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: 667 Internal memory: 4096 Internal memory type: DDR2 Memory layout: 1 x 4096 CAS latency: 5 Memory voltage: 1.8 ECC: Y Registered: Y Memory bus: 72 Lead plating: Gold Module configuration: 512M X 72 Chips organisation: X4 Form factor: 240-pin DIMM Memory ranking: Dual Rank