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Western Digital Ultrastar He12 internal hard drive 12 TB 7200 RPM 256 MB 3.5" Serial ATA III

Western Digital Ultrastar He12, 12 TB, 7200 RPM, 256 MB, 3.5", Serial ATA III

Best offerPrice trend

£490.90

Rising
Price trend
Detailed analysis
Price history of Western Digital Ultrastar He12 internal hard drive 12 TB 7200 RPM 256 MB 3.5" Serial ATA III over the last 3 months
DatePrice
15 March 2026£347.99
25 March 2026£342.99
29 March 2026£346.99
10 April 2026£430.99
17 April 2026£418.99
22 April 2026£438.99
28 April 2026£440.99
3 May 2026£447.99
13 May 2026£446.99
20 May 2026£453.99
25 May 2026£452.99
2 June 2026£490.90
11 June 2026£490.90

Compare Western Digital Ultrastar He12 internal hard drive 12 TB 7200 RPM 256 MB 3.5" Serial ATA III prices UK

*Date of last price update

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Product Information

Laying the foundation for a worry-free data center, HGST delivers capacity to conquer the data explosion – Ultrastar® He12 HDD. Designed to handle workloads up to 550TB per year, the Ultrastar He12 HDD is the industry’s first 12TB drive and uses PMR technology to make it drop-in ready for any enterprise-capacity application or environment. The stable internal environment created by fourth-generation HelioSeal® technology enables a new 8-disk design, increasing the capacity by 20% when compared to the 7-disk design of the prior generation. This highest capacity helium drive offers the lowest power profile in the industry to help data center architects meet eco-environmental goals and requirements. Targeted at 2.5M hours MTBF, the Ultrastar He12 HDD provides the highest reliability rating available of all HDDs on the market today by building on the successful design of it’s 10TB, 8TB and 6TB predecessors. Trust HGST and the Ultrastar He12 HDD to deliver more capacity, more efficiency, more reliability and more value to your data center.

Internal Hard Drives Western Digital

Product

Name
Western Digital Ultrastar He12 internal hard drive 12 TB 7200 RPM 256 MB 3.5" Serial ATA III

Weight & dimensions

Width
101.6 mm
Height
26.1 mm
Depth
147 mm
Weight
660 g

Power

Power consumption (typical)
7.2 W
Power consumption (idle)
5.3 W
Operating voltage
5 / 12 V

Operational conditions

Operating temperature (T-T)
5 - 60 °C
Storage temperature (T-T)
-40 - 70 °C
Operating vibration
0.67 G
Non-operating vibration
1.04 G
Operating shock
70 G
Non-operating shock
300 G

Logistics data

Harmonized System (HS) code
84717050

Features

HDD capacity
12 TB
HDD speed
7200 RPM
HDD size
3.5"
Interface
Serial ATA III
Type
HDD
Component for
Surveillance system
Storage drive buffer size
256 MB
HDD interface transfer rate
6 Gbit/s
Read seek time
8 ms
Write seek time
8.6 ms
Average latency
4.16 ms
Bytes per sector
512
Mean time between failures (MTBF)
2500000 h

Packaging data

Quantity per pack
1 pc(s)

Packaging content

Storage drive adapter included
No

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