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Silver 3.5 inch SAS hard drive mounted in black caddy tray

DELL

DELL ST3146855SS 146GB 15000RPM 3.5" SAS internal hard drive

SKU CH-3PZV-THXBN

A 146 GB, 15000 RPM enterprise SAS drive with 16 MB cache, hot-swap tray and 3.5-inch form factor

  • 146 GB capacity stores critical enterprise data
  • 15000 RPM spindle delivers fast transactional throughput
  • 5-inch SAS 3 Gb/s interface connects to compatible PowerEdge servers
  • 16 MB cache accelerates frequent read operations
  • Hot-swap tray enables drive replacement without system downtime

Dell Cheetah 15K.5 SAS drive

This 146GB 3.5-inch internal hard drive spins at 15000RPM and connects through a SAS 3Gb/s interface. It ships new with a black caddy tray included. The unit is built for Dell PowerEdge servers and compatible desktop workstations.

Suits enterprise arrays needing hot-swap

The drive supports hot-swap replacement so a failed unit can be changed without shutting down the system. A 16MB buffer helps with rapid record access. It is not for buyers who need more storage capacity or whose hardware lacks a SAS 3Gb/s backplane.

15000RPM rotational speed

This spindle speed is the single specification that determines whether the drive meets the performance profile for high-transaction workloads. Verify that your controller and chassis accept 3.5-inch SAS drives before purchasing.

Puntos fuertes

  • 146 GB capacity stores critical enterprise data
  • 15000 RPM spindle delivers fast transactional throughput
  • 5-inch SAS 3 Gb/s interface connects to compatible PowerEdge servers
  • 16 MB cache accelerates frequent read operations
  • Hot-swap tray enables drive replacement without system downtime

Especificaciones

Aún no hay especificaciones publicadas para este artículo.

Preguntas sobre este artículo

Is the 146GB 15000RPM SAS drive the right capacity for a Dell PowerEdge 2950?

The 146GB capacity matches the original specification for the PowerEdge 2950 and the 15000RPM spindle delivers the IOPS that model expects.

What does 15000RPM actually deliver in a live server?

The 15000RPM spindle cuts average latency to roughly 2 ms, so random read/write queues clear faster on the 3Gbps SAS link.

How does the 3Gbps SAS interface limit real-world throughput?

The 3Gbps SAS link caps sustained transfers at about 300 MB/s, so the 16MB cache cannot push sequential speeds beyond that ceiling.

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