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Western Digital RE RAID Edition 4TB SATA Enterprise Drive - Full Review

Subject: Storage

PCPer File Copy Test

Our custom PCPer-FC test does some fairly simple file creation and copy routines in order to test the storage system for speed.  The script creates a set of files of varying sizes, times the creation process, then copies the same files to another partition on the same hard drive and times the copy process as well.  There are four file patterns that we used to try and find any strong or weak points in the hardware: 10 files @ 1000 MB each, 100 files @ 100 MB each, 500 files @ 10 MB each and 1000 files at 1 MB each. 

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The RE took a chunk out of the Red, which had previously owned this test in all but the VelociRaptor results.

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The RE has a seek (and therefore noise) signature matching that of the WD RE4 and Black drives. It's not horribly loud, but you can certainly tell when it's busy. The RE handily beat out all other drives save the VelociRaptor, which it came surprisingly close to. Our copy test uses both the start *and* the middle of the platters, so the increase in density is not all that's needed to do well in this test. The drive must also have good seek performance, which the RE clearly does here.

October 10, 2012 | 11:21 PM - Posted by wujj123456

It's RAID edition review without RAID benchmarks, right? Did I miss something or maybe you are not provided enough drives for RAID testing?

October 28, 2012 | 09:17 PM - Posted by Allyn Malventano

All of these drive tend to scale similarly when in a RAID, depending more on the RAID controller than the drive itself. WD had a very limited number of samples for the new RE.

October 11, 2012 | 10:47 AM - Posted by fourpixel

Me gusta! :3

October 12, 2012 | 09:36 PM - Posted by James (not verified)

To answer the first fellow's question. That is simply the name of the drive not what the review entails. RE is short for Raid Edition.

October 16, 2012 | 02:58 PM - Posted by EVOTiVO

I have always wanted a SSD....Now i want 4 terabyte of hard drive space....

October 29, 2012 | 12:14 PM - Posted by Nerun (not verified)

I am curious, do you think the 2TB and 3TB would perform the same as the 4TB version? Will the lower amount of platters and heads cost some performance to the lower capactiy drives?

What I also wonder about is the new line of specific SAS models. Aou can plug a SATA drive in a SAS controller without any problems, so why the specific SAS line?

Thanks!

January 10, 2013 | 10:46 PM - Posted by Anonymous (not verified)

You can plug a SAS device into a SATA controller but NOT a SATA device into a SAS controller.

September 3, 2013 | 07:00 AM - Posted by Allyn Malventano

You're backwards on that :). Most SAS RAID controllers can handle SATA.

September 5, 2013 | 06:34 AM - Posted by Anonymous (not verified)

In fact, it's exactly the other way around.

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