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Silver 3.5-inch internal hard drive with exposed circuit board

Seagate

Seagate ST12000NM002H 12TB 7200 RPM SATA internal hard drive

SKU CH-XNJR-NKYYR MPN ST12000NM002H

High-capacity 12 TB helium-sealed desktop drive with 7200 RPM speed, SATA 6.0 Gb/s interface and 2.5 million-hour MTBF

  • InterfaceSATA 6.0Gb/s
  • Capacity12TB
  • RPM7200 RPM
  • 12 TB capacity stores massive datasets
  • 7200 RPM spindle speed delivers 285 MB/s sustained transfer
  • Helium-sealed design reduces turbulence for reliable 24×7 operation
  • Instant Secure Erase with RSA 3072 firmware verification protects data at retirement
  • 5 million hour MTBF and 0.35 % AFR rated for heavy workloads

High-capacity helium-sealed drive

The Seagate Exos X24 ST12000NM002H is a 12 TB 3.5-inch internal hard drive built for continuous operation in servers and storage arrays. Its helium-sealed design reduces internal turbulence, allowing seven platters to spin at 7200 RPM within a standard drive height. The drive uses conventional magnetic recording and supports both 512e and 4Kn sector formats for broad system compatibility.

285 MB/s sustained transfer rate

The maximum sustained transfer rate of 285 MB/s (272 MiB/s) at the outer diameter is the single figure that tells you whether this drive can feed your workload fast enough. It connects via a single-port SATA 6.0 Gb/s interface that also negotiates at 3.0 Gb/s for older backplanes. A 512 MB multisegmented cache helps smooth burst traffic before data reaches the platters.

8.9 W typical under random load

Under sustained random 4K read/write at queue depth 16 the drive draws 8.9 W (7.1 W write), well below the 6.3 W idle average. PowerChoice and PowerBalance technologies throttle consumption during quiet periods while keeping the spindle at speed. The 2.5 million-hour MTBF and 0.35 % annualised failure rate are rated for 8760 power-on hours per year in 24×7 environments.

Pontos fortes

  • 12 TB capacity stores massive datasets
  • 7200 RPM spindle speed delivers 285 MB/s sustained transfer
  • Helium-sealed design reduces turbulence for reliable 24×7 operation
  • Instant Secure Erase with RSA 3072 firmware verification protects data at retirement
  • 5 million hour MTBF and 0.35 % AFR rated for heavy workloads

Especificações

BrandSeagate
InterfaceSATA 6.0Gb/s
Capacity12TB
RPM7200 RPM

Perguntas sobre este artigo

How much data can I actually store on this 12 TB drive after formatting?

The drive offers a raw capacity of 12 TB; usable space after formatting depends on the operating system and file system chosen, which typically reserve a small portion for overhead.

What real-world throughput does the SATA 6.0 Gb/s interface allow for this model?

The SATA 6.0 Gb/s interface supports the drive’s maximum sustained transfer rate of 285 MB/s, with the interface also backward compatible to 3.0 Gb/s.

Will this 3.5-inch helium-sealed drive fit a standard desktop drive bay and mounting points?

Yes, it uses the standard 3.5-inch form factor with conventional mounting holes and a single SATA interface port for power and data.

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