HyperX Impact 8GB (1 x 8GB) DDR4 2666 RAM (Notebook Memory) CL15 XMP SODIMM (260-pin) HX426S15IB2/8 Cas Latency: 15 Voltage: 1.2V Features: Optimized for Intel 100 & 200 Series chipset Intel XMP-ready Plug N Play automatic overclocking 100% factory tested at speed Designed to meet JEDEC Free technical support