Ideal for enterprise servers & storage, video surveillance, & other write-intensive applications, WD RE 7200 RPM Enterprise SATA hard drives offer large capacity, 64 MB cache, 4th generation vibration tolerance ...

WD RE SAS hard drives are engineered to offer data-hungry SAS storage systems the massive capacity they need without compromising top-of-the-line performance. Advanced reliability & data integrity features allow for 24x 7 operation in tightly packed vibration prone multi-drive systems. This uncompromising combination of high-capacity, peak performance & best-in-class reliability make WD RE SAS drives ideal for business critical applications. ...

Ideal for enterprise servers & storage, video surveillance, & other write-intensive applications, WD RE 7200 RPM Enterprise SATA hard drives offer high capacity, 64 MB cache, 4th generation vibration tolerance. WD Re Enterprise SATA hard drives offer best-in-class performance & low power consumption for business-critical environments. The 3.5-inch WD RE SATA drives offer the powerful combination of enterprise-class performance & highest capacity required for demanding high-performance computing & business-critical environments. Vibration protection Enhanced RAFF technology

Includes:: sophisticated electronics to monitor the drive & correct both linear & rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives. RAID-specific, time-limited error recovery (TLER) Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.

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Ideal for enterprise servers & storage, video surveillance, & other write-intensive applications, WD RE 7200 RPM Enterprise SATA hard drives offer up to 4 TB capacity, 64 MB cache, 4th generation vibration tolerance & 5-year limited manufacturer warranty.

Specification Capacity: 4TB Interface: SATA-6GB/s Form Factor: 3.5" Rotational Speed: 7200RPM Cache: 64MB Buffer to host data transfer rate (max): 6GB/s RECERTIFIED What is a Recertified Drive? Recertified products may consist of customer return units & may have been repaired. ALL recertified products are thoroughly tested & determined to meet stringent quality standards before they are distributed for sale. Please note that some recertified items may not be cosmetically mint condition & may have scratches or marks REFURBISHED Q: What is an NOH/ Refurbished unit? A: An NOH/ Refurbished unit is one that is " Newly Overhauled". At some point they have been returned from either an end user or a dealer, & may or may not have been used. IN SUMMARY
- Since these units have been in the field they cannot be sold as new, but are as good as new. What is the warranty on a recertified drive? Ebuyer will support all Recertified Hard Drives with a 90 day warranty


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Western Digital WD4001FYYG RE Enterprise SAS hard drive combines a 32 MB cache with a SAS 6 Gb/s transfer rate & dual stage actuation for lightning-fast performance in demanding server & storage applications. Featuring technologically advanced acoustics to minimise noise, cool drive operation & enhanced reliability features to help protect the Western Digital WD4001FYYG RE hard drive & the data stored on it. Hard Drive Statistics Speed: 7200 rpm Seek time: 5.5 ms avg Cache: 32MB Interface: SAS 6 Gb/s (300MB/sec) NCQ How This WD RE Enterprise Hard Drive Protects Your Data Western Digital WD4001FYYG RE include enhanced RAFF technology & sophisticated electronics to monitor the drive & correct both linear & rotational vibration in real time, the result is a significant performance improvement in high vibration environments over the previous generation of drives. Shock Guard instantaneously protects the hard drive against damage from bumps & vibrations while it is running, this technology enables the WD WD4001FYYG RE drive to achieve industry-leading shock specifications Key Features Dual actuator technology
- A head positioning system with two actuators that improves positional accuracy over the data track (s) Dual processor
- With double the processing power, WD RE boasts the highest performance of any drive in the WD RE family Stable Trac
- The motor shaft is secured at both ends to reduce system-induced vibration & stabilize platters for accurate tracking during read & write operations RAFF
- Enhanced RAFF technology

Includes:: sophisticated electronics to monitor the drive & correct both linear & rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives Intelli Seek
- Calculates optimum seek speeds to lower unnecessary power consumption, noise, & vibration. Multi-axis shock sensor
- Automatically detects the subtlest shock events & compensates to protect the data RAID-specific, time-limited error recovery (TLER)
- Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives Third generation dynamic fly height
- Each read-write head's fly height is adjusted in real time for optimum reliability Thermal extended burn-in test
- Each WD RE drive is put through extended burn-in testing with thermal cycling to ensure reliable operation No Touch ramp load technology
- The recording head never touches the disk media ensuring significantly less wear to the recording head & media as well as better drive protection in transit Perpendicular Magnetic Recording (PMR)
- WD RE drives utilize PMR technology to achieve even greater areal density, reliability, & design margin Active Power Save
- Delivers best-in-class power consumption through advanced WD firmware that conserves power in active seek modes without degrading performance This Western Digital WD4001FYYG RE Stores: Up to 800, 000 digital photos Up to 1, 000, 000 songs (MP3) Up to 100, 000 songs (uncompressed CD quality) Up to 300 hours of Digital Video (DV) Up to 1540 hours of DVD quality video Up to 480 hours of HD video (Examples of the number of photos, songs, videos & any other files that can be stored on a hard drive are provided for illustrative purposes only. Your results will vary based on file size & format, settings, features, software & other factors.) One gigabyte (GB) = one billion bytes. One terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment.













