Feature: 1. Each chip is selected and tested to ensure good performance, stable and reliable. 2. Support dual-channel, easy to form a dual channel with computer memory. 3. Slim appearance, easy to install. 4. Adopt high-quality PCB board, low power consumption, high efficient operation. 5. Slot design, no driver required, plug and play. Specification: Features: Each chip is selected and tested to ensure good performance, stable and reliable. Support dual-channel, easy to form a dual channel with computer memory. Slim appearance, easy to install. Adopt high-quality PCB board, low power consumption, high efficient operation. Slot design, no driver required, plug and play. Backward compatible with 2133/2400MHz frequency. Specification: Type: DDR4 laptop memory Brand: SAMSUNG Capacity: 8GB/16GB( optional) Frequency: 2666MHz/3200MHz( optional) Voltage: 1.2V PIN: 260PIN Packing list: 1 * Laptop memory Package List: 1 * Laptop memory