Mushkin Enhanced Essentials 32GB (2 x 16G) 204-Pin DDR3 SO-DIMM DDR3L 1866 (PC3L 14900) Laptop Memory Model MES3S186DM16G28X2 Cas Latency: 13 Timing: 13-13-13-32 Voltage: 1.35V Buffered/Registered: Unbuffered Multi-channel Kit: Dual Channel Kit Features: Compatible Timings This product is programmed to use timings that offer maximum compatibility with your system and original memory. Dual Channel Kit Engineered for dual-channel architecture. Compatible Frequency This product is engineered to operate at the optimum frequency for compatibility with your system.