Features: All modules undergo quality assurance testing to ensure dependable performance. Please verify your system's supported memory specifications prior to purchase for compatibility. Built with high-quality chips for stable performance and high-speed operation. Designed for desktop PC/computer memory upgrades. High-quality circuit module board effectively avoids corrosion and wear, durable and easy to carry. 2400MHz memory speed enhances computer performance. Package Includes: 1PC x Memory Module Specifications: Model: DDR4 4GB computer memory Type: DDR4 Memory Frequency: 2400MHz Capacity: 4G Voltage: 1.2V Frequency: 2133, 2400, 2666 Number of pins: 240PIN Size: approx.69.9x30x3.7mm/2.75x1.81x0.15in Note: Memory may be single-sided/double-sided, wide/narrow version, shipped randomly. Contact customer service for special needs. 0-1cm error may occur due to manual measurement. Colors may vary slightly from the picture due to monitor settings.