered memory
Dual channel memory architecture
*Refer to www.asus.com or this user manual for the Memory QVL(Qualified Vendors Lists).
*When installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.