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3.5 inch SAS hard drive with circuit board visible

Epoch

Epoch XWM1W 4TB 7.2K SAS 12Gb/s 3.5" internal hard drive

SKU CH-2X8Q-KG3KK

4TB 3.5" SAS 12Gb/s 7200 RPM drive validated for Dell PowerEdge 12, 13, 14 generation and Tower 12, 14 generation servers

  • Total capacity4 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Recommended useIdeal for Servers
  • 4 TB capacity stores large server datasets
  • 7200 RPM spindle delivers responsive throughput
  • SAS 12 Gb/s interface moves data quickly
  • 5 inch form factor fits standard drive bays
  • Compatible with Dell PowerEdge 12 13 14 generation servers

Epoch 4TB SAS Server Drive

This 3.5-inch internal hard drive delivers 4TB of storage over a SAS 12Gb/s interface at 7200 RPM. It is built for server workloads and arrives in retail or OEM packaging. The drive is supplied new and tested for compatibility with listed Dell PowerEdge and Tower systems.

Replaces Slower SAS Spindles

The drive upgrades older SAS hard drives that run at lower spindle speeds or smaller capacities in compatible Dell servers. The jump is worth it when a workload needs higher sequential throughput and larger volume space without changing the drive bay or controller.

Check SAS Controller and Bay Fit

Verify that the server backplane and RAID controller support SAS 12Gb/s operation and accept a 3.5-inch form factor. Confirm the specific Dell model appears in the compatibility list before ordering.

How it compares

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

Price $260.99
Pricier than about 78% of the 4,938 comparable items (median $107.99).
Total capacity 4 TB
Higher than about 70% of the 2,372 comparable items (median 2 TB).
Price per TB $65.25 per TB
Typical for this category: the median of 2,365 items is $62.21 per TB.

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Specifications

Product
Total capacity4 TB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

What server drive bay size does the 3.5" 4TB SAS drive require?

The drive fits a standard 3.5-inch internal bay in any listed Dell PowerEdge or Tower server.

Which step is often missed when installing the drive into a Dell PowerEdge 12G or 13G server?

The drive must be seated in the hot-swap carrier and the carrier handle fully latched so the SAS connector engages the backplane.

What ongoing check does a 7200 RPM SAS drive in a Dell R720 or T420 need?

Monitor SMART reallocated-sector counts and run periodic surface scans to catch media wear before a rebuild is required.

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