Seagate ST1000NX0303 1TB 2.5" SATA Hard Drive

Seagate Part #/MPN: ST1000NX0303

DiscTech Item #: SGT-ST1000NX0303-BN-5Y

  • Low Stock:Call for ETA
    Stock Levels

    This item is currently (nearly) out of stock. It may be possible to arrange fast shipment. If you need it urgently call us. Otherwise, it usually ships within 1 week.


Enterprise Grade

Capacity: 1TB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 2.5inx15mm SFF Server Drive

Sector Size: 4Kn

Sustained Throughput: 136

Average Seek Time: 4.16

Electrical Interface: SATA 600 - 6.0Gbps

On-Board Cache: 128MB

Seagate ST1000NX0303 1TB 2.5in 6Gbps 7.2K RPM Enterprise (4KN) SATA HDD – Brand New

Seagate ST1000NX0303 1TB 2.5” 6.0 Gbps 7200 RPM Enterprise 4K Native Serial Advanced Technology Attachment Hard Disk Drive – Brand New

Design Small and Deliver BIG – 2.5-Inch Nearline Drive

  • High capacity in 15mm z-height, 2.5-inch form factor for space-constrained data centers.
  • Designed for high-density storage solutions requiring environmentally sound low power consumption and low weight for maximum storage efficiency.
  • Choose SATA 6Gb/s for economical nearline performance.
  • Third-generation, enterprise-class reliability for 24x7 environmental robustness.
  • Highest efficiency with over 50% improvement in watts/TB, and 18% sequential performance improvement compared to the previous generation.
  • Improved rotational vibration tolerance and head micro-actuation maximizes system availability and performance.
  • Lowest enterprise operating power and enhanced PowerChoice™ options for additional power saving during idle periods.

Best-Fit Applicaions

  • Storage-hungry business applicaions.
  • Storage area networks (SAN) and network attached storage (NAS).
  • Maximum-capacity entry-level server and blade servers.
  • Rich media content storage.
  • Enterprise backup and restore – D2D, virtual tape.
  • Cloud computing.


This drive is compatible with any server that accepts 2.5"x15mm (SFF Hard Drive) SATA drive.

Drive ModelST1000NX0303
InterfaceSATA 6Gb/s
SED ModelNo
PowerChoice™ on-demand power optionYes
Low HalogenYes
RAID Rebuild™Yes
Reliability/Data Integrity
Mean Time Between Failures (MTBF, hours)1.4 million
Reliability Rating @ Full 24x7 operation (AFR)0.63%
Nonrecoverable Read Errors per Bits Read1 sector per 10E15
Power-On Hours per Year8760
Bytes per Sector4K
Spindle Speed (RPM)7200
Cache Buffer, Multisegmented (MB)128
Interface Access Speed (Gb/s)6.0, 3.0, 1.5
Max. Sustained Transfer Rate (MB/s)136
Average Latency (ms)4.16
Interface PortsSingle
RV Tolerance (rad/s to 1800Hz)16
Power Management
Idle Power (W)3.51
Typical Operating, Random Read (W)4.74
PowerChoice™ Technology (Standby) (W)1.14
Power Supply Requirements+12V and +5V
Temperature, Operating (˚C)5 to 55
Vibration, Operating, 5Hz to 500Hz (Gs)0.5
Vibration, Nonoperating, 5Hz to 500Hz (Gs)3.0
Shock, Operating, 2ms (Gs)25
Shock, Nonoperating, 2ms (Gs)400
Acoustics, Typical Idle (bels)2.8
Acoustics, Typical Seek (bels)3.2
Height (mm/in)15.00/0.591
Width (mm/in)70.10/2.760
Depth (mm/in)100.45/3.955
Weight (g/lb)190/0.419

Click here to view the manufacturer's item description/brochure

ROHS Compliant

Weight: 1.5 lb

Warranty: 5 Year Manufacturer

Brand New

Condition Levels Explained

The product is brand new.

5 Year Manufacturer Warranty

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.