4GB DDR4 2133MHZ DIMMVisionTek 4GB PC4 17000 DDR4 2133MHz 288 pin DIMM Memory Module For Desktop PC 4 GB DDR4 2133 PC4 17000 DDR4 SDRAM 2133 MHz CL15 1. 20 V Non ECC Unbuffered 288 pin DIMM Lifetime Warranty VPN: 900839 SKU: RSC967596 UPC: 784090034168 DIMM 4 GB of memory to heighten your computer's performance 2133 MHz of memory speed with CL15 latency skillfully manages the variety of apps and computational tasks 288 pin pin DDR4 SDRAM operates at an effective bus speed