Toshiba MG09 Series 18TB 7200RPM 3.5-inch SAS 12Gb/s Enterprise Nearline HDD (Helium)

The Toshiba MG09 Series 18TB Enterprise Nearline HDD (MG09SCA18TE) is a 3.5-inch, helium-sealed hard drive engineered for large-scale datacenter and cloud storage infrastructure. Built on Toshiba's ninth-generation MG platform, the drive spins at 7,200 RPM and communicates via a dual-port SAS 12Gb/s interface, delivering sustained sequential read performance suited to high-throughput storage arrays. The hermetically sealed helium fill reduces internal aerodynamic drag, enabling higher areal density platters while maintaining lower operating temperatures and reduced power draw compared to conventional air-filled designs.

The MG09SCA18TE is rated for a workload of up to 550TB per year, making it appropriate for write-intensive nearline applications including large object repositories, backup and archive tiers, and scale-out NAS environments. The drive supports a 512MB data buffer and incorporates Toshiba's persistent write cache with power-loss notification, helping protect in-flight data during unexpected power interruptions. Dual-port SAS connectivity enables multipath I/O configurations, a critical requirement for enterprise storage arrays that demand continuous availability and non-disruptive failover at the host bus adapter or RAID controller level.

Designed to meet the reliability expectations of hyperscale and enterprise environments, the MG09SCA18TE carries an annualised failure rate aligned with a 2.5 million hours MTBF rating and is specified for 24×7 continuous operation. The drive's native 512-byte sector emulation with 4Kn support via configuration and its SAS 12Gb/s dual-port architecture make it broadly compatible with leading enterprise storage platforms from vendors deploying high-density JBOD or SAS-attached storage enclosures across datacenter, AI training data lake, and media & entertainment archive workflows.

Ideal for

• Hyperscale object storage and cloud-tier repositories requiring high-capacity, 24×7 nearline drives in dense SAS JBOD enclosures
• Enterprise backup and long-term data archival systems where sustained throughput and high workload ratings are essential for nightly and continuous backup streams
• AI and machine learning training data lakes that stage large unstructured datasets on high-capacity nearline storage before ingestion into GPU compute clusters
• Scale-out NAS and file storage platforms in media and entertainment environments handling large video asset libraries and content repositories
• SAN and direct-attached storage arrays in financial services and healthcare organisations requiring dual-port SAS multipath for continuous availability and non-disruptive maintenance
• High-density surveillance and video analytics storage back-ends that aggregate continuous high-bitrate streams from large camera deployments over extended retention periods

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.