Seagate Exos X14 10TB Internal Server Hard Drive ST10000NM0568 3.5" - SATA 6Gb/s - 7200RPM - 256MB Cache Fully tested, fully functional refurbished hard drive. SCALABLE: Run big data applications for hyperscale requirements EFFICIENT: Consistent performance with low latency and repeatable response times through improved caching HIGH CAPACITY: Support data analytics and other dense architectures to achieve the highest rack efficiency COST-EFFECTIVE: Optimize total costs by lowest cost per terabyte RERELIABLE : An MTBF time of 2.5 million hours ensures maximum reliability