6 leading hard drives in speed and capacity

Many IT magazines today regularly introduce the latest hard disk drive technologies growing day by day. From large 1TB models and energy-saving hard drives to semiconductor hard drives faster than old-fashioned hard drives in both speed and power consumption. Here are 6 types of hard drives with outstanding advantages in speed and capacity that have been voted.

1. Samsung 64GB flash hard drive

Samsung 64GB SSD

This new technology from Samsung has many outstanding advantages, it can resist strong bumps, has a life time of over 2 million hours, compared to 500,000 hours of hard drive companies. other. It also consumes about 1W of power when activated, 0.1W when idle and 0.06W in standby mode.

2. Samsung 32GB SSD hard drive

With 32GB capacity, its capacity is almost impossible to compete with hard drives inside iPods of 60GB or 80GB of current generation or even 40GB in the iRiver H340. However, with Samsung's SSD hard drive at a price of about $ 500 with its 32GB model, this is a completely different thing and nothing comparable. It is a high-speed hard drive, can access random data about 16.3ms, the average readability is 30.6Mb / s and also saves a lot of CPU usage by 10%.

The table compares Samsung SSD hard drives with some other drives

 

The lower the value the better

The lower the value the better

The higher the value the better

Random access

CPU usage rate

Average reading speed

Lexar ExpressCard

0.7ms

ten%

31.5MB / s

Corsair Voyager GT

0.9ms

5%

32.4MB / s

Seagate ST98823AS

16.3ms

ten%

30.6MB / s

Hitachi DK14FA-20

21.3ms

40%

7.5MB / s

Corsair Readout

7.8ms

4%

24.9MB / s

Samsung 32GB SSD

0.2ms

first%

51.0MB / s

WDC WD12000JB

7.8ms

4%

43.2MB / s

3. Seagate's 1TB hard drive

The great advantage is that Windows will never tell you that your computer is lacking hard drive space when using a 1TB hard drive, and one more thing is its affordable price. Seagate Technology LLC's latest huge data store uses the Serial Advanced Technology Attachment NCQ interface and remembers up to a 32 MB cache size.

Compare speed of reading and writing

Product code

ST31000340OAS SD03

ST3250824AS 3.AA

WD 5000AA External 200i

Capacity

1TB

250GB

500GB

Biggest speed

134.2MB / s

152.4MB / s

21.1MB / s

Random access

12.9ms

15.7ms

13.5ms

Average reading speed

85.5MB / s

57.0MB / s

20.9MB / s

CPU usage rate

3%

first%

3%

4. 1TB RE2-GP hard drive consumes less energy from Western Digital

Western Digital's RE2-GP hard drive uses less energy during startup, which means that you can save $ 10 annually on electricity bills on each drive. It has a search time of 8,9ms and 16MB of cache - about half as much as other drives of the same capacity. However, Western Digital's drive has significant energy savings, only about 7.4W, about 22% more efficient and 33% more than its main Deskstar 7K1000 competitors, Spinpoint F1's HD103UJ. Samsung and 1TB ST31000340AS from Seagate.

5. Hitachi's 1TB DeskStar 7K1000 hard drive

This hard drive does not promote efficiency but lower disk density allows it to perform better error checking without the need for complex programs, and transfer with fast read speeds that can edge. compete with other high-capacity drives comparable to it. The average reading speed of 7K1000 is about 10% faster than the results tested with RE2-GP.

Comparison table of technical standards

Type of hard drive

Biggest speed

Random access

Average reading speed

CPU usage rate

Western Digital WD10-00FYPS-01KKB 02.0 1TB

184.0MB / s

15.1ms

65.3MB / s

4%

Seagate ST31000340OAS SD03 1TB

124.7MB / s

13.0ms

85.4MB / s

ten%

Hitachi HDS721010KLA GKA0 1TB

185.9MB / s

12.6ms

72.4MB / s

4%

Seagate ST3250824AS 3.AA 250GB

120.7MB / s

16.9ms

56.6MB / s

2%

Western Digital WD 5000AA External 200i 500GB USB

25.0MB / s

13.4ms

24.8MB / s

first%

Producer

The average energy consumed when in operation mode

When in sleep mode

WDC

7.4 W

4.0 W

Seagate

11 W

8 W

Hitachi

10.8 W

9 W

Samsung

7.9 W

7.7 W

6. Sony's flash drive - a warrior's dream

Although this hard drive is included with the Sony Vaio TZ191N notebook, we still think it qualifies to be able to sort into the top 6. With 32GB, its capacity can be considered small, especially when 6GB the space used by the hidden partition, but this flash drive has an important advantage for mobile devices use, which can give the usual battery life up to 5 hours 31 minutes on the device laptop. The data transfer rate falls to 48.7MB / s with energy saving mode, 49.5MB / s for high-performance mode and 50.2MB / s with balanced mode, and all three modes are available Access time is 0.3ms.