1. PLEASE NOTE: 1). This desktop DDR3 memory stick is not compatible with DDR2, DDR4 and DDR5 computers and is only compatible with DDR3 desktop computers; 2). It is not compatible with laptops, only compatible with desktop computers; 3). Please don't let our memory stick be used with your old memory stick on the same motherboard. Please check your computer specifications carefully, otherwise your computer may not be compatible with our memory sticks 2. How do I check the specs of my computer? You can download a CPU-Z software. Open the CPU-Z software, click on the ‘SPD’ column, you can see the specification of your computer's memory. If you still don't know how to check if our memory sticks are compatible with your computer, please contact us and we will give you an answer 3. Standard voltage range: 1.425V~1.575V voltage range can work normally, effectively preventing voltage fluctuation/computer power supply aging, affecting RAM service life and work efficiency. Timings: CL-13 4. Memory architecture: Adopt high-performance memory particles 512MB * 16 architecture mode, increase heat dissipation, more friendly to old motherboard / CPU 5. Stability: High-performance memory granule Double rank memory distribution, combined with a unique thermal design, wide range voltage, Keeping the best at all times. Security: The appearance of an aluminum alloy heat-drawn net helps to dissipate heat and prevent static electricity 6. 1866MHz RAM can downclock to 1600MHz or 1333MHz or 1066MHz if your computer system specification only supports 1600MHz or 1333MHz or 1066MHz Product Name: Desktop Memory DDR3

Brand Name: Yongxinsheng

Memory capacity: 8GBx4

Color: Blue

Memory Technology: Non-ECC Unbuffered

Voltage: 1.5V

DIMM Type: 240-Pin

Timings: CL-13

Frequency: PC3-14900 (1866MHz)