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Silver 3.5 inch internal hard drive with label showing Seagate Exos X20 18TB

Seagate

Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive

SKU CH-7913-M1K0G

High-capacity 18TB 3.5-inch drive spinning at 7200 RPM with 256MB cache and SATA 6.0Gb/s interface for enterprise storage

  • InterfaceSATA 6.0Gb/s
  • Capacity18TB
  • Recording TechnologyCMR
  • RPM7200 RPM
  • Cache256MB
  • Average Latency4.16ms
  • 18TB capacity stores massive datasets in a single 3.5" bay
  • 7200 RPM spindle delivers 4.16ms average latency for fast access
  • 256MB cache accelerates sustained read and write workloads
  • SATA 6.0Gb/s interface integrates directly into existing enterprise arrays
  • CMR recording technology ensures consistent performance for cloud-scale storage

Seagate Exos X20 18TB enterprise drive

The Seagate Exos X20 ST18000NM003D is a 3.5 inch internal hard drive with an 18TB capacity. It operates at 7200 RPM with a 256MB cache and connects via a SATA 6.0Gb/s interface. This CMR drive is built for enterprise storage environments.

Suited for high-capacity enterprise arrays

This drive suits data centres and cloud deployments that need maximum terabytes per rack with proven reliability. It is not for buyers who need the low latency of solid-state storage, nor for systems that lack a 3.5 inch bay and SATA power and data connections.

SATA 6.0Gb/s interface and 3.5 inch form factor

The drive uses the SATA 6.0Gb/s interface and a standard 3.5 inch form factor measuring 147.00mm long, 101.85mm wide and 26.10mm high. Verify that your chassis, backplane and controller support this physical size and SATA connection before purchase.

商品特色

  • 18TB capacity stores massive datasets in a single 3.5" bay
  • 7200 RPM spindle delivers 4.16ms average latency for fast access
  • 256MB cache accelerates sustained read and write workloads
  • SATA 6.0Gb/s interface integrates directly into existing enterprise arrays
  • CMR recording technology ensures consistent performance for cloud-scale storage

商品規格

BrandSeagate
SeriesExos X20
ModelST18000NM003D
InterfaceSATA 6.0Gb/s
Capacity18TB
Recording TechnologyCMR
RPM7200 RPM
Cache256MB
Average Latency4.16ms
FeaturesMarket-leading 20TB HDD offering the highest capacity available for more petabytes per rack*
Highly reliable performance with enhanced caching, making it the logical choice 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
Maximize total cost of ownership savings through lower power and weight with helium sealed-drive design
Proven helium side-sealing weld technology for added handling robustness and leak protection
Digital environmental sensors to monitor i
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.85mm
Length (maximum)147.00mm

商品問答

Will the 3.5" 7200 RPM Exos X20 work in my existing SATA 6.0Gb/s bay alongside older drives?

Yes, the ST18000NM003D uses the standard SATA 6.0Gb/s interface and 3.5-inch form factor, so it fits the same bays and cables as earlier SATA drives.

How can I verify the 18TB CMR drive is healthy after installation?

Check that the BIOS or OS reports the full 18000 GB capacity, run a SMART short self-test and confirm the drive spins at 7200 RPM with no reallocated sectors.

Does the 256MB cache Exos X20 ship with mounting screws and a SATA data cable?

The drive is supplied as a bare unit; mounting screws and a SATA data cable are not included and must be sourced separately.

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