Cas Latency: 5 Timing: 5-5-5 ECC: No Buffered/Registered: Unbuffered Multi-channel Kit: Dual Channel Kit Heat Spreader: No Features: PNY Memory is the perfect upgrade to boost the performance of your PC, for casual gaming or your Windows 7 experience. PNY memory upgrades improve the overall system performance for an outstanding value with speeds and densities compatible with all popular desktop and notebook PCs. PNY manufactures DDR2 memory upgrades rated at PC2-3200, PC2-4200, PC2-5300 and higher. They are compatible with desktop and notebook computers and processors including Intel's Pentium, Celeron, Centrino, AMD's Athlon and Sempron Socket AM2 processors, and others. PNY upgrade modules are compatible with systems from Apple, Compaq, DELL, Gateway, HP, IBM and over 5000 other systems. Boost the pe...