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Silver 3.5-inch SAS hard drive in anti-static bag

Epoch

Epoch 4TB 7200 RPM SAS 12Gb/s 3.5" internal hard drive replacement kit

SKU CH-8JG7-3ADEW

4TB 7200 RPM SAS 12Gb/s 3.5" drive kit validated for Dell PowerEdge 12, 13, 14 generation and Tower 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
  • 7 200 RPM spindle speed delivers responsive data access
  • SAS 12 Gb/s interface supports high-throughput enterprise workloads
  • 5 inch form factor fits standard server drive bays
  • Compatible with Dell PowerEdge 12 13 14 generation rack and tower servers

Epoch 4TB SAS 12Gb/s server drive

This Epoch kit supplies a 4TB 7200 RPM SAS 12Gb/s 3.5" hard drive built for Dell PowerEdge and Tower servers. The drive is new and ships in retail or OEM packaging that may vary. It is intended for administrators who need a direct replacement for compatible enterprise systems.

Suits listed Dell 12 13 14 generation servers

The replacement kit is validated for PowerEdge 12 generation models including R220 R320 R420 R420xr R520 R620 R720 R720xd R820 R920 and Tower 12 generation T20 T320 T420 T620. It also covers PowerEdge 13 generation R230 R330 R430 R530 R530xd R630 R730 R730xd R830 R930 and Tower 14 generation T40 T140 T340 T440. Buyers whose servers are not on this compatibility list should look elsewhere.

SAS 12Gb/s interface decides fit

The single specification that determines whether this is the correct part is the SAS 12Gb/s interface. Only systems with a SAS 12Gb/s backplane or controller that accepts 3.5" 7.2K drives can use this kit. Verify the server model against the supported 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 $273.99
Pricier than about 80% 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 $68.50 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

Will the SAS 12Gb/s interface require any firmware updates or controller replacements over time?

The drive uses a standard SAS 12Gb/s interface compatible with Dell PowerEdge 12, 13 and 14 Generation servers listed; no proprietary firmware is mentioned, so the drive itself should not need updates, though the server controller may receive independent vendor patches.

What is the first limit reached during sustained 7200 RPM operation in a server chassis?

The 7200 RPM spindle speed and SAS 12Gb/s link set the sustained throughput ceiling; in a multi-drive array the backplane bandwidth or controller queue depth typically saturates before the single drive’s mechanical limit.

How much noise and heat does the 3.5" 4TB drive add when running all day in a Dell PowerEdge R720?

As a 7200 RPM 3.5" enterprise drive it produces typical mechanical noise and heat for its class; the server’s existing fan curves and airflow design for the listed 12th-14th Generation chassis manage thermals without extra hardware.

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