This DDR2 memory module meets the needs of high data transmission performance for game players. High memory frequency up to 667MHz creates a super high speed data transmission. Furthermore, 4GB RAM makes sure a stable and smooth game playing experience. Features: 4GB RAM - Large memory up to 4GB RAM ensures the stability and smoothness of data transmission. 667MHz Frequency - 667MHz frequency makes data transmission super fast. Gives a great gaming experience. Designed for A/MD. 240PIN - Adopting 240PIN to achieve high anti-interference and antistatic properties. Plug and Play - Supports plug and play. No driver required. Specifications: Product type: RAM DDR2 4GB Memory: 4GB PIN: 240PIN Frequency: 667MHz Suitable: For desktop computer Suitable: For A/MD Voltage: 1.8V Bandwidth: PC2-5300 Package size: approx. 15 * 6 * 1 cm/ 5.9 * 2.4 * 0.4 in Package weight: 26g/ 0.9oz Package List: 1 * RAM DDR2 4GB Note: If the motherboard is equipped with DDR2 interface and the CPU is suitable for A/MD, this product is compatible with your device. But if the motherboard is too old, and the motherboard does not support 4G memory, this product is not suitable for your device. [Large memory] This memory module has a large memory up to 4GB RAM to ensure the stability and smoothness of data transmission. [667MHz frequency] This memory module uses 667MHz frequency to make data transmission super fast. Provide an excellent gaming experience. [240PIN] This memory module uses 240PIN to achieve high anti-interference and anti-static performance. [Plug and Play] This memory module supports plug and play. No driver is required. [Scope of application] This memory module is specially designed for A/MD.