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Seagate

Seagate Exos X16 16TB 7200 RPM 256MB SATA 6.0Gb/s 3.5" Internal Hard Drive ST16000NM001G

SKU CH-HYDQ-SPS94 MPN ST16000NM001G

Enterprise-class 3.5" hard drive delivering 16TB capacity at 7200 RPM with 256MB cache over SATA 6.0Gb/s

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity16TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache256MB
  • 16 TB capacity stores 33 % more data per rack than 12 TB drives
  • 7200 RPM and 256 MB cache deliver high throughput for massive scale-out workloads
  • Helium-sealed design cuts power draw and weight to lower total cost of ownership
  • Digital environmental sensors monitor internal conditions for consistent enterprise operation
  • 5 M-hour MTBF rating supports always-on data-centre reliability

16TB Enterprise SATA Hard Drive

The Seagate Exos X16 ST16000NM001G is a 16TB 3.5-inch internal hard drive built for enterprise storage. It spins at 7200 RPM with a 256MB cache and connects via a SATA 6.0Gb/s interface. The helium-sealed design reduces power draw and weight while digital sensors monitor internal conditions.

Ideal for hyperscale and cloud data centers

This drive suits operators who need high-capacity bulk storage with low latency for large sequential transfers. The 512e and 4Kn sector formats fit modern server infrastructures. Buyers who need a different physical interface or a smaller form factor for desktop PCs should look elsewhere.

SATA 6.0Gb/s interface

The single specification that decides compatibility is the SATA 6.0Gb/s interface. The drive requires a matching SATA port and power connector in the host system. The 26.11mm height fits standard 3.5-inch drive bays. No other interface type is supported by this model.

Highlights

  • 16 TB capacity stores 33 % more data per rack than 12 TB drives
  • 7200 RPM and 256 MB cache deliver high throughput for massive scale-out workloads
  • Helium-sealed design cuts power draw and weight to lower total cost of ownership
  • Digital environmental sensors monitor internal conditions for consistent enterprise operation
  • 5 M-hour MTBF rating supports always-on data-centre reliability

Specifications

BrandSeagate
SeriesExos X16
ModelST16000NM001G
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity16TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache256MB
Average Latency4.16ms
FeaturesIndustry's first 16TB drive for 33% more petabytes per rack*
* Compared to 12TB competitive product
Highest 16TB hard drive performance with enhanced caching, making it perfect for cloud data center and massive scale-out data center applications
Hyperscale SATA model tuned for large data transfers and low latency
PowerBalance feature optimizes Watts/TB
Helium sealed-drive design delivers lower total cost of ownership through lower power and weight
Next-generation helium side-sealing weld technology for added handling robustness and leak protection
Digital environmental sensors to mon
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.11mm
Width (maximum)101.85mm
Length (maximum)147.00mm
Shipping weight0.66 kg
Package size160 × 135 × 3 mm

Questions about this item

Does the helium-sealed design on this 16TB Exos X16 require any maintenance or refilling over its lifespan?

The helium-sealed drive is permanently sealed at the factory and needs no refilling or maintenance; its 2.5M-hour MTBF rating reflects the sealed design's reliability.

What is the first limit reached during sustained large-file transfers on the SATA 6.0Gb/s interface?

The SATA 6.0Gb/s interface caps sustained throughput, so the interface bandwidth becomes the bottleneck before the 256MB cache or 7200 RPM mechanics saturate.

How does the helium fill and PowerBalance feature affect noise and heat during all-day operation?

Helium reduces internal drag, lowering acoustic output and operating temperature, while PowerBalance optimises watts-per-terabyte for cooler continuous running.

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