Memory Size: 4GB (2x 2GB Modules) ^^
Memory Type: DDR2 SODIMM Memory RAM for Laptop, Notebook, & All-in-One Computers ^^
Speed: DDR2 800MHz PC2-6400 ^^
ECC Type: Non-ECC Unbuffered ^^
Pin Count: 200-Pin ^^
Voltage: 1.8V ^^ Designed for Select (not limited to) Acer, Alienware, Apple, ASRock, ASUS, Dell, DFI, Fujitsu, Gateway, Gigabyte, HP, HP Compaq, Intel, Lenovo, LG, MSI, Panasonic, QNAP, Samsung, Sony, Supermicro, Synology & Toshiba Laptop, Notebook, & All-in-One Computer Models ^^ All A-Tech modules undergo stringent quality assurance testing to ensure high performance and reliability ^^ A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase