Seagate ST1800MM0129 1.8TB eMLC SAS Hybrid Hard Drive

Seagate Part #/MPN: ST1800MM0129

DiscTech Item #: SGT-ST1800MM0129-NP-OE

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Enterprise Grade

Capacity: 1.8TB

Speed: 10,000RPM

Interface Types: SAS Serial Attached SCSI

Form Factor: 2.5inx15mm SFF Server Drive

Sector Size: 512 / 512e

Sustained Throughput: 270 to 117

Average Seek Time: 2.9

Electrical Interface: SAS-3 Serial Attached SCSI v3 - 12.0Gbps

On-Board Cache: 256MB

Hybrid SSD Cache: 16GB/MLC NAND

Seagate ST1800MM0129 1.8TB 2.5-inch 12Gbps 10K eMLC SAS Hybrid Hard Drive - New Pull

Seagate ST1800MM0129 1.8TB / 1800GB 2.5" 12 Gb/s 10,000 Enterprise Multi-Level Cell / eMLC FastFormat 512 Emulation/4K Native Serial Attached SCSI / SAS Hybrid Hard Drive / HDD - New Pull

Enterprise Performance 10K HDD

The Perfect Match of High Capacity and High Performance

  • High-capacity and small 2.5-inch footprint enables data centers to keep pace with data growth and optimize data center real estate. ve alternative to higher-priced performance solutions
  • Delivers up to 2.4TB of high-performance data access for write-intensive applications
  • Future-proof your storage infrastructure with a single advanced format interface model.
  • Seagate® Enhanced Caching feature accelerates read and write I/O operations, preventing applications from slowing down under peak usage conditions
  • Latest 12Gb/s SAS interface for improved scalability
  • Seagate Secure® features for preventing unauthorized access to data and for compliance with data security standards
  • Protection Information (PI) protects against data corruption.
  • Seagate Secure SED and FIPS 140-2 government-grade models provide security for data-at-rest, and Instant Secure Erase (ISE) helps cut IT drive retirement costs.
  • Seagate PowerChoice™ technology for T10-compliant power management enables IT organizations to tailor systems for enhanced power consumption.
  • Seagate RAID Rebuild® technology option makes RAID recovery faster and safer.

Best-Fit Applications

  • Mission-critical servers and external storage arrays
  • Database and online transaction process (OLTP) applications
  • Power- and space-constrained data centers
  • Green IT and drive-retirement cost reduction initiatives
  • Compliance and data security initiatives
  • Migration from 3.5-inch drive systems to next-generation technology
  • Cost-effective alternative to higher-priced performance solutions


This drive is compatible with any server that accepts 2.5"x15mm (SFF) SAS drives.

Model NumberST1800MM0129
Capacity1.8TB / 1800GB
Spindle Speed10,000 RPM
Average Latency (ms)2.9
Sustained Transfer Rate (Outer to Inner Diameter MB/s)270 to 117
Cache, Multisegmented (MB)256
I/O Acceleration and Response Time OptimizationEnabled
NAND Flash TypeeMLC
NAND Flash Size 16GB
Intelligent NAND Endurance ManagementYes
Secure Download & Diagnostics (SD&D) and Instant Secure Erase OptionYes
FastFormat (512e/4Kn AF Switching)Yes
12Gb/s SASYes
Disks/Heads 3/6
External Transfer Rate (MB/s)1200
Nonrecoverable Read Errors per Bits Read, Max1 per 10E16
Annualized Failure Rate (AFR)0.44%
Typical Op (A) +5V/+12V0.46/0.42
Typical Operating (W)7.5
Average Idle Power (W)4.4
Performance Efficiency Index (Idle W/GB)0.0024
Ambient Temperature, Operating (C°) 5°C – 55°C
Ambient Temperature, Nonoperating (C°)-40°C – 70°C
Shock, Max. Operating: 11ms (Gs)40
Shock, Max. Nonoperating: 2ms (Gs)400
Vibration, Operating: <500Hz (Gs)0.5
Vibration, Nonoperating: <500Hz (Gs)3
Height (in/mm, max)0.591in/15.00mm
Width (in/mm, max2.760in/70.10mm
Depth (in/mm, max)3.955in/100.45mm
Weight (lb/g)0.507lb/230g

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ROHS Compliant

Weight: 1 lb

Warranty: 1 Year DiscTech

New Pull

Condition Levels Explained

The product has been mounted in a brand new system (e.g. server), then removed from the system, before entering service. These products may have some hours of usage due to system build time / burn-in / testing etc. New Pulls are guaranteed to have at least 95% (often 99%) of their service life remaining , they may show signs of being physically mounted and dismounted. All handling is performed by trained technicians, taking full ESD precautions.

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty