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Silver 3.5 inch SAS hard drive with tray, 7200 RPM, 3TB capacity

DELL

DELL 91k8t 3TB 7200 RPM 3.5" SAS Laptop Internal Hard Drive

SKU CH-ZEAH-2C429

A 3.5" SAS hard drive with 3TB capacity and 7200 RPM speed for server storage

  • Total capacity3 TB
  • Interface typeSerial Attached SCSI (SAS)
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeHard Drive
  • Rotational speed7,200 RPM
  • Recommended useIdeal for Servers
  • 3 TB capacity stores large server datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • 6 Gbps SAS interface supports dual-port reliability
  • 5-inch form factor fits standard drive bays
  • 64 MB cache buffers burst write operations

Dell 91k8t 3TB SAS drive

The Dell 91k8t is a 3.5 inch internal hard drive with a 3TB capacity and a 7200 RPM spindle speed. It uses a Serial Attached SCSI interface rated at 6 Gbps and includes a 64 MB buffer. The drive is supplied new with a tray for installation in compatible Dell PowerVault servers.

Suited for high-capacity server storage

This drive suits administrators expanding storage arrays in Dell PowerVault systems that accept 3.5 inch SAS drives. The 7200 RPM speed and 3TB capacity support nearline workloads requiring large volumes. Buyers needing a 2.5 inch form factor or a different interface protocol should look at other parts.

SAS 6 Gbps interface determines compatibility

The single specification that decides fit is the Serial Attached SCSI 6 Gbps interface combined with the 3.5 inch form factor. The server backplane and controller must support this exact interface and physical size for the drive to function. Verify the system documentation matches these parameters before purchase.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $42.99
Cheaper than about 76% of the 645 comparable items (median $66.99).
Total capacity 3 TB
Higher than about 91% of the 419 comparable items (median 320 GB).
Price per TB $14.33 per TB
Cheaper than about 99% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameDell
Model name91k8t
Total capacity3 TB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeHard Drive
Ports & slots
Interface typeSerial Attached SCSI (SAS)
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Will the 91k8t 3.5" SAS drive install in my existing 6 Gbps SAS backplane?

The 91k8t uses a Serial Attached SCSI interface rated at 6 Gbps, so it connects directly to any standard 6 Gbps SAS backplane without adapters.

How can I verify the 7200 RPM drive is healthy after installation?

Check SMART attributes for reallocated sectors and run a full surface scan; the drive should report zero reallocated sectors and complete the scan without errors.

Does the 91k8t ship with a mounting tray or only the bare drive?

The supplier description confirms the drive includes a tray for PowerVault servers; no separate tray or caddy is required for those chassis.

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