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Silver 2.5 inch SAS hard drive with green circuit board

HPE

HPE 781518-B21 1.2 TB 2.5" SAS 12Gb/s internal hard drive

SKU CH-VGW1-0VHAP

A 1.2 TB 2.5-inch SAS 12Gb/s internal hard drive spinning at 10000 rpm for high-transaction enterprise workloads

  • InterfaceSAS 12Gb/s
  • Capacity1.2TB
  • Form Factor2.5"
  • 2 TB capacity for data-intensive workloads
  • 12 Gb/s SAS interface for high-throughput transfers
  • 10,000 rpm spindle speed for low-latency access
  • 5-inch small form factor fits dense server bays
  • Enterprise-class reliability for mission-critical applications

Enterprise SAS drive for transaction workloads

The HPE 781518-B21 is a 1.2 TB internal hard drive with a 2.5 inch form factor and a SAS 12Gb/s interface. It targets servers that run mission-critical or storage-driven applications requiring high availability and data integrity. The 10000 rpm spindle speed supports demanding transaction-based workloads in enterprise environments. Builders needing a different capacity point or a non-SAS interface should look elsewhere.

Sustained performance at 10000 rpm

The 10000 rpm spindle maintains consistent throughput for high-transaction applications rather than only short bursts. A 12Gb/s SAS link provides the bandwidth needed for continuous enterprise workloads where reliability and data integrity are crucial. The drive is designed for both enterprise and midline applications that demand steady performance over time. Systems without a SAS backplane cannot use this drive.

2.5 inch SFF design with carrier options

The 2.5 inch small form factor fits dense server chassis and is available in Smart Carrier, Standard Hot Plug Carrier or Non-hot Plug Carrier variants. This flexibility lets administrators match the drive to the serviceability model of their deployment. Internal mounting ensures a secure fit in compatible bays without external cabling. Retail or OEM packing may vary.

Points forts

  • 2 TB capacity for data-intensive workloads
  • 12 Gb/s SAS interface for high-throughput transfers
  • 10,000 rpm spindle speed for low-latency access
  • 5-inch small form factor fits dense server bays
  • Enterprise-class reliability for mission-critical applications

Caractéristiques

InterfaceSAS 12Gb/s
Capacity1.2TB
Form Factor2.5"

Questions sur cet article

How much power does the 10000 rpm SAS 12Gb/s drive draw under sustained load?

The 1.2 TB HPE 781518-B21 spins at 10000 rpm on a SAS 12Gb/s interface; typical sustained power for this class is around 9 W, though exact draw depends on the host backplane and workload.

What carrier or caddy must my server already have to accept this 2.5" SAS drive?

The drive is a bare 2.5" SFF mechanism; it requires an HP Smart Carrier, Standard Hot Plug Carrier or Non-hot Plug Carrier that matches your server generation to install and lock into the backplane.

Will the 12Gb/s SAS interface negotiate down to 6Gb/s on my older controller?

Yes, the SAS 12Gb/s interface is backward compatible and will automatically negotiate to 6Gb/s or 3Gb/s when connected to an older HBA, RAID card or expander that supports those speeds.

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