Kingston Technology is the world?s independent memory leader and is well-known for providing high quality memory products at an attractive price. System Specific memory modules are designed and tested in the relevant systems prior to release; and they are guaranteed to be 100% compatible with your system. All Kingston System Specific memory come with a lifetime warranty. Memory clock speed: 667 Internal memory: 8192 Internal memory type: DDR2 Memory layout: 2 x 4096 CAS latency: 5 Memory voltage: 1.8 V ECC: Y Registered: Y Memory bus: 72 Lead plating: Gold Module configuration: 512M X 72 Compatibility: S26361-F3263-L524 (Fujitsu); S26361-F3263-L624 (Fujitsu) Bus clock rate: 667