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Small silver 2.5 inch SAS hard drive with circuit board visible

DELL

DELL 3NKW7 300GB 10K 2.5" SAS 12Gb/s 128MB internal hard drive

SKU CH-4QDC-PJ9DQ

A 300 GB, 10,000 RPM SAS 12Gb/s hard drive with 128 MB cache in a 2.5 inch form factor

  • Total capacity300 GB
  • Interface typeSAS 12Gb/s
  • Form factor2.5 in (6.35 cm)
  • Rotational speed10,000 RPM
  • Cache memory128 MB
  • 300 GB capacity stores large datasets
  • 10 000 RPM spindle delivers fast data access
  • 12 Gb/s SAS interface enables high-throughput transfers
  • 128 MB cache accelerates read and write operations
  • 5 inch form factor fits dense server bays

Capacity and interface

The drive delivers 300GB of storage on a SAS 12Gb/s interface with a 128MB cache. It fits 2.5-inch bays and spins at 10000 RPM for quick data access. The new condition means it has not been previously deployed.

Headroom and limits

The 300GB capacity suits operating-system volumes, database logs or tiered-storage pools that need low latency. Workloads requiring multiple terabytes will exceed the available space. The 12Gb/s link provides bandwidth headroom for sustained sequential transfers.

Thermals and power

A 10000 RPM spindle generates more heat than slower drives, so adequate case airflow is necessary. Typical SAS enterprise drives draw modest power during idle and seek operations. Acoustic output is noticeable in quiet environments but remains within enterprise norms.

How it compares

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

Price $43.99
Cheaper than about 83% 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 $146.63 per TB
Pricier than about 72% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name3NKW7
Total capacity300 GB
Performance
Rotational speed10,000 RPM
Storage
Cache memory128 MB
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

Will the 2.5" SAS 12Gb/s drive fit and negotiate speed in my older server that only has 6Gb/s backplanes?

The drive uses a standard 2.5" SAS connector and will physically fit; it will negotiate down to 6Gb/s on a 6Gb/s backplane.

How can I confirm the 10000 RPM spindle and 128MB cache are active after installation?

Check the drive’s SMART data or controller BIOS — both will report 10000 RPM and 128MB cache.

Does the 3NKW7 ship with a mounting tray or caddy, or must I supply my own?

Packing varies between retail and OEM; a tray is not guaranteed, so plan to use your existing 2.5" caddy.

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