Exos X14 14tb HDD from Seagate

The Exos X14 offers the industry’s lowest power consumption, smallest footprint, and best performance in its class, making the hard drive an affordable solution for data centers looking to maximize their storage capabilities while reducing complexity and operational costs.

“Our hyperscale customers want the best value in terms of total cost of ownership and that is mainly driven by capacity, power efficiency, enhanced caching, and predictable I/O,” said Sai Varanasi, vice president, product line marketing, storage devices at Seagate. “Exos X14 shines on all four fronts by delivering 14TB with leading sustained transfer rates and random I/O responsiveness optimized for hyperscale applications.”

To further meet the needs of global data centers, Exos X14 comes with built-in security, Seagate SecureTM, to encrypt all data without performance degradation. The new drive also features the United States government’s Federal Information Processing Standard (FIPS) 140-2, Level 2 certification and the Common Criteria for Information Technology Security Evaluation (CC) – an international computer security certification standard (ISO/EIC 15408). Other key features include 40 percent more petabytes per rack versus Exos 10TB drives, a 10 percent weight reduction versus air nearline drives, and a flexible design that delivers wider integration options and support for a greater number of workloads.


Exos X14 is filled with helium instead of air and works at 7,200 rpm and drives can achieve 480 MB/s of sequential throughput and are 20x more reliable . The lower density of the inert gas reduces shear forces, resulting in lower power consumption and the use of more platters. The Exos X14 is currently being sampled by customers and is expected to be widely available during the summer.

8-platter design without SMR

At the editorial request, Seagate has confirmed that a conventional recording technique (CMR = Common Magnetic Recording) is used. This means that the Exos X14 does not use Shingled Magnetic Recording (SMR) with overlapping tracks, as is the case with Western Digital’s HGST Ultrastar Hs14 14TB . The disadvantage of using SMR technology is that it degrades performance when overwriting data because it also has to update adjacent tracks. A large cache can compensate for this negative effect, however, with smaller transfers.

The recording technique at Seagate is therefore ordinary Perpendicular Magnetic Recording (PMR) without SMR. This is also the case with the Toshiba MG07ACA with 14 TB . However, there is one major difference: Seagate needs only eight platters, Toshiba nine. So Seagate has found a way to increase the data density per platter without SMR. A platter must have 1.75 TB of disk space, with Toshiba’s 9-platter design it would be 1.56 TB.

With SATA or SAS in 3.5 inches, 256MB cache

Using new drives, data center operators are able to mark out in a standard rack 40% more petabytes of data compared to previously released Exos 10TB disks. In addition, the Exos X14 weighs 10% less than air-filled high-performance hard drives that are used to store near-line data. Flexible architecture Exos X14 provides enhanced capabilities for integration and support for a wider range of workloads.