DDR5 4800MHz PC5-38400 262 Pin Unbuffered Non-ECC 1.1V CL40-40-40-77 Dual Rank 2Rx8 based 2048x8 Speeds at 4800MHz with 1.5x faster than DDR4, Capacity 64GB KIT Containing 2x32GB modules JEDEC DDR5 On-die ECC (ODEC) to Improve error checking capability and provide better accurate data-processing High-Quality Power Management IC (PMIC) Onboard to ensure stable power transfers and lower power consumption at only 1.1V Compatible with DDR5 Laptops, not compatible with DDR4 motherboards Guaranteed Lifetime warranty from Purchase Date and Free technical support United States based