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With advanced technology that delivers consistent high performance in a multitude of applications, & with ten times the workload capability of desktop drives, WD Re is the workhorse of the WD's datacenter portfolio. WD Re is perfect for high-availability storage arrays that demand the most robust storage device available. High performance, capacity & reliability make WD Re ideal for data warehousing/mining & high-performance computing. High capacity Nearline drive
- Massive capacities up to 6 TB suit even the most demanding datacenter, enterprise server, or cloud storage needs. Designed for high-intensity applications
- Designed to handle up to 550 TB per year – the highest workload capability of any 3.5-inch hard drive – delivering both performance & reliability to any datacenter environment. Designed for durability & reliability
- With up to 1.4 million hours MTBF, this high performance drive delivers the highest level of reliability for 24x 7x 365 operation in the most demanding storage environments. Designed for quality & reliability
- Datacenter drives undergo at least 5 million hours of functional testing, & over 20 million hours of comprehensive Interoperability testing in an extensive array of server & storage systems. Please see the product AVL list on our website for more information. Dual processor
- Twice the processing power to maximize performance. Stable Trac™ – The motor shaft is secured at both ends to reduce system-induced vibration & stabilize platters for accurate tracking during read & write operations. Multi-axis shock sensor – Automatically detects the subtlest shock events & compensates to protect the data. Vibration Protection
- Enhanced RAFF™ technology

Includes:: sophisticated electronics to monitor the drive & correct both linear & rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives. RAID-specific, time-limited error recovery (TLER) – Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. No Touch™ ramp load technology – The recording head never touches the disk media ensuring significantly less wear to the recording head & media as well as better drive protection in transit. Thermal extended burn-in test – Each drive is put through extended burn-in testing with thermal cycling to ensure reliable operation. Dynamic fly height technology – Each read-write head’s fly height is adjusted in real time for optimum reliability. Dual actuator technology
- A head positioning system with two actuators that improves positional accuracy over the data track (s). The primary actuator provides coarse displacement using conventional electromagnetic actuator principles. The secondary actuator uses piezoelectric motion to fine tune the head positioning to a higher degree of accuracy. (2 TB & above)








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With advanced technology that delivers consistent high performance in a multitude of applications, & with ten times the workload capability of desktop drives, WD Re is the workhorse of the WD's datacenter portfolio. WD Re is perfect for high-availability storage arrays that demand the most robust storage device available. High performance, capacity & reliability make WD Re ideal for data warehousing/mining & high-performance computing. High capacity Nearline drive - Massive capacities up to 6 TB suit even the most demanding datacenter, enterprise server, or cloud storage needs. Designed for high-intensity applications - Designed to handle up to 550 TB per year – the highest workload capability of any 3.5-inch hard drive – delivering both performance & reliability to any datacenter environment. Designed for durability & reliability - With up to 1.4 million hours MTBF, this high performance drive delivers the highest level of reliability for 24x 7x 365 operation in the most demanding storage environments. Designed for quality & reliability - Datacenter drives undergo at least 5 million hours of functional testing, & over 20 million hours of comprehensive Interoperability testing in an extensive array of server & storage systems. Please see the product AVL list on our website for more information. Dual processor - Twice the processing power to maximize performance. Stable Trac™ – The motor shaft is secured at both ends to reduce system-induced vibration & stabilize platters for accurate tracking during read & write operations. Multi-axis shock sensor – Automatically detects the subtlest shock events & compensates to protect the data. Vibration Protection - Enhanced RAFF™ technology

Includes:: sophisticated electronics to monitor the drive & correct both linear & rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives. RAID-specific, time-limited error recovery (TLER) – Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. No Touch™ ramp load technology – The recording head never touches the disk media ensuring significantly less wear to the recording head & media as well as better drive protection in transit. Thermal extended burn-in test – Each drive is put through extended burn-in testing with thermal cycling to ensure reliable operation. Dynamic fly height technology – Each read-write head’s fly height is adjusted in real time for optimum reliability. Dual actuator technology - A head positioning system with two actuators that improves positional accuracy over the data track (s). The primary actuator provides coarse displacement using conventional electromagnetic actuator principles. The secondary actuator uses piezoelectric motion to fine tune the head positioning to a higher degree of accuracy. (2 TB & above)

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WD RE4 enterprise SATA hard drives combine 64 MB cache with a SATA 3 GB/s transfer rate & dual stage actuation for lightning-fast performance in demanding server & storage applications. Technologically advanced acoustics minimize noise. Cool drive operation & enhanced reliability features help protect the drive & the data stored on it. Please note: networking components such as switches, routers, UPS & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com. ...

