A staple upgrade part for Mac Pro users, the Sonnet Technologies PCIe SSD expansion card "Tempo SSD (TSATA6-SSD-E2)". This is an essential item to overcome the SATA2 (3Gbps) speed limitation of the standard Mac Pro and fully utilize the SATA3 (6Gbps) performance of your SSD. Unlike inexpensive conversion boards, it officially supports being a "boot disk" on Mac Pro (Early 2008 3,1 ~ Mid 2012 5,1), allowing you to install the OS and use it as your main drive. 【Product Specifications】 ・Manufacturer: SONNET Technologies ・Model Number: Tempo SSD [TSATA6-SSD-E2] ・Interface: PCIe 2.0 x2 (High-speed transfer) ・Transfer Speed: Up to 660 MB/s (Approximately twice that of SATA2 in actual measurements) ・Compatible Models: Mac Pro 3,1 / 4,1 / 5,1 and Thunderbolt expansion chassis ・Boot Support: Boot disk operation confirmed for macOS ・Drivers: Not required (AHCI compliant, recognized simply by inserting) ・Expandability: Can accommodate up to two 2.5-inch SSDs (RAID 0 supported) 【Condition/Special Notes】 Operation has been confirmed, but as this is a used item, please refrain from purchasing if you are sensitive to imperfections or seek perfection, to avoid any issues. We kindly ask that you read the profile before considering a purchase to avoid any unpleasant experiences for both parties. The items in the photos are all that will be delivered (including screws). We hope for a smooth transaction, so thank you in advance.