Dell 12TB SAS 12Gb/s 7200RPM 3.5" Hot-Plug Enterprise HDD

The Dell 12TB SAS 12Gb/s 7.2K RPM 3.5-inch Hot-Plug Enterprise Hard Disk Drive (part number 400-BLLI) is engineered for high-capacity storage expansion within Dell PowerEdge server environments. Built on a nearline SAS architecture, the drive operates at 7,200 RPM and leverages the SAS 12Gb/s interface to deliver sustained sequential throughput suitable for bulk data workloads. The 3.5-inch large form factor accommodates the full 12TB capacity while the hot-plug capability allows the drive to be inserted or removed from a live system without downtime, a critical requirement in always-on enterprise deployments.

The SAS interface provides inherent advantages over SATA alternatives in enterprise contexts, including dual-port connectivity for multipath I/O configurations, stronger error recovery controls, and the ability to support longer cable lengths and larger drive counts per expander. These characteristics make the 400-BLLI well suited for deployment in Dell PowerEdge rack servers equipped with compatible SAS HBAs or RAID controllers such as the PERC H730 and H740P series. The drive is validated and tested within Dell's server ecosystem, ensuring firmware compatibility and integration with OpenManage and iDRAC storage management tooling.

Targeted at write-intensive-yet-capacity-focused workloads, this drive strikes a balance between high areal density and the reliability demanded by enterprise-class applications. Nearline SAS drives of this class are rated for continuous 24×7 operation and carry workload ratings significantly higher than desktop or consumer-grade storage, making them appropriate for data lake storage tiers, backup-to-disk targets, media repositories, and large-scale virtualization storage pools where raw capacity and data integrity are the primary design criteria.

Ideal for

• Capacity expansion in Dell PowerEdge rack and tower servers requiring high-density nearline SAS storage tiers
• Backup-to-disk and data protection repositories where large sequential write throughput and high capacity per spindle reduce infrastructure footprint
• Cold and warm data lake storage tiers in analytics platforms where cost-per-terabyte and sustained read throughput are prioritized over low latency
• Large-scale virtualization environments using tiered storage configurations that pair SSD caching layers with high-capacity spinning media for bulk VM storage
• Media and entertainment asset archives requiring reliable 24×7 access to large unstructured file repositories across NAS or SAN infrastructure
• Compliance and long-term data retention workloads in regulated industries where data integrity, dual-port redundancy, and continuous availability are mandatory

Technical specifications

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