Average Reviews:
(More customer reviews)I recently picked up a Synology DS1511+ NAS and wanted good hard drives to put in them so that it would not hinder its performance. The Hitachi Ultrastar is a server grade hard drive that combines durability with eco-friendliness. While most green drives run at 5400 to 5900RPM, the Ultrastar operates at 7200RPM and knows when to power down when not needed. Overall, I am very pleased with these units will look forward to future 3 TB versions of the drive.
During my initial data dump from 4 existing hard drives (internal drive, another NAS, and 2 USB external drives) to my RAIDed setup in the DS1511+, I was able to get consistent 75-90MB/s write speeds for 10+ hours. I did think these drives were a bit loud in the beginning but now that we're using it more for reads instead of writes, the drives and the NAS are running a lot quieter.
If you are using your NAS mainly for backup, archiving and storage, then you may want to look into other green drives as they are a ton cheaper and do work very well for those purposes. If you need your NAS to be a media hub, streaming music, photos and HD movies to a number of PC's in the house at the same time, then you may want to look at one of these drives. Yes, they are a bit expensive and may even be overpriced for home use but the warranty and quality makes up for it. Nothing is more annoying than lost data or hiccups during media playback. With these drives, you can relax comfortably knowing they'll do their jobs.
Click Here to see more reviews about: Hitachi Ultrastar A7k2000 Enterprise Class 2tb, 32mb 7200rpm, SATA2-HUA722020ALA330-0F10452
Doubling the capacity density as data center professionals across the globe work to meet growing enterprise needs, they face the dilemma of storing more data in the same footprint while also reducing power and HVAC consumption. The new UltrastarTM A7K2000 provides twice the data storage capacity of theprior generation Ultrastar A7K1000 drive, and does so using fewer watts. It is now possible to achieve a colossal 1.2 petabytes (PB) in the footprint of a standard 19-inch enterprise storage rack by deploying the 2TB A7K2000 in a stack of ten 4U, 60-bay enclosures.Operating at 7200 RPM, the Hitachi Ultrastar A7K2000 offers better overall performance than slower-RPM, capacity-oriented drives at impressively low power-consumption rates. When compared to the previous generation Ultrastar A7K1000, the A7K2000 offers up to a 155% improvement in sustained data transfer rate, and a 120% improvement in watts-per-GB. Withfive Advanced Power Management modes, a 36% reduction in watts during low-RPM idle mode, and using less than 1W during standby/sleep mode, the Ultrastar A7K2000 can help data centers achieve lower AC power and HVAC requirements, freeing up precious headroom for growing enterprise needs.
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