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Comparison Seagate SkyHawk +Rescue ST2000VX017 2 TB vs WD Blue WD20EZAZ 2 TB
256/5400

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Seagate SkyHawk +Rescue ST2000VX017 2 TB
WD Blue WD20EZAZ 2 TB 256/5400
Seagate SkyHawk +Rescue ST2000VX017 2 TBWD Blue WD20EZAZ 2 TB
256/5400
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Placementbuilt-inbuilt-in
TypeHDDHDD
FeaturespCpC
Size2000 GB2000 GB
Form factor3.5 "3.5 "
ConnectionSATA3SATA3
Manufacturer's warranty2 years
Technical specs
Cache memory256 MB256 MB
Record technologyCMRSMR
RPM5400 rpm5400 rpm
Data transfer rate180 MB/s180 MB/s
General
Size147x102x20 mm147x102x26 mm
Weight415 g
Added to E-Catalogmay 2023july 2020

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.

Record technology

CMR(Conventional Magnetic Recording) is a classic method of magnetic recording, characterized by high data access speed. CMR hard drives are used in systems where it is important to provide high (as far as possible) data read/write speed. These are user computers, security video surveillance systems, etc. The main disadvantage of CMR hard drives is the high complexity of creating volume drives, which is reflected in their price. Additionally, HDDs with CMR technology are quite “gluttonous” in terms of power supply.

SMR(Shingled Magnetic Recording) — a promising technology for magnetic recording, which is called "tiled". SMR allows to achieve high data density, which in turn increases the capacity of memory drives and lowers their market value. SMR hard drives have slow rewriting speed, which makes such memory drives poorly suited for use in client computer systems. But they have proven themselves well when working as part of data processing centers, archives and similar systems for which low write / rewrite speed is not critical. However, some companies still produce SMR solutions for personal and even mobile systems. These HDDs use an optimized write/rewrite technology called Drive-Managed SMR (DM-SMR).
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