The WD 250 Gigabyte 3.5" SATA Hard Drive is a high-quality internal desktop drive designed specifically for Mac computers. With a storage capacity of 250GB, this hard drive provides ample space for storing files, photos, and videos. The SATA I interface ensures fast data transfer speeds, making it an ideal choice for improving the performance of your desktop system. The 3.5-inch form factor makes it compatible with standard desktop configurations, and being from a trusted brand like Apple, you can rely on its reliability and durability.