Seagate

Seagate Exos X16 16TB 7200 RPM SATA 6Gb/s Enterprise HDD Renewed

4.1 (509 reviews)

Enterprise-grade 16TB helium-sealed storage built for always-on workloads, now available renewed with a six-month warranty.

$388.99*$524.77Save 25%
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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 Exos X16 16TB is part of Seagate's enterprise storage lineup, engineered for hyperscale data centers, NAS appliances, and high-density server environments that demand around-the-clock reliability. Built on a helium-sealed platform, the drive packs more recording platters into a standard 3.5-inch chassis than conventional air-filled designs, achieving 16TB of raw capacity while keeping power draw and heat output in check. The 7200 RPM spindle speed paired with a generous 256MB cache delivers sustained throughput suitable for sequential workloads like video surveillance, backup, and bulk data ingest.

This renewed unit has been tested and verified for functionality and ships with a six-month replacement warranty. The SATA 6Gb/s interface ensures broad compatibility with consumer and enterprise SATA controllers alike, and the drive supports both 512e and 4Kn sector formats for flexible deployment. Seagate's PowerBalance firmware feature allows administrators to tune the drive's performance-to-power ratio, which can be meaningful when scaling to dozens or hundreds of drives in a single rack. For users seeking high-capacity, cost-effective bulk storage without moving to an entirely new platform, the Exos X16 remains a proven choice.

Key Features

Factory Seagate hard drives come with a six-month replacement warranty.

PowerBalance feature enhances IOPS/ Watt

Helium - sealed drives means no porosity and uniform density

Specifications

Capacity
16TB
Spindle Speed
7200 RPM
Interface
SATA 6Gb/s
Cache
256MB
Form Factor
3.5-Inch
Sector Size
512e / 4Kn
Drive Design
Helium-Sealed
Condition
Renewed
Warranty
Six-Month Replacement

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Pros & Cons

👍 Pros

  • 16TB capacity in a single 3.5-inch drive reduces the number of bays needed for large storage arrays
  • Helium-sealed design lowers power consumption and operating temperatures compared to air-filled drives
  • 7200 RPM spindle speed with 256MB cache provides strong sequential and random read/write performance for an HDD
  • Enterprise-rated reliability designed for 24/7 operation in demanding environments

👎 Cons

  • Renewed unit carries only a six-month warranty, significantly shorter than the five-year warranty on new Exos drives
  • At 7200 RPM, random access speeds are still far slower than any SSD solution
  • No hardware encryption features mentioned, which some enterprise environments may require
  • Being a renewed drive, the prior usage history and total power-on hours are unknown

Frequently Asked Questions

It means the drive has been inspected, tested, and restored to working condition by the seller. It includes a six-month replacement warranty.
Yes, it uses a standard SATA 6Gb/s interface and 3.5-inch form factor, so it fits any system or enclosure that accepts standard 3.5-inch drives.
Helium is less dense than air, which reduces drag on the internal platters. This allows Seagate to fit more platters inside, lowers operating temperature, and reduces power consumption compared to air-filled drives of similar capacity.
Yes, the Exos X16 supports both 512e and 4Kn sector formats, giving flexibility depending on your operating system and application requirements.
PowerBalance is a Seagate firmware feature that optimizes the balance between performance (IOPS) and power consumption, improving efficiency per watt in dense storage environments.