These modules are identical, coordinated modules and therefore ideal for use in the same notebook. By operating in dual channel mode, you can use the data throughput significantly
For all DDR2 notebook
Bus Clock: 800 MHz PC2-6400 (backward compatible with 667 MHz PC2-5300)
Pin Number: 200
CAS Latency: CL6
for: Imac Intel Core 2 Duo 20in/24in
for: MacBook (DDR2) 13in.