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Item#: 9SIA4T01HJ4903

Seagate Desktop SSHD ST4000DX001 4TB 64MB Cache SATA 6.0Gb/s 3.5" Solid State Hybrid Drive Bare Drive

Ships from China. Most customers receive within 6-18 days.

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  • Backed by a 5-year limited warranty
  • Solid state speed for fast, responsive system performance
  • Innovative use of solid state memory delivers affordable performance and capacity
  • NAND Flash and HDD technology

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


Solid State Hybrid Drives take game play to a whole new level.

"Whether you're into video editing, music or gaming, with Seagate's new Desktop SSHD you can now have your cake and eat it too... SSD-like speed, hard drive capacity—all at an affordable price—makes the Seagate Desktop SSHD a perfect choice for gaming enthusiasts like me."

- Kevin Wasielewski, CEO and Co-Founder, Origin PC

SSHDs take out the competition

See how SSHDs perform against SSDs and traditional hard drives.


SSHD delivers faster map load speed for non-stop performance and non-stop play.

  • Boots Windows® 8 in less than 10 seconds.
  • Performs up to 5x faster than typical desktop hard drives.*
  • Improves overall responsiveness by 20% or more.

* As measured by PCMark Vantage storage benchmarking software.


"The Desktop SSHD from Seagate effectively outperforms every mechanical drive on the market, all while maintaining a competitive price point."

- TweakTown, September 14, 2013


Size matters. Get up to 4TB of gaming storage.

No need to sacrifice capacity for performance.

  • 1 - 4TB of massive storage capacity.
  • 8GB integrated NAND Flash.
  • More room for all your games.

A richer gaming experience, affordably priced.

Get SSD-like performance and hard drive capacity at a great price.

  • A fraction of the cost of SSDs.
  • Eliminates firmware complexity and cost of SSD + HDD.
  • Easy, DIY installation.
  • Backed by a 5-year warranty.
  • Fits any standard desktop.

"Hybrid technology puts you in the game."

Learn more about SSHD performance in our interactive magazine, FAST Storage.

Specifications 4TB 2TB 1TB
Model Number ST4000DX001 ST2000DX001 ST1000DX001
Interface Options SATA 6Gbps NCQ SATA 6Gbps NCQ SATA 6Gbps NCQ
Configuration / Organization
Heads / Disks 8 / 4 4 / 2 2 / 1
Bytes per Sector 4096 4096 4096
NAND Type / Size MLC / 8GB MLC / 8GB MLC / 8GB
DRAM Cache (MB) 64 64 64
SATA Transfer Rates Supported (Gbps) 6.0 / 3.0 / 1.5 6.0 / 3.0 / 1.5 6.0 / 3.0 / 1.5
Seek Average, Read (ms) <12 <12 <12
Seek Average, Write (ms) <12 <12 <12
Average Data Rate, Read, Avg All Zones (MBps) 146 158 158
Average Data Rate From NAND Media (MBps) 190 190 190
How Much Will it Store?
Digital Music Digital Music (Songs) 66,640 33,320 16,660
Digital Photos Digital Photos (Files) 1,280,000 640,000 320,000
HD Video HD Video (Hours) 4,000 2,000 1,000
DVD Video DVD Video (Hours) 1,000 500 250
Video Games Video Games (Hours) 2,000 1,000 500
*Quantitative usage examples for various applications are for illustrative purposes. Actual quantities will vary based on various factors, including file size, file format, features, and application software.
  Reliable performance made for home and store everything 5x faster than Desktop HDD. More capacity than SSD (1) Up to 25% faster than other brands, made for home and small office data sharing (2) Optimized to improve surveillance system reliability, reduce costs and support video analytics
  icon icon icon icon
Capacity 1TB - 4TB 1TB, 2TB, 4TB 2TB, 3TB, 4TB 1TB - 6TB
Ideal for Home and Business Computing Gaming system, video editing, power computing 1 - 8 bay NAS systems for Home, SMB DVR or NVR systems with multiple drives and HD cameras
Cache 64MB (1-4TB) 64MB with 8GB NAND Flash 64MB 64MB
Power-on Hours 8x5 8x5 24x7 24x7
SSD-like performance      
Network storage    
Photo and Video Editing      
DVR & Video Surveillance      
RV Sensors (3)    
RAID Support    
Warranty 2 years 5 years 3 years 3 years
  • 1. Based on PC Mark Vantage storage benchmarking software.
  • 2. Seagate SAN HDD 4TB perfoms up to 25% faster than other brands, Based on Tom's hardware.
  • 3. RV sensors are Rotational Vibration sensors.
  • 4. Seagate Data Recovery Services options are activated upon purchase

Learn more about the Seagate ST4000DX001

Warranty, Returns, And Additional Information
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