In perfect, working condition. Tested.The OWC Mercury Accelsior_E2 240GB PCIe Internal SSD Card is a high-performance storage solution compatible with both PC and Mac systems. With a sleek black design and a PCIe card form factor, this internal SSD offers fast read and write speeds at 820MB/s and 763MB/s respectively. Backed by a 3-year manufacturer warranty, this SSD includes 512MB DDR2 SDRAM cache and provides a storage capacity of 240GB. Ideal for boosting system performance and storage capabilities, this OWC product is a reliable choice for enhancing your computing experience.