Crucial 4gb Ddr4-2666 Memory/Ram For Laptop

> crucial 4gb ddr4 sdram memory module - 4 gb - ddr4 sdram - 2666 mhz ddr4-2666/pc4-21300 - 1.20 v - non-ecc - unbuffered - 260-pin - sodimm, 4gb single rank > compatible with desktop and laptop