Seagate 4TB Desktop SSHD 5400RPM SATA 6GB/s 64MB 3.5" 8GB SSD Cache

Product overview



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Performance. Capacity. Affordable Price.

The wait is over for a solid state hybrid drive in a 3.5-inch form factor. The Seagate® Desktop SSHD delivers SSD-like performance and massive capacities at an affordable price. Don't waste time and money on a dual drive solution to get the high performance and capacity you demand for:

  • Desktop PCs
  • Workstations
  • Direct-attached storage (DAS) devices

The Seagate® Desktop SSHD is here with breakthrough technology that identifies and stores to flash only your most frequently used data. You can boot up and launch applications faster while still having the massive capacities you need for everything else. Choose performance and capacity with 8GB of MLC NAND flash and 4TB of HDD capacity. 3-year limited warranty.

Why choose the Desktop SSHD?

  • Simple. An all-in-one storage solution
  • Performance. SSD-like performance to give you the boost you crave
  • Capacity. The capacity you need--4TB
  • Price. An affordable price that makes sense


  • The first solid state hybrid drive (SSHD) in a 3.5-inch form factor
  • Boots up and performs like an SSD1
  • SATA 6Gb/s with NCQ for interface speed
  • Faster than a traditional HDD1
  • All-in-one design for simplicity and ease of installation
  • Installs and operates like a standard hard drive: cross-platform, no drivers or additional software required
  • Massive 4TB capacity combined with SSD-like performance1
  • Backed by a 3-year limited warranty

Solid State Drive Technology Inside Your SSHD

SSHD technology uses the right amount of ultra-fast NAND flash (the same type used in SSDs) to increase system performance. Seagate's Adaptive Memory ™ technology effectively identifies the most frequently-used data and stores it in the NAND flash. The results give you greatly improved boot times, application loads and overall system responsiveness.

Get it all - desktop speed and capacity.

With SSHD technology, there is no need to trade capacity for high performance. The Seagate® Desktop SSHD is available in 1TB and 2TB capacities, giving you plenty of space for all of your digital content.

Affordable and reliable SSHD for your desktop

SSHDs fuse the strength of SSD and HDD into one affordable and powerful device. You'll be surprised at how little you have to pay to get SSD-like performance in your desktop system.

And since SSD fuses the strengths of both HDD and SSD technologies, you get the combined reliability of both in a solid state hybrid drive product.

Easy, Low-cost HDD Desktop Upgrade

SSHD provides a great way to breath new life into an older desktop computer.

  • Get performance you never thought possible from your old system
  • One of the most cost-effective ways to increase the performance of your system.


  • Capacity: 4TB
  • NAND Type/Size: MLC/8GB
  • Interface: SATA 6Gb/s NCQ
  • Cache 64MB
  • Average Data Rate, Read, Avg All Zones up to 156MB/s
  • Average Data Rate From NAND Media up to 190MB/s
  • Operating Temperature: 0°C to 60°C



Product Description
Seagate Desktop SSHD - hybrid hard drive - 4 TB - SATA 6Gb/s
Hybrid hard drive - internal
4 TB
Flash Memory Capacity
8 GB
NAND Flash Memory Type
Multi-level cell (MLC)
Form Factor
3.5" x 1/3H
SATA 6Gb/s
Data Transfer Rate
600 MBps
Buffer Size
64 MB
Native Command Queuing (NCQ), SSHD
Dimensions (WxDxH)
101.6 mm x 146.99 mm x 26.11 mm
610 g
Microsoft Certification
Compatible with Windows 7
Manufacturer Warranty
5 years warranty



Device Type
Hybrid hard drive - internal
4 TB
Flash Memory Capacity
8 GB
NAND Flash Memory Type
Multi-level cell (MLC)
Form Factor
3.5" x 1/3H
SATA 6Gb/s
Buffer Size
64 MB
Bytes per Sector
Native Command Queuing (NCQ), SSHD
101.6 mm
146.99 mm
26.11 mm
610 g


Drive Transfer Rate
600 MBps (external)
Seek Time
12 ms (average)


Non-Recoverable Errors
1 per 10^14
Load / Unload Cycles

Expansion & Connectivity

1 x SATA 6 Gb/s - 7 pin Serial ATA
Compatible Bay
3.5" x 1/3H


Power Consumption
7.5 Watt (active) , 6.2 Watt (idle) , 0.75 Watt (standby)


Compatible with Windows 7
"Compatible with Windows 7" software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7.

Manufacturer Warranty

Service & Support
Limited warranty - 5 years

Environmental Parameters

Min Operating Temperature
0 °C
Max Operating Temperature
60 °C

Customer reviews

Write review The opinions expressed in this reviews section are those of our customers and not of BT Shop. Nothing contained herein amends BT Shop’s terms and conditions.
5* Good drive
Reviewed by Sam on 26/07/2015
Good drive nice and fast and has a large storage for a good price
3* Disappointingly slow
Reviewed by Phil on 21/06/2015
Disappointingly slow compared to my previous SSD drive. I didn't expect the same performance but did expect better than I am getting. I feel I might as well have saved my money and just purchased a std drive.
I also didn't realise Windows does still not like large drives - so if like me you didn't know that be warned. The Seagate software did not help either.
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