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Silver 3.5 inch SAS hard drive with side label

Universal

Universal ST4000NM0023 4 TB SAS HDD 3.5" 7200 RPM 128 MB cache accessory

SKU CH-EG0J-1QHXQ MPN ST4000NM0023

A 4 TB 3.5-inch SAS hard drive spinning at 7200 RPM with 128 MB cache for hot-swap enterprise storage

  • Enterprise storage capacity with 4 TB SAS drive
  • Fast data access via 7200 RPM rotation speed
  • Large 128 MB cache boosts throughput
  • Hot-plug support enables drive swaps without downtime
  • 5 inch form factor fits standard server bays

4 TB SAS enterprise drive

This 4 TB internal hard drive uses a SAS 6 Gb/s interface and spins at 7200 RPM with a 128 MB cache. It is built in a 3.5 inch form factor for servers and storage arrays that require dual-port SAS connectivity.

Suits SAS backplanes, not desktop PCs

The drive targets administrators upgrading or expanding enterprise storage systems with SAS controllers or hot-swap backplanes. It is not for home PCs or laptops that only provide SATA ports and lack the required SAS host bus adapter.

Interface decides compatibility

A SAS host bus adapter or RAID controller with SAS ports is mandatory; a standard motherboard SATA connector cannot communicate with this drive. Verify your system has the correct SAS infrastructure before purchase.

Highlights

  • Enterprise storage capacity with 4 TB SAS drive
  • Fast data access via 7200 RPM rotation speed
  • Large 128 MB cache boosts throughput
  • Hot-plug support enables drive swaps without downtime
  • 5 inch form factor fits standard server bays

Specifications

No published specifications for this item yet.

Questions about this item

How is the 3.5" SAS drive installed in a hot-swap bay, and which step is often missed?

Slide the drive into the bay until the SAS connector seats firmly; the step often missed is engaging the locking lever or latch that secures hot-plug operation.

What maintenance will the 4 TB SAS drive need later?

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

What limit appears first on the 7200 RPM SAS drive during sustained writes?

The 128 MB cache fills quickly, so sustained throughput drops to the native media transfer rate once the buffer is exhausted.

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