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Standard 3.5 inch SAS hard drive with silver metal casing and circuit board visible

Epoch

Epoch 4TB 7200 RPM SAS 12Gb/s 3.5" Internal Hard Drive

SKU CH-8T5K-361R3

4 TB 3.5" SAS 12Gb/s 7200 RPM drive 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
  • High capacity stores large server datasets
  • 7200 RPM spindle delivers responsive data access
  • SAS 12Gb/s interface provides fast host throughput
  • 5 inch form factor fits standard drive bays
  • Validated compatibility across Dell PowerEdge 12 13 14 generation servers

4 TB SAS 12Gb/s Server Drive

This 3.5 inch internal hard drive delivers 4 TB of storage on a SAS 12Gb/s interface spinning at 7200 RPM. It is built for Dell PowerEdge and Tower servers across the 12, 13 and 14 generation families. The drive arrives new in retail or OEM packaging and carries a three-year warranty with technical support.

Ideal for Compatible Dell Servers

The drive suits administrators upgrading or repairing the listed PowerEdge R and T models from generations 12, 13 and 14. Buyers whose servers are not on the supported list should look elsewhere because compatibility is not guaranteed. Anyone needing a different capacity, interface or form factor must choose another product.

SAS 12Gb/s Interface

The single specification that decides fit is the SAS 12Gb/s interface; the server backplane and controller must support this exact protocol. Without a matching SAS 12Gb/s connection the drive will not function in the target system.

How it compares

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

Price $268.99
Pricier than about 79% 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 $67.25 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

Should I choose the 4TB 7200 RPM SAS 12Gb/s model or a different capacity for my server?

The 4TB capacity with 7200 RPM suits high-capacity nearline storage in compatible Dell PowerEdge and Tower servers where sequential throughput matters more than low latency.

What does the 12Gb/s SAS interface deliver once the drive is installed in a real server?

The 12Gb/s SAS link supports the full 12 Gbit/s signalling rate, but sustained throughput is capped by the 7200 RPM mechanical media and the server backplane topology.

Which SAS standard does this drive use and what does it limit in practice?

It uses the SAS 12Gb/s standard, limiting the drive to 12 Gbit/s controller negotiation while actual I/O performance depends on the 7200 RPM spindle speed and queue depth.

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