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Small silver 2.5 inch enterprise SAS hard drive with SC tray

HP

HP 781518-B21 1.2TB 10000 RPM SAS 12Gb/s 2.5" internal hard drive

SKU CH-9590-9GV7T MPN 781518-B21

A 1.2 TB enterprise hard drive with 10000 RPM and SAS 12Gb/s interface in a 2.5 inch form factor

  • InterfaceSAS 12Gb/s
  • Capacity1.2TB
  • RPM10000 RPM
  • FeaturesThis HP 1.2TB SAS 12Gb/s 10K RPM SFF 2.5" SC Enterprise Hard
  • UsageFor Enterprise Storage
  • Form Factor2.5"
  • 2 TB capacity stores large enterprise datasets
  • 10 000 RPM spindle delivers fast data access
  • SAS 12 Gb/s interface provides high-throughput connectivity
  • 5 inch small form factor fits dense server bays
  • New condition ensures full manufacturer reliability

Enterprise SAS storage

The HP 781518-B21 is a 1.2TB 2.5 inch enterprise hard drive built for servers and storage arrays that require consistent throughput. Its 10000 RPM spindle speed and SAS interface target workloads such as databases, virtualisation and transactional applications where low latency matters.

SAS 12Gb/s interface limits

The drive connects through a 12Gb/s SAS link, so the host controller or backplane must support that signalling rate to realise full bandwidth. Performance will fall back to the highest speed both ends share, and cable length or expander topology can further constrain sustained throughput.

1.2TB capacity and 10K headroom

At 1.2TB the drive holds operating systems, application binaries and active data sets that benefit from 10000 RPM access times. It is not suited for cold archives or workloads needing multi-terabyte sequential capacity, where larger nearline drives or flash tiers are more appropriate.

Pontos fortes

  • 2 TB capacity stores large enterprise datasets
  • 10 000 RPM spindle delivers fast data access
  • SAS 12 Gb/s interface provides high-throughput connectivity
  • 5 inch small form factor fits dense server bays
  • New condition ensures full manufacturer reliability

Especificações

BrandHP
Model781518-B21
InterfaceSAS 12Gb/s
Capacity1.2TB
RPM10000 RPM
FeaturesThis HP 1.2TB SAS 12Gb/s 10K RPM SFF 2.5" SC Enterprise Hard Drive is a superior storage solution. With some storage requirements escalating and others becoming more complex, factors such as flexibility, performance, increased reliability, greater density, security, scalability and accessibility are more critical than ever. Today's organizations consist of different kinds of environments. Enterprise data centers must be online 24x7, fulfill requests from numerous users simultaneously, and allow for constant growth and expansion while in operation. Other customer environments require
UsageFor Enterprise Storage
Form Factor2.5"
Peso de envio4.08 kg
Dimensões da embalagem222 × 184 × 133 mm

Perguntas sobre este artigo

Should I choose the 1.2TB version or a different capacity for this 781518-B21 drive?

The 781518-B21 is supplied only as a 1.2TB model. If your workload needs more space, you would add multiple drives rather than selecting a larger single unit.

What does the 10000 RPM rating mean for actual performance in a server?

The 10000 RPM spindle delivers lower latency and higher sustained throughput than slower drives, which helps with random I/O workloads such as databases or virtualisation.

How does the SAS 12Gb/s interface limit real-world transfer speed?

The SAS 12Gb/s link caps the maximum burst rate at 12Gb/s, while sustained throughput will be lower and depends on the drive's internal media speed.

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