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Silver 3.5 inch SAS hard drive bare unit

Seagate

Seagate ST3400755SS 400GB 10000RPM SAS internal hard drive

SKU CH-89J4-X13Z6

A 400 GB, 10000 RPM SAS hard drive with a 16 MB buffer for high-speed server storage

  • 10,000 RPM spindle speed accelerates data access
  • 400 GB capacity stores critical enterprise workloads
  • SAS 3 Gb/s interface connects to compatible controllers
  • 16 MB cache buffers burst I/O operations
  • 5 inch form factor fits standard drive bays

400 GB 10 000 RPM SAS Drive

This new Seagate Cheetah NS internal hard drive provides 400 GB of storage on a 3.5 inch SAS 3 Gb/s interface. It spins at 10 000 RPM with a 16 MB buffer. The bare drive is designed for desktop internal bays.

Suits SAS 3 Gb/s systems.

It suits servers or workstations that accept a 3.5 inch SAS 3 Gb/s drive and need 10 000 RPM performance at this capacity. It is not for platforms that require a 6 Gb/s SAS link or a higher capacity than 400 GB.

Interface is 3.5 inch SAS 3 Gb/s

The single specification that decides fit is the 3.5 inch SAS 3 Gb/s interface; the host must provide a matching SAS connector and backplane. Without that exact interface the drive cannot be installed.

Helstu kostir

  • 10,000 RPM spindle speed accelerates data access
  • 400 GB capacity stores critical enterprise workloads
  • SAS 3 Gb/s interface connects to compatible controllers
  • 16 MB cache buffers burst I/O operations
  • 5 inch form factor fits standard drive bays

Tæknilýsing

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How do I install the ST3400755SS in a server, and what step is often missed?

Mount the 3.5in drive in a SAS backplane or caddy, connect the SAS data and power cables, then configure the controller to recognise the 3Gb/s link; the step often missed is enabling the correct SAS protocol mode in the RAID or HBA BIOS so the 10000RPM drive negotiates at 3Gb/s instead of falling back to a slower speed.

What maintenance or replacement will the ST3400755SS need later?

The drive has no user-serviceable parts; plan to replace the unit once SMART attributes report reallocated sectors or the 16MB cache shows consistent write errors, which typically appears after several years of continuous 10000RPM operation.

What limit appears first on the ST3400755SS during sustained heavy writes?

The 3Gb/s SAS interface caps sustained throughput, so the 10000RPM platters and 16MB buffer will hit the interface ceiling before the mechanical media reaches its own maximum transfer rate.

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