WD RE4 enterprise SATA hard drives combine 64 MB cache with a SATA 3 GB/s transfer rate & dual stage actuation for lightning-fast performance in demanding server & storage applications. Technologically advanced acoustics minimize noise. Cool drive operation & enhanced reliability features help protect the drive & the data stored on it. Please note: networking components such as switches, routers, UPS & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com. ...

The WD formula of success has led the growth of the Red NAS range into higher capacities & expansion into new 2.5-inch solutions. WD now offer a broader, more comprehensive portfolio of NAS hard drives, it is not just about NAS drives any more, it is REDvolutionary. 2.5" Form Factor SATA-III Interface Intellipower = A balance of spin speed, transfer rate designed to save power & maximise performance 16MB Cache Next generation experience Every component, line of code, & product decision was built on WD's passion & determination to deliver the best NAS experience. The next generation of WD Red hard drives delivers on this promise with massive capacity & NASware 2.0, which further improves drive reliability & protects your data in the event of a power loss or power disruption. WD Red Is Ideal for: Specifically designed & tested for small office & home office, 1-5 bay NAS systems, small media servers & PCs with RAID. Experienced in NAS In all the cultures around the world, first impressions are what leave a mark. With superior technology that is driven to impress, WD Red is a reflection of the most extensive NAS partner compatibility-testing list that is available on the market. That means when you buy a NAS enclosure, you can trust that WD Red will be the most compatible drive available. Our pride is in our product & our vision is shared with our customers. Check Compatability HERE NAS for home Take your connected home environment to the next level with a NAS system that is equipped with WD Red hard drives & enjoy streaming your media, backing up your computers, file sharing & managing your digital content faster & easier. WD Red's NASware 2.0 experience with increased compatibility makes sharing from your mobile device, computer, TV, stereo & more an instant gratification. & with capacities now available in 4 TB, a 5-bay NAS system can hold close to 20 terabytes of data! NAS for small business Increase the efficiency & productivity of your small business with WD Red hard drives for your 1 to 5 bay NAS system. WD Red comes equipped with NASware 2.0, which increases system compatibility allowing for seamless integration with your existing network infrastructure. Add value to your business by enabling your employees to quickly share their files & back up folders reliably with WD Red NAS hard drives in your NAS solution. Exclusive NASware 2.0 technology WD's exclusive technology, NASware 2.0, makes WD Red thrive in the demanding small-NAS environment. By adding WD Red to your NAS system, not only is everything more efficient & reliable, you get to enjoy a REDvolutionary NAS experience. 3D Active Balance Plus WD's enhanced dual-plane balance control technology significantly improves the overall drive performance & reliability. Hard drives that are not properly balanced may cause excessive vibration & noise in a multi-drive system, reduce the hard drive life span, & degrade the performance over time. The right choice The right choice for NAS, no other drive is designed specifically for home & small office NAS systems & PCs with RAID. Enhanced reliability Since your NAS system is always on, a highly reliable drive is essential. With a 35% MTBF improvement over standard desktop drives, the WD Red drive with NASware 2.0 is designed & manufactured to be a more reliable & robust solution. NAS compatibility Advanced firmware technology built into every WD Red drive, NASware 2.0 enables seamless integration, robust data protection & optimal performance for systems operating in NAS & RAID environments. The secret is the next-generation technology WD's next generation NASware 2.0 technology improves NAS storage performance by reducing common hard drive concerns in NAS systems. This

Includes:: concerns for things like compatibility, integration, upgrade ability, reliability & cost of ownership that are experienced with a hard drive designed for desktop computers. Longer warranty coverage WD Red hard drives are backed by a 3-year limited warranty for greater peace of mind. Energy efficient & money saving WD keep power consumption low, which keeps your NAS system happy, & your wallet too. Lower operating temperatures Reduce your electricity bill & carbon footprint with WD Red drives. Innovative technology reduces power consumption & lowers the operating temperature, resulting in a more reliable & affordable solution for always on 24x 7 NAS environments. Need help? WD offer premium support. Every WD Red hard drive comes with our world-class professional support services including a premium dedicated 24/7 support line & a 3-year limited warranty.

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