Apple Promise 450GB SAS Drive Module 450GB Silver external hard drive

Promise 450GB SAS Drive Module, 15000rpm The Promise 450GB SAS Drive Module is a hot-pluggable 3Gbps 15,000-rpm SAS hard drive in a special drive carrier module designed for hot-swappable upgrade or replacement. The high rotational speed and quick random access of the SAS drive module reduce the time it takes to retrieve data, making it the best fit for random read/write operations in transactional data applications.