'Lenovo HDDs provide outstanding performance, high capacity and reliability. Outstanding performance for all mission critical applications Enterprise HDDs with enhanced sequential and random read/write performance, designed for critical business applications Offering highest capacity HDDs from industry leaders Lenovo offers a wide range of HDDs from storage industry leaders to ensure the best technology and highest capacity points are available to our customers Excellent reliability and performance in 24x7 operational environments Lenovo uses comprehensive validation and quality control measures to ensure best reliability and performance for all application workloads under 24x7 operation Protect data with Self-Encrypting drives Lenovo offers Self-encrypting drives to protect customer data against loss or theft as well as secure drive retirement, disposal, or repurposing Helium-filled drive assemblies for drives 12TB and larger (Helium provides a more stable environment and less turbulence and resistance to the flying heads. This enables a larger number of platters which results in larger storage capacity. The use of Helium also results in lower power consumption compared to air-filled drives.) Workload limit: All 7200 RPM NL SAS and NL SATA drives have a workload limit of 550TB/year. 10K and 15K SAS drives do not have a workload limit.