1GB Total memory using 1PC 1GB 533MHz Module 240pin dimm DDR2 4200. This module is non ecc.
This Computer will work with 533MHZ PC4200
Lifetime warranty for exchange.
We don't use OEM or Generic modules to avoid incompatibility issues.
Guaranteed to work or you get all of your money back including shipping.
Max Memory 4GB
Sockets 4

Compatible with:
Acer Aspire AST690-UP820A, AST690-UP925A, E380-UD500A

MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode.

If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).

* A 64-bit Operating System is required to utilize more than 4GB of memory.