Features: Different standard for your option: 4GB/8GB/16GB/4GB 2666MHZ/8GB 2666MHZ/16GB 2666MHZ. Quick and easy to install, no expertise required (Please refer to your system's manual for seating and channel guidelines). Expands your system's available Memory RAM resource, improving performance, speed and allowing you to take on more while maintaining a smooth experience. Memory modules undergo stringent quality control testing to ensure dependable and reliable performance. Suitable for DDR3 laptop / notebook PC, Mini PC, all in one device. An excellent gift for gaming lover, boyfriend, girlfriend, family, etc. Specifications: Material: PCB Size: approx 70x20mm/2.8x0.8-inch 260PIN Frequency: DDR4 2400 Bandwidth: PC4-19200 Standard: 4GB/8GB/16GB/4GB 2666MHZ/8GB 2666MHZ/16GB 2666MHZ(optional) Package Includes: 1x Memory RAM note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.