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Silver 3.5-inch internal hard drive with exposed circuit board on underside

Seagate

Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-F4FG-4GMEK MPN ST12000NM003G

Enterprise 12 TB 3.5" drive spins at 7200 RPM with 256 MB cache over SATA 6.0 Gb/s

  • InterfaceSATA 6.0Gb/s
  • Capacity12TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache256MB
  • Average Latency4.16ms
  • 12TB capacity stores massive enterprise datasets
  • 7200 RPM spindle speed enables fast sequential access
  • 256MB cache buffer accelerates burst workloads
  • Helium-sealed design reduces power per terabyte
  • Seagate Secure simplifies safe drive retirement

Enterprise capacity

The Seagate Exos X16 ST12000NM003G is a 12TB 3.5-inch hard drive built for enterprise storage arrays. It spins at 7200 RPM with a 256MB cache and connects through a SATA 6.0Gb/s interface. The helium-sealed design reduces weight and power per terabyte for large-scale deployments.

Helium-sealed build

A side-sealing weld protects the helium fill for long-term leak resistance and handling robustness. Digital environmental sensors monitor internal conditions to maintain consistent operation. The SATA connector and standard 3.5-inch mounting points allow direct installation in hot-swap bays or fixed cages without adapters.

PowerBalance thermals

The PowerBalance feature optimises watts per terabyte during sustained read and write workloads. Helium fill lowers drag on the platters, reducing acoustic output and heat generation compared with air-filled drives. Average latency sits at 4.16ms under typical enterprise access patterns.

Pontos fortes

  • 12TB capacity stores massive enterprise datasets
  • 7200 RPM spindle speed enables fast sequential access
  • 256MB cache buffer accelerates burst workloads
  • Helium-sealed design reduces power per terabyte
  • Seagate Secure simplifies safe drive retirement

Especificações

BrandSeagate
SeriesExos X16
ModelST12000NM003G
InterfaceSATA 6.0Gb/s
Capacity12TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache256MB
Average Latency4.16ms
FeaturesIndustry's first 16TB drive for 33% more petabytes per rack*
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 monitor internal drive conditions for opti
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.11mm
Width (maximum)101.85mm
Length (maximum)147.00mm
Peso de envio0.91 kg
Dimensões da embalagem196 × 152 × 51 mm

Perguntas sobre este artigo

What maximum throughput does the SATA 6.0Gb/s interface allow on this 12TB drive?

The SATA 6.0Gb/s interface caps theoretical bandwidth at 6.0 Gb/s; real-world sequential speeds will be lower and depend on the host controller and workload.

What are the exact physical dimensions of this 3.5" Exos X16 drive?

The drive measures 147.00 mm long, 101.85 mm wide and 26.11 mm high, matching the standard 3.5" enterprise form factor.

How is the helium-sealed Exos X16 installed, and what common step is missed?

Mount the drive in a 3.5" bay using four side or bottom screws, connect SATA data and power cables, then enable AHCI mode in BIOS so the 256 MB cache and 7200 RPM performance are fully utilised.

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