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3.5 inch bare drive, silver aluminium casing, SATA connector visible

Seagate

Seagate Exos X14 12TB 7200 RPM 256MB SATA 6.0Gb/s 3.5" Internal Hard Drive ST12000NM0008

SKU CH-T2AQ-AS7CB MPN ST12000NM0008

12 TB enterprise hard drive with 7200 RPM, 256 MB cache and helium-sealed design for high-capacity storage arrays

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity12TB
  • NAND Flash Memory TypeSLC
  • RPM7200 RPM
  • Cache256MB
  • 12 TB capacity stores massive datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • 256 MB cache accelerates burst workloads
  • Helium sealed design lowers power and weight
  • 5 M hour MTBF rating ensures enterprise reliability

12TB SATA enterprise hard drive

The Seagate Exos X14 ST12000NM0008 is a 3.5-inch internal hard drive built for enterprise storage. It delivers 12TB capacity over a SATA 6.0Gb/s interface with a 7200 RPM spindle and 256MB cache. The helium-sealed design supports 2.5M-hour MTBF for continuous operation in data-centre racks.

Suited for high-capacity bulk storage.

This drive fits hyperscale archives, backup repositories and cold-data workloads that prioritise capacity per rack and low power draw. It is not for workloads that demand the 14TB flagship capacity or sub-millisecond latency. Builders needing faster random access or a smaller 2.5-inch form factor should consider other media.

SATA 6.0Gb/s interface decides compatibility

The drive connects exclusively through a SATA 6.0Gb/s port and presents 512e or 4Kn sector formats. Verify that your backplane, HBA or motherboard supports SATA at 6.0Gb/s and can accommodate the 26.11mm height. Without a compatible SATA connection the drive will not function.

Points forts

  • 12 TB capacity stores massive datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • 256 MB cache accelerates burst workloads
  • Helium sealed design lowers power and weight
  • 5 M hour MTBF rating ensures enterprise reliability

Caractéristiques

BrandSeagate
SeriesExos X14
ModelST12000NM0008
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity12TB
NAND Flash Memory TypeSLC
RPM7200 RPM
Cache256MB
Average Latency4.16ms
Features14TB per drive for 40% more petabytes per rack
Industry's lowest power and weight for optimum data center TCO
Highest 14TB hard drive performance with enhanced caching, making it perfect for big data applications
Hyperscale SATA model tuned for large data transfers
PowerBalance feature optimizes IOPS/Watt
Helium sealed-drive design with no porosity and uniform density
Superior material and weld-width design for a more robust, hermetically sealed-drive enclosure that protects from helium leaks
Digital environmental sensors for measuring internal pressure, helping to ensure high reliab
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.11mm
Width (maximum)101.85mm
Length (maximum)147.00mm
Poids d’expédition0.69 kg
Dimensions du colis155 × 114 × 28 mm

Questions sur cet article

How often should I expect to replace the helium-sealed drive given its 2.5M-hour MTBF rating?

The 2.5M-hour MTBF rating indicates high enterprise-class reliability for continuous operation, though actual replacement timing depends on workload intensity and environmental conditions in your storage array.

What performance limit appears first during sustained 7200 RPM operation with 256MB cache?

The 4.16ms average latency and SATA 6.0Gb/s interface throughput define the sustained performance ceiling for this 12TB enterprise drive during continuous read/write workloads.

How much noise and heat does the helium-sealed 3.5-inch drive produce when running all day?

The helium-sealed design reduces internal friction for lower power draw and quieter operation than air-filled drives, while the 26.11mm height fits standard enterprise bays for efficient airflow management.

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