Seagate Exos X20 18TB 7.2K RPM SATA Hard Drive (ST18000NM003D)

The Seagate Exos X20 18TB 7,200 RPM SATA 6Gbps 3.5-inch Large Form Factor (LFF) Enterprise Hard Drive (Seagate Part Number: ST18000NM003D, Configuration: 3DL103-881) is a top-tier, helium-sealed enterprise drive designed for maximum rack space efficiency, cloud storage infrastructure, and high-density enterprise data centers. Built on Seagate's proven helium technology platform, this 18TB drive provides ultra-high capacity alongside exceptionally low power consumption per terabyte.

Operating over a standard 6Gb/s SATA interface, the ST18000NM003D features a 7,200 RPM spindle speed and a large 256MB cache buffer. Incorporating FastFormat technology (support for both 512e and 4Kn formats), advanced rotational vibration sensors, and enterprise-grade power balance features, it ensures consistent, high-throughput performance and low latency across dense multi-drive server backplanes and hyperscale storage arrays.

Available from DataDive, your trusted IT Server Parts Supplier in Qatar, this original Seagate enterprise hard drive is available in our Storage Distributor in Qatar, ideal for expanding 3.5-inch PowerEdge drive backplanes, building high-performance hardware RAID storage pools, replacing faulty drives in mission-critical server arrays, and upgrading enterprise infrastructure across supported Dell rack and tower servers.

Technical Specifications:

• Brand: Seagate

• Product Line: Exos X20 Enterprise Class

• Model Number: ST18000NM003D

• Part / Sub-Number: 3DL103-881

• Capacity: 18TB (18,000GB)

• Spindle Speed: 7,200 RPM (7.2K)

• Interface Protocol: SATA 6Gbps

• Form Factor: 3.5-inch Large Form Factor (LFF)

• Cache Buffer: 256MB Enterprise Cache

• Sector Format: FastFormat (512e / 4Kn User Selectable)

• Architecture: Helium-Sealed Drive Design

• Sustained Transfer Rate: Up to 285 MB/s

• MTBF / Reliability: 2.5 Million Hours MTBF (24x7 Continuous Operation)

System Compatibility List:

• Dell PowerEdge 3.5-inch LFF Servers: PowerEdge R340, PowerEdge R440, PowerEdge R540, PowerEdge R740, PowerEdge R740xd, PowerEdge R650, PowerEdge R750, PowerEdge R7525, PowerEdge T340, PowerEdge T440, PowerEdge T640

• Dell PowerVault Storage Enclosures: PowerVault ME4012, ME5012, ME4084, ME484, MD1400 LFF Storage Enclosures

• NAS & Cloud Storage Arrays: Synology Enterprise RackStations, QNAP Enterprise NAS, Supermicro, HPE ProLiant 3.5in LFF Chassis