Team Elite 4Gb No Heatsink (1 X 4Gb) Ddr4 2666Mhz Sodimm System MemoryTeamgroup’s Elite Series Has Released An All-New Ddr4 So-Dimm Product Which Is Compliant With Jedec International Standard. With Only 1.2V Of Working Voltage It Can Save Electricity Use By 20% Compared To Its Last Generation. Therefore The Heat Generated From The Product Itself Can Also Be Reduced And Maintain The Surrounding Temperature Of The System. It Is 100% Compatible With Intel’s Latest X99 & Skylake Chipset. With Selected High-Quality Ic Chips And Strict Testing Standard It Is The Perfect Choice For Laptop Users Who Seek For Excellent Quality Optimal Performance Stability And Compatibility.Memory Capacity4Gb (1 X 4Gb)Memory TypeDdr4Module TypeSodimmMemory SpeedDdr4-2666MhzPin Configuration260-PinRegistered/UnbufferedUnbufferedError CorrectionNon-EccCl-Trcd-Trp-Tras19-19-19-43Heat SinkNoneWorking Voltage1.2V