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Silver 2.5 inch SAS hard drive with Dell label

DELL

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

SKU CH-T9JR-RB4G6

A 300 GB 15000 RPM 2.5" SAS internal hard drive with 64 MB buffer for Dell PowerEdge and PowerVault servers

  • Total capacity300 GB
  • Interface typeSAS
  • Form factor2.5 in (6.35 cm)
  • Rotational speed15,000 RPM
  • 300 GB capacity stores large server datasets
  • 15000 RPM spindle speed accelerates transaction-heavy workloads
  • 6Gb/s SAS interface delivers consistent throughput for RAID arrays
  • 64 MB buffer smooths burst I/O on Dell PowerEdge servers
  • 5 inch form factor fits dense PowerVault and blade chassis

300 GB 15K SAS drive for PowerEdge servers

This Dell 4GN49 drive provides 300 GB of storage on a 2.5" SAS interface spinning at 15000 RPM. A 64 MB buffer supports sustained throughput for transactional workloads. It is a new component validated for internal server bays.

Suits administrators refreshing Dell PowerEdge

The part matches the listed PowerEdge models including T310, R310, R720, R720XD and M1000e plus PowerVault MD1120, MD1220 and MD3620 series. Builders without a SAS backplane or without a compatible Dell chassis cannot install this drive.

6Gb/s SAS interface decides fit

The drive communicates over a 6Gb/s SAS link, so the host controller or backplane must support that standard. If the system only offers a different interface, the drive will not function.

How it compares

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

Price $25.99
Cheaper than about 93% 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 $86.63 per TB
Pricier than about 60% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Total capacity300 GB
Performance
Rotational speed15,000 RPM
Ports & slots
Interface typeSAS
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

What real-world throughput does the 6Gb/s SAS interface deliver on this drive?

The 6Gb/s SAS link caps at 600 MB/s, though the 15000 RPM platters and 64 MB buffer typically sustain lower sequential rates in practice.

Will the .6 inch height fit a standard 2.5 inch drive bay in a PowerEdge R710?

Yes, the .6 inch profile matches the standard 2.5 inch form factor used in the R710 and other listed PowerEdge servers.

How is the drive installed in a hot-swap tray, and what step is often missed?

Slide the drive into the tray until the SAS connector seats firmly, then lock the lever; the step often missed is fully engaging the lever so the drive reports ready to the RAID controller.

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