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Silver 3.5-inch bare hard drive with green circuit board visible on underside

Seagate

Seagate ST3000DM001 3TB 64MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-ZDZN-J75Z2 MPN ST3000DM001

3 TB desktop hard drive with 7200 RPM, 64 MB cache and SATA 6.0 Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity3TB
  • Cache64MB
  • Average Seek Time<8.5ms
  • Average Write Time<9.5ms

Options 3TB

  • 3TB capacity stores large media libraries and backups
  • 7200 RPM spin speed enables fast data access for demanding tasks
  • 64MB cache accelerates read and write performance
  • SATA 6.0Gb/s interface supports high burst transfer rates
  • Seagate AcuTrac servo technology maintains accuracy on 75 nanometer tracks

3TB Desktop Hard Drive

This Seagate Desktop HDD provides 3TB of storage on a 3.5" SATA 6.0Gb/s interface with 64MB cache. It spins at 7200 RPM and targets desktop PCs, all-in-one systems, home servers and entry-level direct-attached storage. The bare drive arrives without cables or mounting hardware.

Upgrade from smaller mechanical drives

Moving to this model adds capacity with 1.33TB-per-disk technology and a SATA 6.0Gb/s interface that optimises burst performance. The jump is worth it when current storage is full or when faster sequential access matters for large media libraries and backups.

Standard 3.5" SATA installation

Mount the drive in any 3.5" bay using four screws, connect the SATA data and power cables, then initialise the disk in the operating system. Common issues include forgetting to enable AHCI in BIOS, using an old SATA cable that limits speed, or skipping the partition alignment step that Seagate SmartAlign handles for Advanced Format 4K sectors.

Highlights

  • 3TB capacity stores large media libraries and backups
  • 7200 RPM spin speed enables fast data access for demanding tasks
  • 64MB cache accelerates read and write performance
  • SATA 6.0Gb/s interface supports high burst transfer rates
  • Seagate AcuTrac servo technology maintains accuracy on 75 nanometer tracks

Specifications

BrandSeagate
SeriesDesktop HDD
ModelST3000DM001
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity3TB
Cache64MB
Average Seek Time<8.5ms
Average Write Time<9.5ms
FeaturesThe Power of One:
Seagate brings over 30 years of trusted performance and reliability to the Seagate Desktop HDDs
Increase your capacity and drive down costs with up to 1.33TB-per-disk hard drive technology
SATA 6Gb/s interface optimizes burst performance
Seagate AcuTrac servo technology delivers dependable performance
Free DiscWizard software enables high capacities on legacy PC BIOS systems
Seagate Secure models provide hardware-based data security and deliver an Instant Secure Erase feature for safe, fast and easy drive retirement*
Seagate Secure models meet the NIST 800-88 media
UsageIdeal for Servers
Form Factor3.5"
Height (maximum)26.11mm
Width (maximum)101.60mm
Length (maximum)146.99mm
Shipping weight0.62 kg
Package size152 × 102 × 25 mm

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Questions about this item

What are the exact dimensions of the 3.5" drive so I can check bay clearance?

The drive measures 146.99 mm long, 101.60 mm wide and 26.11 mm high, matching the standard 3.5" form factor.

How do I connect this SATA 6.0Gb/s drive and what step do builders often miss?

Attach a SATA data cable to the motherboard port and a SATA power connector from the PSU; the step often missed is enabling AHCI mode in BIOS before installing the OS.

When should I expect to replace this 7200 RPM mechanical drive?

Plan replacement after three to five years of continuous use or if SMART attributes such as reallocated sectors begin to rise.

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