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Three silver 2.5-inch SAS hard drives on a plain background

Seagate

Seagate Savvio 15K.3 ST9300653SS 300GB 15000RPM SAS 64MB 2.5" internal hard drive

SKU CH-8PCH-JQVBZ

A 2.5-inch SAS drive spinning at 15000 RPM with 300 GB capacity and 64 MB cache for high-performance server storage

  • 15,000 RPM spindle accelerates data access for transaction-heavy workloads
  • 64 MB cache buffers bursts to sustain throughput under load
  • SAS 6 Gb/s interface connects directly to enterprise controllers
  • 5 inch form factor fits dense server bays and storage arrays
  • 300 GB capacity provides fast primary storage for critical applications

Enterprise 2.5-inch SAS drive

The Seagate Savvio 15K.3 ST9300653SS is a 300 GB 2.5-inch internal hard drive built for enterprise servers and storage arrays. Its 15 000 RPM spindle speed and 6 Gb/s SAS interface deliver the consistent throughput and low latency that transaction-heavy workloads demand. The 64 MB cache helps smooth burst I/O without adding complexity. This drive suits administrators who need proven mechanical reliability in a small form factor.

Thermals noise and power draw

Spinning at 15 000 RPM naturally produces more heat and audible seek noise than slower near-line drives, so adequate chassis airflow is required. Power consumption rises under sustained random workloads, reflecting the higher spindle speed and SAS signalling rate. The 2.5-inch form factor still allows dense packaging when cooling is properly designed. Acoustic output is noticeable in quiet rack environments but typical for this performance tier.

15 000 RPM spindle speed

The single specification that decides fit is the 15 000 RPM rotational speed. It determines the drive's IOPS ceiling and average latency, making it suitable for write-intensive databases, logging tiers and high-frequency trading storage. Buyers who need larger capacity per spindle or lower power per terabyte should evaluate slower near-line SAS or solid-state alternatives instead.

Points forts

  • 15,000 RPM spindle accelerates data access for transaction-heavy workloads
  • 64 MB cache buffers bursts to sustain throughput under load
  • SAS 6 Gb/s interface connects directly to enterprise controllers
  • 5 inch form factor fits dense server bays and storage arrays
  • 300 GB capacity provides fast primary storage for critical applications

Caractéristiques

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Questions sur cet article

How do I install the 2.5" SAS drive into a 3.5" server bay and what step is often missed?

Use a 2.5-to-3.5 inch adapter bracket, secure the drive with four screws, connect the SAS data and power cables, then enable the SAS controller in the system BIOS so the 15000RPM drive is recognised.

What maintenance or replacement will the ST9300653SS need after extended operation?

The 15000RPM mechanical mechanism and 64MB cache are sealed; no user-serviceable parts exist, so plan to replace the entire 300GB unit when SMART attributes indicate wear or performance drops.

What limit appears first on the 6Gb/s SAS interface during sustained heavy writes?

The 15000RPM spindle and 64MB buffer sustain throughput until the 6Gb/s SAS link saturates, making the interface bandwidth the first bottleneck under continuous load.

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