Note!: This system can run the latest version of OS Although it has a 64-bit processor, it has a 32-bit EFI and cannot boot in 64-bit mode. It also does not support "OpenCL" with the stock video card or the other made-to-order video cards that were offered via custom configuration. Also note that OS X Lion cannot run Mac OS 8-Core (2008) combines unparalleled computing power with extensive storage options. With a powerful 8-core processor, this system delivers impressive performance for demanding tasks such as video editing, graphic design and data analysis. Equipped with 4GB RAM, a fast 1TB SSD and a spacious 1.8TB HDD, this Mac Pro offers both speed and storage capacity for all your projects. The iconic design and reliable build quality make this system an ideal choice for professionals seeking top performance and reliability in a professional environment.