16GB 1866MHz DDR3L CL10 SODIMM (Kit of 2) 1.35V HyperX Impact Black. HyperX Impact memory boasts the world's fastest SO-DIMM frequency - 2666MHz - to keep you ahead of the curve and level up your game. It automatically recognizes the platform it's plugged into and auto overclocks to the highest frequency published (up to 2400MHz) with no need to adjust system BIOS settings. So you get extreme performance that supports notebooks and small form factor systems using either AMD or the latest Intel CPU technologies with no hassle at all - even if you're a newbie. Capacities 4GB 8GB (single) and 8GB 16GB (kits). Frequency (speed) 1600MHz - 2400MHz. Dual Channel. Latency CL9-CL12. Voltage 1.35V. Operating Temperature 0 C to 85 C. Storage Temperature -55 C to 100 C. Dimensions SO-DIMM: 30mm x 67.6mm. Chipsets Compatible with HM65 HM67 HM70 HM75 HM76 HM77 HM86 HM87 QM67 QM87 QS67 UM67 and UM77 Intel chipsets.