Note: This RAM module only fits in Windows laptops. For a MacBook or iMac, this RAM isn't suitable. The laptop needs to have a DDR3 connector. You can check this in the Windows Task Manager by clicking 'More Details' under the 'Performance' header. It'll say DDR3 or DDR4 under memory. If it doesn't say anything about the connector, you'll need a DDR4.
The Corsair 8GB SODIMM DDR3-1066 2x4GB dual-channel memory kit is designed for stable overclocking. The aluminum heatsinks ensure a fast dissipation of heat. The corsair 8GB SODIMM DDR3-1066 2x4GB has a speed of 1066Mhz.