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Silver 3.5 inch internal hard drive rectangular metal body

Seagate

Seagate Exos X18 16TB SATA HDD 3.5in 7200RPM 256MB cache ST16000NM000J

SKU CH-H9RV-NCBAB

Enterprise-grade 16 TB internal hard drive with 7200 RPM speed and 256 MB cache for servers and data centres

  • Massive 16 TB capacity stores vast datasets
  • 7200 RPM spin speed delivers 270 MB/s reads
  • 256 MB cache accelerates frequent data access
  • SATA 6Gb/s interface fits standard server bays
  • 5-year manufacturer warranty backs enterprise reliability

Seagate Exos X18 16 TB SATA HDD

This 3.5 inch internal hard drive delivers 16 TB of storage capacity for servers, data centres and PCs. It spins at 7200 RPM and uses a SATA 6 Gb/s interface with a 256 MB cache. The drive is built for continuous enterprise workloads and carries a five year manufacturer warranty.

Suits high capacity archival and bulk storage

The drive suits administrators who need large sequential throughput of 270 MB/s for backup, archiving or cold data tiers. It is not for systems that require low latency random access or a 2.5 inch form factor. Buyers needing solid state speeds or a smaller physical size should consider a different drive class.

SATA 6 Gb/s interface decides compatibility

The single specification that determines fit is the SATA 6 Gb/s interface. The host must provide a standard SATA data and power connection to support the 6 Gb/s transfer rate. Without a compatible SATA port the drive cannot be installed or operated.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $498.99
Pricier than about 90% of the 8,808 comparable items (median $16.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the 3.5in 7200RPM drive in a server bay and what step is often missed?

Mount the 3.5in unit in a compatible bay, connect the SATA data and power cables, then ensure the SATA 6Gb/s controller is set to AHCI mode so the 256MB cache and 270MB/s read speed are fully utilised.

What maintenance or replacement will the 16TB Exos X18 need over its service life?

The drive has no user-serviceable parts; plan to replace the entire 16TB unit after the 5-year manufacturer warranty period or if SMART attributes report reallocated sectors or excessive seek errors.

What limit appears first when the 16TB HDD runs sustained workloads?

The 270MB/s sequential read ceiling and the 7200RPM rotational latency become the bottleneck before the SATA 6Gb/s interface or 256MB cache saturate during continuous large-block transfers.

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