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3.5 inch SATA hard drive, silver metal casing

Western Digital

Western Digital 26TB WD Purple Pro 3.5" SATA internal hard drive

SKU CH-2S7E-C872Y

A 26 TB SATA hard drive built for continuous surveillance workloads with a 550 TB yearly rating and 2.5 million hour MTBF

  • Enterprise-class reliability for demanding surveillance workloads
  • 550TB yearly workload rating handles continuous video recording
  • 5 million hours MTBF indicates long-term operational stability
  • 512 MB cache accelerates data access for analytics
  • 26TB capacity stores extensive high-resolution footage

26 TB surveillance storage

The Western Digital 26 TB WD Purple Pro is a 3.5 inch SATA internal hard drive built for continuous video recording and analytics workloads. It offers a 550 TB per year workload rating and up to 2.5 million hours mean time between failures. A 512 MB cache supports sustained write performance. The drive is supplied new in retail or OEM packaging.

Who should consider this drive

This drive suits installers and system integrators deploying large-scale network video recorder or analytics platforms that demand high capacity and enterprise-class endurance. It is not intended for general-purpose desktop storage, gaming libraries or workloads that require the low latency of solid-state media. Buyers needing a smaller capacity or a different interface should evaluate alternative models.

Check your system before ordering

Verify that your recorder or server has a free 3.5 inch drive bay and a SATA 6 Gb/s port with matching data and power cables. Confirm the host controller supports drives of this capacity and that the firmware is current. Ensure the chassis provides adequate airflow for continuous operation. Review the manufacturer's compatibility list for your specific NVR platform.

How it compares

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

Price $1,089.99
Pricier than about 91% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What SATA host controller or backplane must my system provide for this 3.5" drive to operate?

The drive connects via a standard SATA 6 Gb/s interface, so the host controller or backplane must supply a SATA data port and matching power connector.

Can the 26 TB WD Purple Pro share the same SATA controller with older 3.5" surveillance drives without bandwidth conflict?

Each drive negotiates its own SATA 6 Gb/s link, so legacy drives run at their rated speed while this unit uses the full 6 Gb/s bandwidth on its port.

How can I verify the 512 MB cache and 550 TB yearly workload rating are active after installation?

Check the SMART attributes for cache size and workload-counter fields using the manufacturer’s diagnostic tool; they will report the 512 MB buffer and accumulated host writes.

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