Upgrade your desktop's memory with this SK Hynix 4GB DDR3 SDRAM. With a bus speed of PC3-12800, this DIMM form factor memory module is perfect for improving your computer's performance. It has a total capacity of 4GB, with 1 module, each having a capacity of 4GB. The model number is HMT451U6BFR8C-PB, making it a great replacement or addition to your current setup. This memory module is compatible with most desktops and is perfect for gamers, graphic designers, and heavy multitaskers.