The Hynix HMT351U6CFR8C-PB PC3-12800U DDR3 4GB RAM Memory is a high-quality RAM module designed for use in computers and other networking devices. With a total capacity of 4GB and a bus speed of PC3-12800, it offers fast and reliable performance. The DIMM form factor, DDR3 SDRAM type, and 240 pins make it compatible with a wide range of systems. Additionally, the ECC memory and registered features ensure error correction and improved stability for enhanced data integrity. This RAM module is a solid choice for upgrading your system's memory capacity.