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
• 200-pin-pin DDR2-800/PC2-6400 operates at up to 400 MHz data bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation
• 800 MHz of memory speed makes your computer perform like an athlete