DDR3 8GB Kit 1866MHz (PC3-14900) CL13 Unbuffered Non-ECC 1.5V uddimm PC Desktop memory module Ram Upgrade Upgrade systems, our high-quality memory modules, are ideal for virtualization, cloud computing and multitasking, with stability, durability and compatibility factory tested, 100% factory tested Heat sink + Stability: High-performance memory particle dual-stage memory distribution, combined with a unique heat dissipation design, wide voltage range, always maintain the best state, help heat dissipation, prevent static electricity. Please check the specifications of the device before purchasing. For example, computer motherboard model /RAM model /RAM slot /RAM frequency/maximum compatible memory capacity.