Seagate • Exos 10E2400 • 1.8 TB
Enterprise storage for a compatible SAS system.
The ST1800MM0129 combines 1.8 TB of capacity with a 10,000 rpm mechanism in a 15 mm-high, 2.5-inch enclosure. Its 12 Gb/s SAS interface and 256 MB cache are intended for enterprise storage platforms with the right controller, backplane and drive support.

Choose the host first
SAS is a system requirement.
This is a SAS enterprise drive. Check the server or storage enclosure’s SAS controller, backplane, carrier and supported-drive list before ordering. A desktop SATA port or an ordinary USB-to-SATA enclosure does not provide a SAS connection. The 15 mm enclosure also needs more clearance than a typical thin notebook drive bay.

Interface rate and disk rate differ
Read the storage figures in context.
The SAS link is rated at 12 Gb/s; it is not a promise of 12 Gb/s sustained disk reads. Seagate’s Exos datasheet lists a 266–130 MB/s outer-to-inner sustained transfer range for this model family, alongside 2.9 ms average latency. Actual performance depends on workload, controller and operating conditions.
Advanced Format choices
512e by default, with supported 4Kn formatting.
The exact model appears in Seagate’s standard-model 512e/4Kn list. The product manual identifies 512e as the default configuration, with FastFormat support for 4Kn. Match the active sector format to the controller, operating system and existing storage configuration. Changing format is a deliberate storage operation, not an automatic setup step.
The exact model matters
Standard model, not an assumed encryption variant.
ST1800MM0129 is listed as the standard 1.8 TB model. Separate part numbers identify self-encrypting and FIPS variants, so the family’s security options must not be assumed for this drive. Use the exact model support documents for installation and firmware identification; supplied firmware must also suit the host platform.
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