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Silver 3.5 inch SAS hard drive with Dell label

DELL

DELL HT953 300GB 15000 RPM SAS 3.5" internal hard drive

SKU CH-4XJS-GP80Z

300 GB SAS hard drive spinning at 15,000 RPM in a 3.5 inch form factor

  • Total capacity300 GB
  • Interface typeSAS 3Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed15,000 RPM
  • 15000 RPM spindle speed enables fast data access for demanding workloads
  • SAS 3Gb/s interface provides reliable connectivity for server and storage arrays
  • 300 GB capacity stores operating systems, applications and critical data
  • 5 inch form factor fits standard drive bays in compatible Dell PowerEdge systems
  • New condition ensures full manufacturer specification and zero prior usage

Purpose-built enterprise storage

The Dell HT953 is a 300GB 3.5-inch internal hard drive spinning at 15000 RPM over a SAS 3Gb/s interface. It is designed for servers and storage arrays such as the PowerEdge 2900, 2950 and MD3000 that demand high transaction rates in a standard drive bay.

Thermals noise and power profile

At 15000 RPM the drive generates more heat and acoustic output than slower nearline disks, so adequate chassis airflow is required. Power consumption scales with the spindle speed and the SAS 3Gb/s controller, matching the thermal envelope expected in 3.5-inch enterprise bays.

Sustained workload behaviour

The 15K spindle delivers consistent IOPS and low latency across extended duty cycles, avoiding the performance drop-off seen in burst-oriented drives. It suits databases, virtualisation hosts and tier-one applications where write-heavy workloads run continuously.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $24.99
Cheaper than about 93% of the 4,938 comparable items (median $107.99).
Total capacity 300 GB
Lower than about 88% of the 2,372 comparable items (median 2 TB).
Price per TB $83.30 per TB
Pricier than about 59% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model nameHT953
Total capacity300 GB
Performance
Rotational speed15,000 RPM
Ports & slots
Interface typeSAS 3Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How do I install the 3.5" SAS drive into a Dell PowerEdge 2950 tray and what step is often missed?

Slide the drive into the hot-swap carrier until the connector seats firmly, then lock the lever; the step often missed is ensuring the SAS 3Gb/s backplane port is enabled in the RAID controller BIOS before the OS sees the 300GB volume.

What maintenance or replacement will the 15000 RPM SAS drive need over time?

The 15000 RPM mechanical mechanism will eventually wear; plan to replace the drive once SMART reallocated-sector counts rise or after the rated annualised failure rate window for 15K SAS enterprise drives.

What performance limit appears first when the 300GB 15K SAS drive runs sustained workloads?

The SAS 3Gb/s interface caps sustained throughput at roughly 300 MB/s, so the interface bottleneck arrives before the 15000 RPM media can deliver higher sequential rates.

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