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Comparison Hitachi Travelstar Z5K1 2.5" HTS541010B7E610 1 TB vs Hitachi Travelstar Z5K500.B 2.5" HTS545050B7E660 500 GB

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Hitachi Travelstar Z5K1 2.5" HTS541010B7E610 1 TB
Hitachi Travelstar Z5K500.B 2.5" HTS545050B7E660 500 GB
Hitachi Travelstar Z5K1 2.5" HTS541010B7E610 1 TBHitachi Travelstar Z5K500.B 2.5" HTS545050B7E660 500 GB
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Placementbuilt-inbuilt-in
TypeHDDHDD
FeaturespCpC
Size1000 GB500 GB
Form factor2.5 "2.5 "
ConnectionSATA3SATA3
Manufacturer's warranty3 years5 years
Technical specs
Cache memory128 MB16 MB
RPM5400 rpm5400 rpm
Average search time11 ms11 ms
Operation power consumption1.6 W1.6 W
Standby power consumption0.5 W0.16 W
Shockproof400 G400 G
Reading noise level21 dB22 dB
Standby mode noise level19 dB17 dB
MTBF600 K600 K
General
Size70x100x7 mm70x100x7 mm
Weight92 g92 g
Added to E-Catalogaugust 2017august 2016

Size

Rated capacity is one of the key parameters of a hard drive, which determines how much information can fit on it. For SSHD, this item indicates the capacity of only the hard drive, for RAID arrays, the total capacity of the array.

The volume of information in the modern world is constantly growing and require more and more capacious drives. So in most cases it makes sense to choose a larger disk. In fact, the question of choosing this parameter often rests only on the price: the cost of the drive directly depends on the volume.

If the question is in such a way that you need to choose a disk "smaller and cheaper, but that's enough" — it's worth evaluating the amount of information that you have to deal with and the specifics of use. For example, for an ordinary office PC, designed mainly for working with documents, an internal drive of 2 TB and even 1 TB will be more than enough, and an enthusiastic gamer will need 4 TB, 6 TB and even 8 TB will not be superfluous. If you use a disc for recording from camcorders, then you can get a 10 TB, 12 TB, 14 TB, 16 TB, 18 TB or more HDD.

Manufacturer's warranty

Manufacturer's warranty provided for this model.

In fact, this is the minimum service life promised by the manufacturer, subject to the rules of operation. Most often, the actual service life of the device is much longer than the guaranteed one.

Cache memory

The amount of internal hard drive memory. This memory is an intermediate link between the high-speed computer RAM and the relatively slow mechanics responsible for reading and writing information on disk platters. In particular, the buffer is used to store the most frequently requested data from the disk — thus, the access time to them is reduced.
Technically, the size of the buffer affects the speed of the hard drive — the larger the buffer, the faster the drive. However, this influence is rather insignificant, and at the level of human perception, a significant difference in performance is noticeable only when the buffer size of the two drives differs many times — for example, 8 MB and 64 MB.

Standby power consumption

The amount of power consumed by the disk "idle". In the on state, the disk platters rotate regardless of whether information is being written or read or not — maintaining this rotation takes the energy consumed while waiting.

The lower the power consumption while waiting, the more economical the disk is, the less energy it consumes. At the same time, we note that in fact this parameter is relevant mainly when choosing a drive for a laptop, when energy efficiency is crucial. For stationary PCs, “idle” power consumption does not play a special role, and when calculating the requirements for a power supply, it is necessary to take into account not this indicator, but the power consumption during operation (see above).

Reading noise level

The level of noise produced by the disk when reading and/or writing information. The source of sound in this case is the moving plates of the disk, as well as the mechanics that control the reading heads. The lower the noise level, the more comfortable the use of the device. The maximum noise produced by modern hard drives during operation is about 50 dB — this is comparable to the sound background in an average office.

Standby mode noise level

The amount of noise produced by a disk "idle", when no read and/or write operations are performed. The sound source in this case is the plates — they rotate all the time while the disk is on; since no other mechanics are involved, idle noise is generally lower than read/write noise. The lower the noise level, the more comfortable the use of the device. The maximum noise level of modern hard drives in standby mode is about 40 dB — this is comparable to quiet human speech.
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