The product is a set of 18 Samsung 8GB 2Rx4 PC3L-10600R DDR3-1333 ECC REG server RAM modules, totaling 144GB of memory capacity. The memory modules are RDIMM type with 240 pins and are designed for server use with ECC memory and registered features. The modules are made in China and have a bus speed of PC3L-10600R (DDR3-1333). This RAM is ideal for server components in enterprise networking and server environments that require reliable and high-performance memory capacity.