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Silver 3.5 inch SAS hard drive bare unit

Seagate

Seagate Cheetah NS ST3400755SS 400GB 10000 RPM 16MB SAS 3Gb/s 3.5" internal hard drive

SKU CH-2WJ1-XHXG1 MPN ST3400755SS

A 400 GB 3.5-inch SAS drive spinning at 10000 RPM with 16 MB cache and 3.9 ms average seek time, designed for NAS systems

  • PackagingBare Drive
  • InterfaceSAS 3Gb/s
  • Capacity400GB
  • RPM10000 RPM
  • Cache16MB
  • Average Seek Time3.9ms
  • 10000 RPM spindle for fast data access
  • 16 MB cache to smooth burst workloads
  • SAS 3Gb/s interface for direct server attachment
  • 9 ms average seek reduces latency
  • 98 ms rotational latency speeds random I/O

Seagate Cheetah NS 400GB 10000 RPM SAS Drive

This Seagate Cheetah NS ST3400755SS is a 3.5-inch internal hard drive with a 400GB capacity and a 10000 RPM spindle speed. It connects via a SAS 3Gb/s interface and includes a 16MB cache. The drive is supplied as a bare unit and is designated for NAS systems.

Buyers needing SAS 3Gb/s 10K storage

This drive suits NAS deployments and servers that accept a 3.5-inch SAS 3Gb/s device running at 10000 RPM. It is not for systems that lack a SAS backplane or controller. It is also not for users who require a manufacturer warranty, as the product is end-of-sale and covered only by the seller's one-year warranty.

10000 RPM spindle speed decides fit

The 10000 RPM rotation rate determines the drive's average seek time of 3.9ms, average write time of 4.2ms and average latency of 2.98ms. Verify that the target chassis and controller support this speed and the SAS 3Gb/s interface before purchasing.

Points forts

  • 10000 RPM spindle for fast data access
  • 16 MB cache to smooth burst workloads
  • SAS 3Gb/s interface for direct server attachment
  • 9 ms average seek reduces latency
  • 98 ms rotational latency speeds random I/O

Caractéristiques

BrandSeagate
SeriesCheetah NS
ModelST3400755SS
PackagingBare Drive
InterfaceSAS 3Gb/s
Capacity400GB
RPM10000 RPM
Cache16MB
Average Seek Time3.9ms
Average Write Time4.2ms
Average Latency2.98ms
FeaturesImportant Warranty Information
This product is end-of-sale and no longer warranted by the manufacturer. Instead, warranties this product for one year from date of purchase. If you require warranty service after thirty days, please contact Customer Service, not the manufacturer.
400GB of transactional storage enables 33 percent more capacity in a single drive.
Smaller platters and 10K spindle speed allow 33 percent savings in operational power.
The Seagate Cheetah NS drive design is based on the 15K-RPM platform, allowing up to 21 percent improvement in transactional performance over
UsageFor NAS systems
Form Factor3.5"
Height (maximum)26.11mm
Width (maximum)101.85mm
Length (maximum)147.00mm
Poids d’expédition1.36 kg
Dimensions du colis163 × 124 × 33 mm

Questions sur cet article

What is the average seek time for the ST3400755SS in a NAS array?

The drive specifies a 3.9ms average seek time and 2.98ms average latency at 10000 RPM.

Which limit appears first during sustained writes on the 400GB SAS drive?

The 3Gb/s SAS interface caps sustained throughput before the 16MB cache or 10000 RPM platters saturate.

How much heat does the 3.5" Cheetah NS generate under continuous operation?

The bare drive measures 147.00mm x 101.85mm x 26.11mm and spins at 10000 RPM with a SAS 3Gb/s interface.

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