AddOn 16GB PC3-12800 DDR3-1600MHz ECC Registered CL11 240-Pin DIMM 1.35V Low Voltage Very Low Profile (VLP) Dual Rank Memory Module. The AddOn 46W0716-AM is a 16GB DDR3-1600MHz ECC Registered memory module designed for high-performance and reliability. Featuring a low voltage of 1.35V, very low profile (VLP) form factor, and dual rank configuration, this 240-pin DIMM ensures efficient power consumption and excellent thermal performance. With a CAS latency of CL11 and compliance with PC3-12800 standards, it is ideal for server and workstation environments requiring robust error-correction and stable operation.