pulled from a working PCThe PNY Anarchy X 8GB (2x4GB) DDR3-2400 PC3-19200 240-Pin DIMM Non-ECC memory modules are designed for high-performance computing. With a total capacity of 8GB spread across two 4GB modules, these DDR3 SDRAM modules offer fast data transfer speeds at 2400 MHz. The modules are unbuffered and feature a lifetime manufacturer warranty, making them a reliable choice for expanding your computer's memory capacity. With a sleek design and reliable performance, the PNY Anarchy X modules are a great option for enhancing your computer's speed and efficiency.