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Silver 3.5 inch SAS hard drive bare unit

DELL

DELL R755K 2 TB 3.5" SAS 7200 RPM internal hard drive

SKU CH-XVSA-EC3Q9

A 2 TB, 7200 RPM SAS hard drive in a 3.5 inch form factor with a 16 MB cache, built for Dell PowerVault MD1200 and MD1220 arrays

  • PackagingBare Drive
  • InterfaceSerial Attached SCSI (SAS)
  • Capacity2TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache16MB
  • 2 TB capacity stores large server datasets
  • 7200 RPM spindle speed delivers responsive data access
  • 16 MB buffer smooths burst read and write loads
  • 6Gb/s SAS interface connects directly to PowerVault MD1200 and MD1220 arrays
  • RoHS certified materials reduce hazardous substance content

Server storage drive

The Dell R755K is a 2 TB 3.5 inch internal hard drive built for server environments. It uses a SAS interface running at 6 Gb/s and spins at 7200 RPM with a 16 MB buffer. This drive suits administrators expanding capacity in compatible Dell PowerVault arrays.

Bare drive build and SAS connectivity

The unit ships as a bare drive without a carrier or mounting brackets, so installation depends on the enclosure sleds. Dual-port SAS connectors provide multipath redundancy and secure screw-down attachment. RoHS certification confirms compliance with hazardous-substance restrictions.

Compatibility limited to MD1200 and MD1220 arrays

Dell validates the R755K only for PowerVault MD1200 and MD1220 storage arrays. Buyers using other chassis, workstations or NAS units should verify support before purchase. The drive is not qualified for non-Dell platforms or consumer desktop use.

Highlights

  • 2 TB capacity stores large server datasets
  • 7200 RPM spindle speed delivers responsive data access
  • 16 MB buffer smooths burst read and write loads
  • 6Gb/s SAS interface connects directly to PowerVault MD1200 and MD1220 arrays
  • RoHS certified materials reduce hazardous substance content

Specifications

BrandDell
ModelR755K
PackagingBare Drive
InterfaceSerial Attached SCSI (SAS)
Capacity2TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache16MB
FeaturesHard Drive
UsageIdeal for Servers
Form Factor3.5"

Questions about this item

Does the 6 Gb/s SAS interface limit the real-world throughput of this R755K drive?

The 6 Gb/s SAS link sets the maximum bus speed; the 7200 RPM platters and 16 MB cache determine the actual sustained transfer rate, which will not exceed the interface ceiling.

What physical space and mounting does the 3.5" R755K require?

It needs a standard 3.5" internal drive bay with SAS backplane connectors and the usual side-mount screw holes.

What is the common installation mistake with this SAS drive in a PowerVault MD1200 or MD1220?

Inserting the drive without fully engaging the SAS connector on the backplane; the tray must click home so the interface seats properly.

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