1GB KIT (2 x 512MB) For Gateway E Desktop Series E-4600 SE E-4600 XL E-4650 E-6000 E-6000 Deluxe E-6000L. RIMM RD NON-ECC 800-45 800MHZ 45ns RAM Memory. Genuine A-Tech Brand. 1GB KIT (2 x 512MB) RIMM RD NON-ECC 800-45 800MHZ 45ns RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Gateway E Desktop Series. (See Compatibility List Below)