Western Digital Part #/MPN: WD4001FYYG
DiscTech Item #: WDC-WD4001FYYG-NP-5Y
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Interface Types: SAS Serial Attached SCSI
Form Factor: 3.5inx1.0in LFF Hard Drive
Sector Size: 512 / 512e
Sustained Throughput: 182
Electrical Interface: SAS-2 Serial Attached SCSI v2 - 6.0Gbps
On-Board Cache: 32MB
Western Digital RE WD4001FYYG 4TB 7.2K 3.5" SAS Hard Drive -- New Pull
This 3.5" Western Digital 4TB Drive is the industries highest capacity nearline drive. It delivers 6 Gb/s transfer rates and being designed for quality and reliability, it delivers 24/7 operation in up to 100% duty cycles.
By eliminating single points of failure this drive offers higher reliability, performance, and data availability for leading business-critical enterprise topologies. This drive is RoHS compliant. With a head positioning system equip with two actuators, positional accuracy is improved over the data track(s). The primary actuator is able to provide coarse displacement, using conventional electromagnetic actuator principles; while the secondary actuator then uses piezoelectric motion to then fine tune the head positioning to a higher degree of accuracy.
With this drive comes a significant performance improvement in high vibration environments. This is achieved by enhanced RAFF technology, that includes sophisticated electronics that monitor the drive and are able to correct both linear and rotational vibration in real time. This drive also has RAID-specific time limited error recovery (TLER) that prevents drive fallout that is caused by the extended hard drive error-recovery process, common to desktop drives. With a stunningly fast 6Gb/s SAS interface, there is an easy integration into SAS storage subsystems, while continuing to delver twice the interface speed of traditional 3Gb/s SAS nearline hard drives.
This drive is ideal for high-capacity data center storage, business-critical environments, high-performance computing, storage area networks (SAN), network attached storage (NAS), direct attached storage (DAS), cloud storage, as well as surveillance systems.
This hard drive is compatible with: Windows 7/Vista/XP/2000, Windows Server, Linux, and Mac OS.
|Interface||SAS 6 Gb/s|
|Rotational Speed||7,200 RPM (nominal)|
|Buffer Size||32 MB|
|Load/unload Cycles||600,000 minimum|
|Transfer Rate (Buffer To Disk)||182 MB/s (Sustained)|
|User Sectors Per Drive||7,814,037,168|
|Operating Shock (Read)||65G, 2 ms|
|Non-operating Shock||300G, 2 ms|
|Idle Mode||31 dBA (average)|
|Seek Mode 0||34 dBA (average)|
|Operating||41° F to 131° F|
|Non-operating||-40° F to 158° F|
|Operating||5° C to 55° C|
|Non-operating||-40° C to 70° C|
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Weight: 1.8 lb
Warranty: 5 Year Manufacturer
The product has been mounted in a brand new system (e.g. server), then removed from the system, before entering service. These products may have some hours of usage due to system build time / burn-in / testing etc. New Pulls are guaranteed to have at least 95% (often 99%) of their service life remaining , they may show signs of being physically mounted and dismounted. All handling is performed by trained technicians, taking full ESD precautions.
5 Year Manufacturer Warranty
The product has a manufacturer warranty for the time period specified.