Kingston Technology offers extremely reliable, high-performance desktop memory. Every module is customised and tested to meet the exact specification requirements of each system. Kingston memory can increase the processing power of your desktop. It\'s guaranteed to be compatible and offers a great cost-performance benefit plus better multitasking, faster processing of multimedia files and smoother video streaming. For added peace of mind, Kingston memory is backed by a lifetime warranty, free technical support and legendary Kingston reliability. Expertise - From the industry leader in PC memory Superior quality and testing - All components are qualified and all modules are tested at all stages of production. Guaranteed compatibility - Kingston memory is guaranteed to be compatible with the system for which it\'s designed. Lifetime warranty and free technical support Kingston system-specific memory for Acer, Dell, Fujitsu, Gateway, HP, Lenovo, Medion, NEC and Samsung desktop computers (please make sure to always check the system and memory compatibility). Specifications Memory CAS latency 11 Component for PC/server ECC No Internal memory 4 GB Internal memory type DDR3 Lead plating Gold Memory bus 64 bit Memory clock speed 1600 MHz Memory form factor 240-pin DIMM Memory layout (modules x size) 1 x 4 GB Memory ranking 1 Memory type PC-12800 Memory voltage 1. 5 V Module configuration 512M x 64 Package type DIMM Registered No Replacement for A7398800 (Dell); 0A65729 (Lenovo); 888015710 (Lenovo) Unbuffered memory Yes Other features Chips organisation x8 Number of pins 240 System requirements Linux operating systems supported Yes Mac operating systems supported Yes Windows operating systems supported Yes