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Silver 3.5 inch bare enterprise hard drive with exposed circuit board

HGST

HGST 0B26311 Ultrastar 7K3000 3TB 7200 RPM 64MB SAS 6Gb/s 3.5" internal hard drive

SKU CH-KGE1-EY2EW MPN 0B26311

Enterprise-class 3.5" SAS drive with 3TB capacity, 7200 RPM speed, 64MB cache and 2.0 million hours MTBF for 24x7 reliability

  • PackagingBare Drive
  • InterfaceSAS 6Gb/s
  • Capacity3TB
  • RPM7200 RPM
  • Cache64MB
  • Features2.0 million hours MTBF Up to 3 terabytes of capacity Dual St

Options 3TB SAS 6Gb/s

  • Enterprise-grade 2.0 million hours MTBF reliability
  • 3TB capacity at 7200 RPM for high-throughput workloads
  • 64MB cache accelerates sustained data transfers
  • SAS 6Gb/s interface supports dual-port enterprise connectivity
  • Dual Stage Actuator and RVS enhance multi-drive stability

Enterprise-grade capacity

The HGST Ultrastar 7K3000 delivers 3TB of storage on a 3.5-inch SAS 6Gb/s interface, spinning at 7200 RPM with a 64MB cache. It is built for 24x7 operation in multi-drive servers and storage arrays where sustained throughput and vibration tolerance matter. The 2.0 million-hour MTBF rating reflects a design validated by major OEMs and large-scale internet operators.

Replacing lower-reliability drives

This model supersedes earlier 5-platter designs that lacked the Dual Stage Actuator and Enhanced Rotational Vibration Safeguard. The jump is worth it when workloads demand continuous uptime and consistent performance across many spindles, rather than occasional desktop use. Drives without enterprise-grade MTBF and vibration safeguards cannot match the same service-life profile in dense enclosures.

Fits standard 3.5-inch SAS bays

The bare drive slides into any 3.5-inch bay with a SAS 6Gb/s backplane or controller, requiring no proprietary mounting hardware. Its 5-platter mechanical layout frees up controller ports by delivering high capacity per spindle, reducing the total drive count needed for a given raw capacity target. A compatible SAS HBA or RAID card and adequate cooling complete the installation.

Highlights

  • Enterprise-grade 2.0 million hours MTBF reliability
  • 3TB capacity at 7200 RPM for high-throughput workloads
  • 64MB cache accelerates sustained data transfers
  • SAS 6Gb/s interface supports dual-port enterprise connectivity
  • Dual Stage Actuator and RVS enhance multi-drive stability

Specifications

BrandHitachi GST
SeriesUltrastar 7K3000
ModelHUS723030ALS640 (0B26311)
PackagingBare Drive
InterfaceSAS 6Gb/s
Capacity3TB
RPM7200 RPM
Cache64MB
Features2.0 million hours MTBF
Up to 3 terabytes of capacity
Dual Stage Actuator (DSA) and Enhanced Rotational Vibration Safeguard (RVS) for robust performance in multi-drive environments
24x7 accessibility for enterprise-class, capacity-optimized applications
Form Factor3.5"
Shipping weight0.62 kg
Package size169 × 154 × 28 mm

Other versions of this model

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Questions about this item

Does the 3.5-inch SAS drive fit a standard 3.5-inch drive bay and SAS backplane?

Yes, the 3.5-inch form factor matches standard 3.5-inch bays and the SAS 6Gb/s interface connects directly to a SAS backplane or HBA.

What is the common installation mistake with the SAS 6Gb/s interface on this bare drive?

Connecting the drive to a SATA-only controller; the SAS 6Gb/s interface requires a SAS HBA or RAID controller for correct operation.

How does the 2.0 million hours MTBF rating affect long-term maintenance planning for this enterprise drive?

The 2.0 million hours MTBF indicates high reliability for 24x7 operation, reducing expected replacement frequency in multi-drive deployments.

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