The fastest, easiest and most affordable way to improve your computer's performance and speed is with a simple memory upgrade. A memory upgrade will optimize your computer's performance and speed so you can load applications in seconds, multitask with ease and improve battery life. We ensure high-quality and reliability by thoroughly testing every component with intense workloads and real-world applications, far beyond the industry standard. FEATURES Memory Capacity 4GB Speed 2666MHz (PC4-21300) Error Check Non-ECC Model/Series/Type ValueRAM Module Type DIMM CAS Latency CL19 Form Factor DDR4 Rank 1R (Single Rank) Warranty Lifetime Pins 288 Pin Operating Temperature 0°C to 85°C Memory Voltage 1.2v Memory Depth 512M Product Type/Family RAM Chip Organization x16 Data Width X64