Seagate Exos X18 ST12000NM001J 12TB 3.5" Internal SATA Hard Drive – 20 Pack

SeagateSKU: ST12000NM001J-20PK
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Description

The Seagate Exos X18 ST12000NM001J 12TB Hard Drive delivers enterprise-class scalability and reliability, making it the ideal choice for hyperscale cloud, large-scale storage systems, and video surveillance environments. Featuring Conventional Magnetic Recording (CMR), a 7200 RPM spindle speed, and a 270 MB/s maximum read transfer rate, the Exos X18 provides consistently high performance for demanding workloads.

Built with a helium-sealed design to reduce power and weight while improving efficiency, this drive is engineered for maximum rack-space utilization. Seagate’s PowerBalance™ technology optimizes watts per terabyte, while Seagate Secure™ ensures data protection and fast, safe drive retirement.

This 20-pack bundle is perfect for scaling enterprise storage infrastructures, cloud deployments, and high-density data centers requiring efficiency, performance, and proven reliability.

Category Details
Manufacturer Seagate Technology
Brand Seagate
Product Line Exos
Series X18
Model ST12000NM001J
Packaged Quantity 20
Product Type Internal Hard Drive
Storage Capacity 12 TB
Recording Technology Conventional Magnetic Recording (CMR)
Disk Format 512e / 4Kn
Spindle Speed 7200 RPM
Cache (Buffer) 256 MB
Max Read Transfer Rate 270 MB/s
Max Write Transfer Rate 258 MB/s
Random 4K Read 170 IOPS
Random 4K Write 550 IOPS
Interface SATA 6Gb/s (SATA/600)
Form Factor 3.5" Internal
Hot Pluggable Yes
Height 1"
Width 4"
Depth 5.8"
Weight ~1.43 lbs
Device Supported Storage Systems, Video Surveillance Systems
Key Features Helium-sealed design, PowerBalance™, Seagate Secure™, Environmental Sensors
Product Condition New and Factory Fresh

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


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