Features:8G DDR4All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory specifications of your system prior to purchase to ensure compatibility.brand new and high quality.Built-in high quality chips for stable performance and high speed operation.High performance Memory upgrade designed for Desktop PC / Computers.High-quality circuit module board, effectively avoiding corrosion and wear, durable and easy to carry.The high memory speed of 2133MHz/2400MHz/2666MHz/3200MHz increases the speed of your computer and brings convenience to your life. Specifications:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Note:The memory has single-sided and double-sided, wide and narrow versions, shipped randomly.If you have special needs, please contact customer service. Please allow 0-1cm error due to manual measurement. pls 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. Thank you Package includes:Material: Silicon + MetalSize: approx 13.8x3cm/5.43x1.18 inches Frequency: 2133MHz/2400MHz/2666MHz/3200MHzModel: DDR4Memory Capacity: 8G