This HP® 451400-001 compatible 2GB DDR2-800MHz Dual Rank Unbuffered 1.8V 200-pin CL6 SODIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. All our memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. Our products are also guaranteed by federal law to not affect or void OEM warranties.

• 2 GB memory allows you to have more programs open at a time
• DDR2-800/PC2-6400 interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
• 800 MHz of memory speed with Unbuffered signal makes your computer perform like an athlete