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Seagate 3.5 inch SCSI hard drive silver metal enclosure

Seagate

Seagate ST318404LW 18GB 10000 RPM 4MB Cache SCSI 3.5" internal hard drive

SKU CH-Q3KR-7BR6H MPN ST318404LW

18 GB 10000 RPM SCSI hard drive for enterprise storage in 3.5 inch form factor

  • InterfaceSCSI
  • Capacity18GB
  • RPM10000 RPM
  • Cache4MB
  • UsageFor Enterprise Storage
  • Form Factor3.5"
  • 10000 RPM spindle speed accelerates data access for demanding enterprise workloads
  • 4 MB on-board cache buffers bursts to sustain throughput under heavy I/O
  • 18 GB capacity fits legacy SCSI arrays and replacement scenarios
  • 5 inch form factor mounts in standard server drive bays
  • SCSI interface connects directly to compatible controllers without adapters

Enterprise SCSI storage drive

The Seagate ST318404LW is an 18 GB 3.5-inch internal hard drive built for enterprise storage workloads. It spins at 10000 RPM with a 4 MB cache and uses a SCSI interface. The drive is supplied new and carries a five-year limited warranty from the manufacturer.

SCSI host integration

Installation requires a compatible SCSI host adapter and an available 3.5-inch drive bay with standard mounting points. The SCSI bus handles command queuing and multiple device addressing, freeing the system CPU from direct storage management. Power and termination must be provided according to the host adapter specification.

Legacy capacity upgrade

This drive replaces earlier lower-capacity or lower-RPM SCSI disks in servers and workstations that still rely on the SCSI bus. The jump is worth it when an existing array needs more space or faster spindle speed without migrating to a newer interface. It does not suit systems that lack SCSI support or that require larger modern capacities.

Pontos fortes

  • 10000 RPM spindle speed accelerates data access for demanding enterprise workloads
  • 4 MB on-board cache buffers bursts to sustain throughput under heavy I/O
  • 18 GB capacity fits legacy SCSI arrays and replacement scenarios
  • 5 inch form factor mounts in standard server drive bays
  • SCSI interface connects directly to compatible controllers without adapters

Especificações

Modelst318404lw
InterfaceSCSI
Capacity18GB
RPM10000 RPM
Cache4MB
UsageFor Enterprise Storage
Form Factor3.5"
Peso de envio0.91 kg
Dimensões da embalagem152 × 102 × 51 mm

Perguntas sobre este artigo

How does the 10000 RPM spindle speed affect sustained throughput on the SCSI bus?

The 10000 RPM rotation reduces rotational latency, so sequential reads and writes stay closer to the SCSI bus ceiling during long transfers.

What thermal and acoustic profile should I expect when the drive runs continuously in an enterprise array?

A 10000 RPM 3.5-inch mechanism produces noticeable whine and heat; plan for active airflow across the chassis bays.

Which SCSI host adapter and cable type are required to connect this 3.5-inch drive?

You need a compatible SCSI host adapter with the matching connector and a terminated SCSI cable for the 3.5-inch form factor.

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