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Silver 3.5 inch bare hard drive with green circuit board visible

Seagate

Seagate ST31000340SV 1TB 7200 RPM 32MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-4W0V-VK908 MPN ST31000340SV

1 TB 7200 RPM SATA desktop drive with 32 MB cache built for 24×7 server recording

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity1TB
  • RPM7200 RPM
  • Cache32MB
  • Average Latency4.16ms
  • 24/7 operation backed by 1 million hour MTBF
  • 7200 RPM spindle speed for responsive video recording
  • 32 MB cache improves multi-stream write performance
  • SATA 3.0 Gb/s interface for broad desktop compatibility
  • 5 inch low-profile 1.0 inch height fits standard bays

1TB SV35.3 surveillance drive

The Seagate ST31000340SV is a 3.5 inch internal hard drive built for continuous video recording. It spins at 7200 RPM with a 32MB cache and connects through a SATA 3.0Gb/s interface. The SV35.3 series targets 24x7 operation with a rated MTBF above one million hours and an annualised failure rate below one percent.

Best for multi-stream recording

This drive suits installers and system integrators deploying DVR or NVR appliances that write several camera streams simultaneously. The firmware is tuned for sustained sequential writes rather than random access, so it is not a fit for boot drives, general-purpose storage or workloads that demand low latency random IOPS.

Capacity and headroom

At 1TB the drive holds weeks of footage from a modest camera count at typical bitrates. The 32MB buffer and 7200 RPM spindle absorb bursty write peaks from multiple streams, but the single SATA 3.0Gb/s link and mechanical latency of 4.16ms become the bottleneck once aggregate throughput approaches the interface ceiling.

特長

  • 24/7 operation backed by 1 million hour MTBF
  • 7200 RPM spindle speed for responsive video recording
  • 32 MB cache improves multi-stream write performance
  • SATA 3.0 Gb/s interface for broad desktop compatibility
  • 5 inch low-profile 1.0 inch height fits standard bays

仕様

BrandSeagate
SeriesSV35.3
ModelST31000340SV
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity1TB
RPM7200 RPM
Cache32MB
Average Latency4.16ms
Features24x7 reliability with > 1 million hours MTBF and < 1 percent AFR
Improved data transfer rates (read/write speeds) enabling higher-performance video recording
Recording of multiple simultaneous video streams while maintaining high data integrity
Applications
Video surveillance digital video recorder
Video surveillance network digital video recorder
Direct-attached JBOD video storage
Network-attached JBOD video storage
UsageIdeal for Servers
Form Factor3.5"
配送重量0.45 kg
梱包サイズ203 × 152 × 51 mm

この商品に関する質問

Will this 7200 RPM 3.5 inch SATA drive fit in the same bay and use the same cables as my older SATA drive?

Yes — it uses the standard 3.5 inch form factor and SATA 3.0Gb/s interface, so it installs in any 3.5 inch bay with the same power and data cables.

Does the 32 MB cache and 4.16 ms average latency help this drive record multiple video streams at once?

The 32 MB buffer and 4.16 ms latency are designed for 24x7 operation and support recording several simultaneous streams without frame drops.

After installation, how can I confirm the drive is running at its rated 7200 RPM and SATA 3.0Gb/s speed?

Check the model ST31000340SV in BIOS or a SMART tool — it will report 7200 RPM rotation and a SATA 3.0Gb/s link rate when operating correctly.

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