Patriot Signature DDR2 800MHz Non-ECC Unbuffered SO-DIMM PATRIOT PART # DESCRIPTION PSD22G8002S Patriot Signature DDR2 2GB CL5 PC2-6400 (800MHz) SODIMM PSD21G8002S Patriot Signature DDR2 1GB CL5 PC2-6400 (800MHz) SODIMM Patriot Signature DDR2 800MHz Non-ECC Unbuffered SO-DIMM is designed to support high performance notebook and mobile systems. Patriot SO-DIMM memory modules are fully tested and validated at 800MHz (PC2-6400) to ensure reliable performance and compatibility. These memory modules are perfect to meet the needs of those requiring memory upgrades. Features PC2-6400 (800MHz) Data Rate 200-Pin Dual in-line memory module Non-ECC Unbuffered 2 Rank Double-sided module 7.8US Refresh Interval (8192 CYCLES/64MS) 1.8V Power Requirement Auto and self refresh capability PCB height: 1181(mil) Serial Presence-Detect (SPD) 100% Tested Lifetime Warranty RoHS Compliant S P E C I F I C A T I O N S SPEED CAS LATENCY VOLTAGE SETTINGS 6400 5 1.8