Western Digital Ultrastar 7K6 HUS726T4TALS204 4 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)

Meet the Ultrastar 7K6 4 TB hard drive from Western Digital, a purpose-built, enterprise-class storage solution designed to power modern data centers with reliability, scalability, and efficiency. The HUS726T4TALS204 model delivers a robust, 4-terabyte capacity in a 3.5-inch internal form factor, paired with a Serial Attached SCSI (SAS) interface that supports 12 Gb/s backplane connectivity. Engineered for continuous operation in demanding environments, this drive is ideal for virtualization, data protection, backups, databases, and a wide range of enterprise workloads where predictable performance and long-term endurance matter most.

• Designed for enterprise data centers: Ultrastar 7K6 is built to handle persistent workloads across virtualized environments, databases, and large-scale storage applications. With a focus on consistent throughput and steady I/O, it helps data centers deliver reliable access to critical data while maintaining service levels for business-critical applications.
• High-capacity 4 TB for consolidation and efficiency: This drive offers ample space to consolidate storage pools, reduce sprawl, and optimize data management. It enables larger virtual machines, dense backups, and archival workflows without frequent tiering or capacity planning headaches, helping IT teams lower total cost of ownership over the lifecycle of the storage infrastructure.
• SAS 12 Gb/s interface for fast, reliable connectivity: The 12 Gb/s SAS interface delivers high-bandwidth pathways to compatible backplanes and RAID controllers, supporting rapid data transfer, low-latency access, and improved I/O sequencing. This makes the Ultrastar 7K6 an excellent fit for rack mounts and enclosures that demand robust, controller-friendly performance.
• 3.5-inch enterprise form factor with server-grade reliability: The 3.5-inch internal drive is designed to fit standard server, storage, and backplane environments. Coupled with enterprise-grade components, it delivers endurance for 24/7 operation, steady performance under mixed workloads, and long service life in demanding data-center deployments.
• Optimized for reliability and data integrity in 24/7 workloads: Built to withstand the rigors of continuous operation, Ultrastar drives emphasize data protection, error correction, and stable spin-up behavior. For IT leaders, this translates to dependable uptime, predictable recovery times, and resilient performance during peak activity.

Technical Details of Western Digital Ultrastar 7K6 HUS726T4TALS204 4 TB Hard Drive

• Form factor: 3.5-inch internal enterprise hard drive
• Interface: SAS 12 Gb/s
• Capacity: 4 TB
• Target workload: Enterprise servers, storage arrays, and data centers
• Cooling and power: optimized for 24x7 operation in rack environments

How to install Western Digital Ultrastar 7K6 HUS726T4TALS204 4 TB Hard Drive

Install this drive in a compatible 3.5-inch drive bay or hot-swap enclosure following best-practice data-center procedures. The steps below outline a typical installation flow for enterprise systems:

• Power down the server or storage enclosure and unplug from power.
• Access the chassis and locate an available 3.5-inch drive bay or hot-swap sled appropriate for your backplane.
• Insert the Ultrastar 7K6 drive into the drive tray or sled, aligning connectors with the backplane for a secure connection.
• Secure the drive with the appropriate screws or latch mechanism provided by the chassis, ensuring the tray is firmly seated.
• Reconnect SAS backplane cables to the drive’s interface port and verify snug connections.
• Mount the drive tray back into the chassis, replace any panels, and power on the system.
• Enter the system BIOS or RAID/controller configuration utility to detect the new drive, initialize it if required, and add it to an existing array or pool per your storage policy.
• Run baseline health checks using management software (SMART data, temperature, and spin-up behavior) to confirm the drive is operating within expected parameters.

Frequently asked questions

• Q: What is the capacity of this drive?

  A: This Ultrastar 7K6 model provides 4 terabytes of high-capacity storage suitable for data centers, virtualization, backups, and archival workloads.

• Q: What interface does it use?

  A: It uses a SAS (Serial Attached SCSI) 12 Gb/s interface, designed for fast, reliable communication with modern enterprise backplanes and controllers.

• Q: Is this drive hot-swappable?

  A: Yes, when installed in compatible hot-swap trays and backplanes, the Ultrastar 7K6 drive can be swapped without powering down the host, minimizing downtime in data-center environments.

• Q: What workloads is this drive best suited for?

  A: It is optimized for traditional data center applications, including virtualization, databases, backup and restore operations, and archival workloads that require predictable latency and steady throughput.

• Q: What warranty or support is included?

  A: Warranty terms vary by region and seller. Check WD’s official warranty policy and the dealer's terms for the precise coverage, replacement options, and service levels applicable to your purchase.