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Silver 3.5 inch SAS hard drive bare unit with hot-swap tray attachment

DELL

DELL 0M40TH 8TB 3.5" SAS 7200 RPM internal hard drive

SKU CH-C3TJ-EKSF3

8 TB 3.5" SAS 7200 RPM nearline drive with 12 Gb/s transfer and hot-swap tray

  • Total capacity8 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Mean latency12Gb/s
  • 8 TB capacity stores large datasets
  • 12 Gb/s SAS interface enables fast data transfer
  • 7200 RPM spindle speed delivers responsive performance
  • 5 inch form factor fits standard drive bays
  • Hot-swap tray allows drive replacement without system downtime

Dell 0M40TH 8TB SAS Drive

The Dell 0M40TH is an 8TB 3.5-inch internal hard drive built for nearline workloads. It uses a SAS 12Gb/s interface and spins at 7200 RPM to deliver consistent throughput for bulk storage arrays.

Suits servers and arrays with SAS backplanes

This drive fits systems that accept 3.5-inch SAS devices and support hot-swap trays. It is not suitable for builds that require a different physical interface or a smaller form factor.

SAS 12Gb/s interface decides compatibility

The drive connects only through a 12Gb/s SAS port, so the host controller or backplane must provide that exact link. Without a matching SAS connection the drive cannot be used.

How it compares

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

Price $414.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 8 TB
Higher than about 80% of the 2,372 comparable items (median 2 TB).
Price per TB $51.87 per TB
Cheaper than about 59% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name0M40TH
Total capacity8 TB
Performance
Rotational speed7,200 RPM
Mean latency12Gb/s
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How do I install the Dell 0M40TH 8TB 3.5" SAS drive in a hot-swap bay?

Slide the bare drive into the carrier tray until the SAS connector seats firmly, then insert the assembly into the hot-swap bay until the latch clicks.

What maintenance will the Dell 0M40TH 8TB 7200 RPM drive need later?

No routine maintenance is required; monitor SMART attributes and replace the drive if reallocated sectors or seek errors increase.

What limit appears first on the Dell 0M40TH 8TB Nearline SAS drive under sustained writes?

The 7200 RPM spindle caps sustained throughput near 200 MB/s before the 12 Gb/s SAS interface becomes a bottleneck.

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