Seagate Exos X18 16TB SAS Hard Drive – ST16000NM007J

Expand capacity in a qualified SAS storage system with the Seagate Exos X18 ST16000NM007J. This 16TB enterprise internal hard drive is listed with a SAS 12Gb/s interface, 7200RPM spindle speed, and 256MB cache in a 3.5-inch format. Buyers evaluating an array upgrade can use these specifications to match the connection path and physical installation, while the listed sector-format and security designations make controller and provisioning checks especially important.

Key Features

• Capacity-focused array planning: Substantial space per disk provides an option for growing storage pools without treating additional drive bays as unlimited.
• SAS connectivity: A clearly identified enterprise storage interface helps buyers distinguish this part from SATA variants before procurement.
• Defined spindle speed: The rotational specification provides a useful comparison point for mechanical storage without implying an unverified throughput guarantee.
• Onboard data buffer: The listed cache adds another hardware attribute to evaluate alongside capacity and host connectivity.
• Sector-format considerations: Listed 512e and 4Kn designations make logical-sector support and the supplied drive configuration part of array qualification.
• Security-oriented variant: The listing identifies SED-FIPS, making security provisioning and exact certification documentation relevant to purchasing decisions.

Product Specifications

• Brand: Seagate
• Product Family: Exos
• Model: Exos X18
• Part Number: ST16000NM007J
• Drive Type: Hard disk drive (HDD)
• Application Class: Enterprise storage
• Installation: Internal
• Capacity: 16TB
• Interface: SAS
• Interface Rate: 12Gb/s
• Spindle Speed: 7200RPM
• Cache: 256MB
• Listed Sector Formats: 512e / 4Kn
• Listed Security Variant: SED-FIPS
• Form Factor: 3.5-inch

Use Cases

Evaluate this drive for a compatible enterprise storage pool, a capacity expansion project, or an exact-part replacement in a qualified array. Plan usable capacity around redundancy and reserve space, and consider rebuild and recovery requirements before increasing the size of an existing pool.

Compatibility

Requires a SAS-capable controller and compatible backplane, suitable 3.5-inch mounting, and support for 16TB drives. A SATA-only host is not sufficient. Confirm the supplied logical-sector configuration, controller firmware, and security-management support before deployment. No specific server or storage-array model has been independently verified for this listing.

Frequently Asked Questions

Can this connect to a SATA-only motherboard port?

No. This listing specifies SAS and requires a SAS-capable host connection.

Does SAS 12Gb/s describe actual sustained disk throughput?

No. It identifies the interface rate, not a guaranteed mechanical-drive transfer speed.

Do the listed sector formats identify the current configuration?

No. Confirm the actual supplied logical-sector format before adding the drive to an array, particularly when matching existing disks.

Does SED-FIPS establish compliance for my complete system?

No. The listing's security designation does not establish a system-level compliance determination. Verify the exact drive documentation and your deployment requirements separately.

Choose ST16000NM007J when your approved storage plan calls for this Exos X18 SAS variant. Matching the host connection, logical-sector configuration, and security provisioning before installation helps turn added raw capacity into a workable expansion rather than a disk that fits the bay but cannot join the intended storage environment.