Kingston Technology is the world's independent memory leader and is well-known for providing high quality memory products at an attractive price. Kingston ValueRAM is your best source for industry-standard memory to maximise the performance and productivity of your system. Built with A-grade components only, Kingston ValueRAM memory modules come with a lifetime warranty. Memory clock speed: 1066 Internal memory: 4096 Internal memory type: DDR3 Memory form factor: 240-pin DIMM CAS latency: 7 Memory voltage: 1.5 ECC: N Registered: N Memory bus: 64 Lead plating: Gold Module configuration: 512M X 64 Rack mounting: 240-pin DIMM