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Silver 2.5 inch SAS hard drive bare unit

DELL

DELL 342-5521 1.2TB 10000 RPM SAS 2.5" internal hard drive

SKU CH-W5PF-XY77P MPN 342-5521

1.2 TB 10,000 RPM SAS hard drive for compatible Dell PowerEdge servers

  • Total capacity1.2 TB
  • Interface typeSerial Attached SCSI 2
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Rotational speed10,000 RPM
  • Mean latency12Gb/s
  • 2 TB capacity stores large server datasets
  • 10000 RPM spindle delivers fast data access
  • SAS interface provides reliable enterprise connectivity
  • 5 inch form factor fits dense PowerEdge bays
  • Designed for PowerEdge M610, R210, R310, R410, R510 and compatible models

Purpose-Built Server Storage

This 1.2TB SAS hard drive spins at 10000 RPM for Dell PowerEdge servers including the M610, M710, R410 and R710 lines. It targets administrators who need high-speed mechanical storage in a 2.5-inch form factor for database or virtualisation workloads. The 6Gb/s interface matches the backplane speed of the listed platforms.

Direct Backplane Installation

The bare drive slides into a compatible hot-swap tray and connects to the SAS backplane without cables or adapters. Installation fails when the server model is not on the supported list or when the tray is missing from the chassis. Firmware mismatches between the drive and the RAID controller can also prevent the array from initialising.

Verify Compatibility First

Confirm that your PowerEdge model appears in the supported series such as R210, R310, R410, R510, R610, R710, M610, M710 or M910 with 2.5-inch bays. Check that a Dell hot-swap tray is available for the specific chassis. Ensure the RAID controller supports 6Gb/s SAS drives and that the firmware is current.

How it compares

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

Price $392.99
Pricier than about 90% 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 $327.49 per TB
Pricier than about 86% of the 2,365 comparable items (median $62.21 per TB).

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameDell
Model name342-5521
Total capacity1.2 TB
Recommended useIdeal for Servers
Performance
Rotational speed10,000 RPM
Mean latency12Gb/s
Ports & slots
Interface typeSerial Attached SCSI 2
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.91 kg
Package size178 × 102 × 51 mm

Questions about this item

How can I verify the 10000 RPM drive is recognised at the correct speed after installation?

Check the server BIOS or RAID controller to confirm the SAS link negotiates at 6Gb/s and the drive reports 1.2TB capacity.

The listing says bare drive — does the package include a mounting tray or caddy for a PowerEdge server?

No tray is included; you must supply the correct Dell 2.5" hot-plug caddy for your specific PowerEdge model.

My server is a PowerEdge R420 — is this 1.2TB SAS drive the right capacity for a RAID 5 array?

The 1.2TB capacity works in any supported PowerEdge 2.5" bay; choose the number of drives to meet your RAID 5 space and redundancy needs.

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