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In Desktop Internal Hard Drives

Tons of space and lots of speed.

Decent transfer speeds up to 150 MB/Sec using SATA III Interface Runs cool and quiet Reasonably priced when on sale, 21 bucks a terabyte

The product works well and I use it as a backup drive. The price for this performance and amount of storage is excellent.

Very good drives and very reliable, have had them in raid 1 for about a year and going strong . Best bang for the buck for reliable storage drive in mirror for data.

- It was easy to put into the drive cage, then it was just a SATA and a data cable plugin, and bam! It was finished just like that. - It's very well priced for 2 terabytes

- Formatted cleanly and no errors on extended drive test. - Added to existing array cleanly. - Have been consistently getting 6+ years out of IronWolf drives in 24x7 RAID environment for media server.

One of largest drives on the market. Meant for 24/7 operation. Quiet. Works well in my NAS. No errors found on drive.

I tested two standard duty WD30EFRX Red 3TB NAS Hard Disk Drives (HDD) by Western Digital. WD also markets a heavier duty "Pro" version of their Red NAS drive series. This product's outstanding features include: Intellipower Motor Control SATA 6 Gb/s - Interface Transfer Rate 64MB Memory Cache 3.5 Inch Form Factor Low Heat Output/Low Power Consumption/Low Vibration Operation POR of 8,760 hours/year (24 x 7 operation) (MTBF) rating of 1,000,000 hours Up to 8-bay network attached storage (NAS) applications 3D Active Balance Plus Deployment Type: Table-top; Light workload NAS Lets start by going over some of the features listed above. First off, what is Intellipower? I have studied this term over the years and it seems to mean whatever WD marketing wants it to mean, depending on the particular drive model. In other words its more of a marketing term than a spec. WD's past marketing information stated: "A fine-tuned balance of spin speed, transfer rate and caching algorithms designed to deliver both significant power savings and solid performance". It generally refers to hard disk drives that spin slower than 7,200 RPM. These Red drives are thought to operate at between 5,000 and 5,900 RPM, with 5,400 being the most often stated RPM. The specs on WD's website simply state "Intellipower" for the RPM spec. No actual RPM speed is officially stated. Perhaps a WD rep could clear this confusion up? The SATA 6 Gb/Sec is the maximum interface speed. This is usually a buffer to buffer data rate between the drive and its host. The actual average measured sustained data transfer rate I saw according to published benchmarks is around 112 Mb/Sec. These drives are designed to be used in near-line NAS storage devices in a home or small office networking environment. They are not designed for OS boot drives in a desktop, unless you like waiting for your Windows and or programs to load. They could be used as a second "data" drive however in a desktop. When used in their proper application in a 1-8 disk Network Attached Storage (NAS) system they are ideal. In that application throughput is going to limited mostly by the network transfer speed. Durability becomes a more important factor. By operating at a reduced speed of 5,400 RPM, heat output, power consumption, wear and tear are all reduced as compared to a standard 7,200 RPM desktop drive. According to Tom's Hardware these Red drives have a Power On Rating (POR) of 8,760 hours/year and are rated for 24 x 7 continuous operation. After being in the computer business for over 35 years I have learned to take HDD MTBF ratings with a grain of salt. They are generally so over-rated as to be an almost meaningless spec. So ignore them when selecting a hard drive for your particular application. These standard "Red" drives are rated for use in up to 8-Bay NAS devices. Use the Pro series "Red" drives in larger arrays that use up to 16 drives. The reason for this is the NASware v3.0 firmware installed inside these drives is optimized to work best in arrays of 1-8 drives. What differentiates WD red drives from other desktop drive models is their Time Limited Error Recovery (TLER) spec. This WD firmware spec limits drive timeouts to less than 8 seconds. Longer time-outs could cause a RAID controller to think the drive is offline. The RAID controller might then mark the drive as defective, when it's really not. Drives have to take time-out breaks from time to time just like people do, to perform internal maintenance. During a time-out they move data from weak sectors to unused good sectors, to maintain the integrity of the data stored on their platters. It's a form of internal housekeeping. This internal maintenance is usually performed when the drives are idling and not being accessed. 3D Active Balance Plus is a system that can detect and counter vibrations generated by other nearby hard drives as is common in tightly packed NAS cases.

Big Best bang for buck value Quiet. I've read reviews whining about noisy hard drives in NAS boxes. My NAS is currently on my desk. I can hear the drive working but they are not loud.

Non so far

Big Drive at a SMALL Price, Great For Movie Storage

Really fast.

8tb hard drive that works

I have purchased 7 of the WD RED 3 TB drives to use in Windows Server 2012 Hyper-V. (2 servers). Although Windows Storage Spaces is like a NAS, throughput is a bit slow. When used as a single drive in Windows 8 and 8.1 I get about 135 MB/s throughput.

-Transfer rates are good - average a little over 200MB/s, drive to drive on the same LSI HBA on Unraid if it matters. -Temperature is good - average 30C in a 20C room during continuous transfer of files, about the same as a 6TB (WD6003FFBX), and about 5C lower than a 10TB (WD102KFBX). Idle temp is ~26C. This drive and comparables are in the same server/array. - Noise is relatively low, about the same as a 6TB and noticeably more quiet than the 10TB. - Cost per TB is good when on sale, very close to the largest 18-22TB rate.

Update: New drive works great; I have about 2OTB stored and filed away for safe keeping. back to 5 stars, fast replacement turnaround.

Huge capacity, very fast

Fast Rebuild. Reliable. 5 Year Warranty. Peace of Mind.

- for the size and tasks required of them, I can't even hear them working.

By MB, the cheapest and reliable HD in the market Will last many years of constant use