Seagate

Seagate ST6000NM0014 6TB 7200RPM SAS Enterprise HDD

Enterprise-grade 6TB SAS drive built for 24/7 data center operation with 7200RPM speed and 128MB cache.

$196.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Seagate Enterprise Capacity 3.5 HDD (ST6000NM0014) is engineered for the sustained, around-the-clock demands of data center storage. At 6TB, it offers substantial capacity in a standard 3.5-inch form factor, making it a practical building block for RAID arrays, SAN appliances, and direct-attached storage shelves. The SAS 12Gbps interface doubles the bandwidth of its 6Gbps predecessors, ensuring that the drive's throughput is not bottlenecked at the connection level, which is particularly important when multiple drives share a SAS expander backplane.

Under the hood, a 7200RPM spindle speed paired with a 128MB cache delivers the sustained read and write performance that enterprise workloads require, whether serving sequential video streams or handling mixed random I/O from database applications. Rotational vibration sensors are built into the drive to detect and compensate for interference from neighboring drives — a critical feature in dense rack-mounted enclosures where dozens of spinning disks operate in close proximity. For IT departments and hosting providers that need proven, high-capacity mechanical storage behind a SAS fabric, the ST6000NM0014 delivers the reliability and interface compatibility that enterprise environments demand.

Specifications

Capacity
6TB
Spindle Speed
7200 RPM
Cache
128MB
Interface
SAS 12Gbps
Form Factor
3.5-inch
Model
ST6000NM0014

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Pros & Cons

👍 Pros

  • 6TB capacity in a single 3.5-inch drive reduces the number of bays needed for high-capacity storage
  • SAS 12Gbps interface provides the bandwidth and reliability demanded by enterprise storage arrays
  • 7200RPM spindle speed and 128MB cache deliver consistent throughput for sequential and random workloads
  • Built-in rotational vibration sensors maintain performance in dense multi-drive enclosures

👎 Cons

  • SAS interface is incompatible with consumer SATA-only motherboards, requiring a dedicated SAS controller
  • Mechanical drive performance cannot match SSD speeds for random I/O-heavy applications
  • 7200RPM operation generates more heat and noise than lower-speed or solid-state alternatives
  • As an older enterprise model, it may be approaching end-of-life for vendor firmware updates and support

Frequently Asked Questions

It uses a SAS 12Gbps (Serial Attached SCSI) interface, which is designed for enterprise servers and storage arrays — it will not connect to standard consumer SATA ports without a compatible SAS controller or backplane.
Yes, the Enterprise Capacity 3.5 HDD is designed for multi-drive environments and includes features like rotational vibration sensors that help maintain performance when operating alongside other drives in a RAID configuration.
Seagate's Enterprise Capacity drives in this class are rated for heavy 24/7 workloads typical of data center and server environments, significantly exceeding the duty cycle of desktop or NAS-class drives.
No, the SAS 12Gbps interface requires a SAS host bus adapter or compatible server backplane. Standard desktop motherboards only support SATA connections and cannot communicate with SAS drives.