The product is a lot of 16 SK hynix DDR3-1600 PC3L-12800R 16GB modules, totaling 256GB of memory capacity. Each module has a capacity of 16GB, and they are designed as RDIMM form factor with 240 pins. These modules feature ECC memory and are registered, making them suitable for use in systems requiring reliable and error-correcting memory performance. The SK hynix brand ensures high quality and performance in this memory upgrade option for computers and servers needing DDR3 SDRAM memory technology Free shipping Item ships same day if payment received by 4pm