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Silver 3.5 inch SAS hard drive with circuit board visible

DELL

DELL PYM8J 6TB 3.5" SAS 12Gb/s 7200RPM 512e internal hard drive

SKU CH-2ESF-88VY4

A 6 TB 3.5-inch SAS hard drive spinning at 7200 RPM with a 128 MB cache and 12 Gb/s transfer rate for nearline server storage

  • Total capacity6 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory128 MB
  • Data encryptionEncryption
  • 6 TB capacity stores large datasets
  • SAS 12 Gb/s interface enables fast data transfer
  • 7200 RPM spindle speed delivers responsive performance
  • 128 MB cache buffers intensive workloads
  • 512e format supports broad system compatibility

Dell PYM8J 6TB SAS drive

The Dell PYM8J is a 6TB 3.5-inch internal hard drive built for nearline server workloads. It spins at 7200 RPM with a 128MB cache and uses a SAS 12Gb/s interface. The 512e sector format supports modern operating systems while maintaining compatibility with legacy applications. Encryption is included to protect stored data at rest.

Suited for capacity-focused arrays

This drive fits administrators who need high-capacity bulk storage on a 12Gb/s SAS backbone. The 7200 RPM spindle speed delivers consistent sequential throughput for backup, archiving and media repositories. Buyers who need low-latency random I/O for transactional databases or virtualisation should look at solid-state alternatives. Systems limited to 6Gb/s SAS will not reach the rated interface speed.

SAS 12Gb/s interface decides fit

The drive requires a controller or backplane that supports SAS 12Gb/s to achieve the stated transfer rate. A 6Gb/s SAS connection will operate at the lower link speed and reduce peak bandwidth. Verify that the host adapter and cabling are rated for 12Gb/s before purchase. The 3.5-inch form factor fits standard hot-swap trays in compatible Dell PowerEdge and PowerVault chassis.

How it compares

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

Price $203.99
Pricier than about 70% of the 4,938 comparable items (median $107.99).
Total capacity 6 TB
Higher than about 75% of the 2,372 comparable items (median 2 TB).
Price per TB $34.00 per TB
Cheaper than about 77% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model namePYM8J
Total capacity6 TB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Storage
Cache memory128 MB
Data encryptionEncryption
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How does the 7200 RPM speed affect real-world performance in a server?

The 7200 RPM spindle delivers consistent throughput for nearline workloads such as bulk storage, backup targets and archiving, with the 128 MB cache helping to smooth bursty I/O.

What does the SAS 12 Gb/s interface limit in practice?

The SAS 12 Gb/s link caps the maximum host transfer rate at 12 Gb/s; actual sustained throughput will be lower and depends on the controller, cabling and drive firmware.

What physical space and mounting does the 3.5 inch form factor require?

The drive fits a standard 3.5 inch hot-swap bay and uses the tray type marked HS, so it slides into compatible Dell server chassis without an adapter.

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