6 TB NAS Drives: WD Red, Seagate Enterprise Capacity and HGST Ultrastar He6 Face-Off
by Ganesh T S on July 21, 2014 11:00 AM ESTSingle Client Access - DAS and NAS Environments
The drives under test were connected to a 6 Gbps SATA port off the PCH in our DAS testbed. After formatting in NTFS, they were subject to our DAS test suite. The results are presented in the table below.
| 6 TB NAS Drives Face-Off: DAS Benchmarks (MBps) | ||||||
| WD Red 6 TB | Seagate Enterprise Capacity v4 | HGST Ultrastar He6 | ||||
| Read | Write | Read | Write | Read | Write | |
| Photos | 137.3 | 141.45 | 146.36 | 193.52 | 146.72 | 102.54 |
| Videos | 138.11 | 137.25 | 185.94 | 207.34 | 149.71 | 104.74 |
| Blu-ray Folder | 136.1 | 140.22 | 185.12 | 215.47 | 149.81 | 107.03 |
| Adobe Photoshop (Light) | 2.54 | 237.28 | 7.22 | 225.41 | 5.9 | 248.37 |
| Adobe Photoshop (Heavy) | 3.32 | 250.14 | 9.68 | 210.47 | 8.03 | 235.11 |
| Adobe After Effects | 2.27 | 96.75 | 7.27 | 49.66 | 5.98 | 17.05 |
| Adobe Illustrator | 2.36 | 101.77 | 7.11 | 163.16 | 5.9 | 71.59 |
On the NAS environment side, we configured three drives in RAID-5 in the QNAP TS-EC1279U-SAS-RP unit. Two of the network links were bonded (configured with 802.3ad LACP). Our usual Intel NASPT / robocopy benchmarks were processed from a virtual machine in our NAS testbed. The results are presented in the graph below.
The results above indicate that when it comes to a networked environment, the lower rotational speeds of the WD Red 6 TB are not much of an issue for single client accesses. It manages to acquit itself well in most of the test cases. Write-intensive workloads do cause the performance to drop a bit. Between the HGST Ultrastar He6 and the Seagate Enterprise Capacity, there is not much to help differentiate in this particular evaluation routine.
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ganeshts - Tuesday, July 22, 2014 - link
I have seen graphs in preparation where some set of values are just dwarfed by the higher values from other result sets. What you see is basically a set of clustered points at the base (very close to the X axis), while there is a nicer graph with clearly spaced out values for the other result set in the middle of the graph. Trust me, I have done this and it doesn't look nice or present meaningful information to the readers.Fjodor2000 - Tuesday, July 22, 2014 - link
Are there any measurements and comparison of the noise levels for these new WD HDDs?Particularly for the WD Red 5 and 6 TB HDDs this would be interesting to know, and how they compare to the 4 platter WD Red 4 TB HDD.
stevenrix - Tuesday, July 22, 2014 - link
Any kind of hard-drive will fail sooner or later, but the quality of hard-drives has been horrible for the last 5 years or maybe more, which is unfortunately expected since bigger hard-drives increase MTBF. The professional drives seem to fail faster than consumer drives from what I've seen: a 1 tb SAS drive 3.5 inch 15K speed can fail just about 2 months after purchasing it, because the platters spin faster and they are no other additional technical enhancements on these drives compared to consumer drives.Out of probably 200 drives I've used over the last 2 decades, only one never failed and it is a WD 73 Gb in EIDE. After seeing so many failures, I decided to use RAID levels and backup my data on backup tapes.
There is also one important point: the replaced drives in the US is refurbished most of the time, while that's not the case in Europe, unless this has changed. Once you get a replacement, you can be sure that the drives will fail in less than 1 year, so those companies are defeating the purpose, replacing a drive by an old hard-drive that has been refurbished to meet satisfactory criterias, that is not good customer service without mentioning those monopolistic companies. A little bit more competition should be good for us consumers.
The only company so far I've been satisfied is with HGST.
jabber - Wednesday, July 23, 2014 - link
I live in Europe. Had a WD 75GB Raptor fail on me after a couple of years. The replacement was marked as 'Recertified'.That replacement is still going nearly 7 years later as one of my stunt drives. You know the one or two drives you have laying around that get tossed into all sorts of projects. Just keeps on trucking.
Jorsher - Thursday, July 24, 2014 - link
A lot of people seem to assume that new is better than "refurbished."What they don't realize is that refurbished products tend to go through a much more thorough testing process than brand new products. This is just based on a couple consumer electronics companies I've worked at, with the largest being LG. New products go through a relatively quick test, and in many cases they only test a few out of each batch. Products that are sent back due to warranty are first put through a thorough test to determine what problems it has, then it's decided if it's worth repairing or not, then it's repaired, then it's put through another test -- for every one.
Since those experiences, I now buy factory-refurbished when possible.
hwnmafia02 - Friday, July 25, 2014 - link
Man those companies provided you with such wonderful hardware and you can't even include the logos for each in the thank you section? Come on, now...Elmeransa - Saturday, July 26, 2014 - link
Running 8*3TB WD Red since 2 years back, no issues at all in raid5Haravikk - Monday, July 28, 2014 - link
One thing that wasn't mentioned was noise; while there were several reasons for my choosing WD Reds for my Synology NAS (a DS212j with two 3tb disks simply concatenated for capacity since it's already a redundant backup). My main decision factors were that the WD Reds were a reasonable price (not too far above greens), but are also exceptionally quiet; except for when they're initially spinning up or spinning down I can't even hear them over the sound of the NAS' fan, and the fan is barely audible to begin with. Meanwhile I've known enterprise drives that are very noisy, as well as various desktop disks that sound like someone pouring gravel (during normal operation).swansearecovery - Monday, July 28, 2014 - link
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