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Silver 2.5 inch SAS hard drive in hot-swap tray

DELL

DELL 4GN49 300GB 2.5" SAS 15000 RPM laptop hard drive

SKU CH-KZXP-KEMD8 MPN 4GN49

A 300 GB 2.5 inch SAS internal hard drive spinning at 15000 RPM with a 64 MB buffer for Dell PowerEdge servers

  • Interface typeSerial Attached SCSI (SAS)
  • Form factor2.5 in (6.35 cm)
  • Rotational speed15,000 RPM
  • Recommended useIdeal for Servers
  • 300 GB capacity stores large server datasets
  • 15000 RPM spindle speed accelerates data access
  • SAS 6Gb/s interface delivers enterprise-grade throughput
  • 64 MB buffer smooths burst workloads
  • Hot-swap tray enables drive changes without downtime

Capacity and interface

This Dell 4GN49 is a 300 GB internal hard drive with a 2.5 inch form factor. It uses a SAS interface running at 6 Gb/s and spins at 15000 RPM. A 64 MB buffer supports sustained throughput. The drive ships new with a hot-swap tray included.

Server upgrades only

The part is built for Dell PowerEdge and PowerVault servers listed in the compatibility data. It suits administrators replacing a failed drive or adding capacity to those specific systems. Buyers needing a laptop drive for a consumer notebook should look elsewhere because the SAS interface and physical tray require a supported server backplane.

SAS 6 Gb/s connection

The drive connects through a Serial Attached SCSI 6 Gb/s port. Confirm that the target server provides a compatible SAS backplane and the correct hot-swap bay before purchasing. Without that interface the drive cannot be installed or used.

How it compares

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

Price $326.99
Pricier than about 90% of the 645 comparable items (median $66.99).

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Specifications

Product
Brand nameDell
Recommended useIdeal for Servers
Performance
Rotational speed15,000 RPM
Ports & slots
Interface typeSerial Attached SCSI (SAS)
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.68 kg
Package size137 × 79 × 15 mm

Questions about this item

How can I verify the 15000 RPM drive is performing correctly after installation?

Check the server BIOS or RAID controller for the reported spindle speed of 15000 RPM and confirm the 6Gb/s SAS link width; run a surface scan to validate the 300 GB capacity and 64 MB buffer operation.

What ships with the 4GN49 and what must I source separately?

The drive includes the factory-fitted hot-swap tray; you must provide a compatible 2.5" SAS bay, backplane power and data cables, and a RAID or HBA card that supports 6Gb/s SAS.

Which capacity or version of this Dell SAS drive should I select for a PowerEdge R720?

This listing is the single 300 GB, 15000 RPM, 6Gb/s SAS model with part number 4GN49; choose it when your R720 bay requires a 2.5" hot-swap drive of that exact capacity and speed.

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