4GB Total. 2 x 2GB PC2-3200 DDR2-400 240 pin Registered ECC DIMM. 
 
SERVER MEMORY - DO NOT BUY FOR STANDARD DESKTOPS.
 
Compatible with:

Gateway Server 9415, 9515, 9715, E-9415R, E-9510, E-9510T, E-9515R

Warranty: Lifetime

Support: Email us through eBay or call us Toll Free at 1-800-634-4719.

Payments: We prefer Paypal. If you wish to pay by credit card please call us Toll Free at 1-800-634-4719.

Memory expert since 1990. All parts are tested and guaranteed compatible.

No hassle exchanges. Brand name parts only-No unknown and overclocked parts.

Quick shipping.