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Silver 3.5 inch bare SAS hard drive with exposed circuit board

DELL

DELL HT953 300GB 15K SAS 3Gb/s 3.5" internal hard drive

SKU CH-X5QB-2FHDB

A 300 GB, 15 000 RPM SAS drive in a 3.5 inch form factor for high-speed server storage

  • Total capacity300 GB
  • Interface typeSAS 3Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed15,000 RPM
  • 15000 RPM spindle speed accelerates data access
  • SAS 3Gb/s interface delivers 3 Gb/s transfer rate
  • 300 GB capacity stores operating system and applications
  • 5 inch form factor fits standard desktop bays
  • 90 day warranty covers the drive after purchase

Dell HT953 300GB SAS drive for 3.5" bays

This is a new Dell HT953 internal hard drive with a 300GB capacity and a 3.5 inch form factor. It connects via a SAS 3Gb/s interface and spins at 15000 RPM. The unit ships as a bare drive in ESD protective packaging.

Suits arrays requiring 15K SAS spindles.

This drive suits administrators replacing a failed drive in a compatible Dell server or array where 15K performance is required. Buyers who need larger capacity per bay should look at different models. It is not for systems that cannot accept a 3.5 inch SAS device.

15000 RPM spindle speed determines latency

The 15000 RPM rotation speed is the specification that decides whether this is the right part for latency-sensitive workloads. Verify the host controller supports SAS 3Gb/s and the chassis accepts a 3.5 inch form factor before purchase. The 300GB capacity and bare drive packaging complete the profile.

How it compares

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

Price $49.99
Cheaper than about 78% 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 $166.63 per TB
Pricier than about 74% 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 and which step is often missed?

Mount the drive in a 3.5" bay, connect the SAS data and power cables, then ensure the backplane or controller detects the 15000 RPM spindle at 3Gb/s link speed.

What maintenance or replacement will the HT953 need later?

The 15000 RPM mechanical mechanism will eventually wear; plan to replace the drive once SMART reallocated sectors rise or audible bearing noise appears.

What limit appears first during sustained use of this 300GB SAS drive?

The 3Gb/s SAS interface caps sustained throughput, so long sequential transfers hit the bus ceiling before the 15000 RPM platters saturate.

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