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Silver 2.5 inch SAS hard drive with dual ports and label showing 1.8TB capacity

HPE

HPE J9F49A 1.8TB 12G SAS 10K 2.5" 512e internal hard drive

SKU CH-9HD4-8R217

Stores 1.8TB on a 10000RPM 2.5" SAS 12Gbps drive with 512e formatting for MSA2 arrays

  • 8 TB capacity stores large datasets
  • 10000 RPM spindle delivers fast data access
  • 12 Gbps SAS interface provides high throughput
  • 5 inch small form factor fits dense bays
  • 512e format works with legacy systems

1.8TB SAS 12Gbps enterprise drive

This 1.8TB HPE MSA hard drive uses a 12Gbps SAS interface and spins at 10000RPM in a 2.5" small-form-factor enclosure. It is built for HPE MSA2 storage arrays that require dual-port enterprise connectivity and 512e sector formatting. The drive delivers 1.8TB of capacity for mixed read-write workloads in compatible array slots.

Sustained 10K RPM throughput

At 10000RPM the spindle maintains consistent rotational velocity under continuous I/O, avoiding the throughput drops seen in lower-speed drives during extended write sequences. Dual-port SAS provides redundant data paths so a single controller or cable failure does not halt array access. The 512e format aligns logical blocks with physical sectors to reduce write amplification during sustained random workloads.

12Gbps SAS lane limits

The 12Gbps SAS link caps per-drive bandwidth at the interface signalling rate, so aggregate array performance scales with the number of active drives and controller ports rather than exceeding the single-lane ceiling. 512e emulation adds a thin translation layer that can marginally increase latency versus native 4Kn media when the array issues many small writes. Compatibility is limited to HPE MSA2 platforms that recognise the drive firmware and dual-port topology.

Points forts

  • 8 TB capacity stores large datasets
  • 10000 RPM spindle delivers fast data access
  • 12 Gbps SAS interface provides high throughput
  • 5 inch small form factor fits dense bays
  • 512e format works with legacy systems

Caractéristiques

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Questions sur cet article

How much noise and heat does the 10K RPM SAS drive generate during continuous operation?

The drive spins at 10000RPM with a 12Gbps SAS interface; typical enterprise 2.5" 10K drives run warm and audible, so plan for active airflow in the enclosure.

What controller or backplane must I already have to use the 12Gbps SAS interface?

You need a SAS HBA, RAID card or MSA2 backplane that supports 12Gbps SAS and 512e sector formatting for the drive to be recognised.

Will the 512e sector format work with my older 512n-only RAID controller?

The drive uses 512e emulation; many legacy controllers that only understand native 512n sectors will not address the full 1.8TB capacity.

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