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Silver 3.5 inch SAS hard drive with tray

DELL

DELL 342-5518 1.2TB 3.5" SAS 10000 RPM internal hard drive

SKU CH-T7DJ-HVZEN

A 1.2 TB SAS hard drive spinning at 10000 RPM in a 3.5 inch hybrid carrier with a 2.5 inch mechanism and 64 MB buffer

  • Total capacity1.2 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed10,000 RPM
  • Mean latency12Gb/s
  • High-capacity 1.2TB storage for demanding workloads
  • 10000 RPM spindle speed delivers fast data access
  • SAS 12Gb/s interface enables high-throughput transfers
  • 5-inch form factor fits standard drive bays
  • 64MB buffer smooths burst I/O performance

Dell 342-5518 1.2TB SAS Drive

This Dell 342-5518 is a 1.2TB internal hard drive built for desktop and server storage. It uses a SAS 12Gb/s interface and spins at 10000 RPM. The unit comes as a bare drive in a 3.5 inch form factor with a hybrid carrier tray. It is suited for environments that require consistent rotational speed.

Best for SAS Bays Needing 10K Speed

This drive fits systems with a SAS 12Gb/s backplane that can accommodate a 3.5 inch form factor. It is not for buyers who need a different physical size or interface. It is not for buyers who need a lower spindle speed for quieter operation. It is not for buyers who need a higher capacity than 1.2TB.

SAS 12Gb/s Interface and 10000 RPM

The single specification that decides fit is the SAS 12Gb/s interface combined with 10000 RPM. The drive delivers a 12Gb/s average latency rating and includes a 64MB buffer. Verify that your controller and backplane support this interface and form factor before purchase.

How it compares

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

Price $75.99
Cheaper than about 61% of the 4,938 comparable items (median $107.99).
Total capacity 1.2 TB
Lower than about 58% of the 2,372 comparable items (median 2 TB).
Price per TB $63.32 per TB
Typical for this category: the median of 2,365 items is $62.21 per TB.

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Specifications

Product
Brand nameDell
Model name342-5518
Total capacity1.2 TB
Performance
Rotational speed10,000 RPM
Mean latency12Gb/s
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Does the 3.5" SAS drive include a tray for a 2.5" bay?

The 342-5518 ships with a hybrid carrier that adapts the 2.5" mechanism to a standard 3.5" slot.

Which cable connects the 12Gb/s SAS interface to the controller?

A standard SAS cable attaches to the drive's edge connector; the drive is hot-pluggable so power must be off before insertion.

When should the 10000 RPM mechanism be replaced in a RAID array?

Monitor SMART reallocated-sector counts and replace the 1.2TB unit once the count rises or patrol-read errors appear.

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