The product is a lot of 20 Samsung 8GB PC3-10600R (DDR3-1333) memory modules, totaling 160GB of memory capacity. These DDR3 SDRAM modules are in RDIMM form factor, with a bus speed of PC3-10600R (DDR3-1333) and a number of pins of 240. They feature ECC memory, are registered and fully buffered, making them ideal for server components in enterprise networking and server environments. Each module has a capacity of 8GB, providing a reliable and high-performance solution for computing needs.