The WD Black2 Review: World's First 2.5" Dual-Drive
by Kristian Vättö on January 30, 2014 7:00 AM ESTRandom & Sequential Performance - HDD
The HDD performance is average, though that shouldn't surprise anyone as there hasn't been any major breakthrough in hard drive technology. The performance is still dictated by platter density and spindle speed, which puts the Black2 at the upper end with its two 500GB 5400rpm platters. I should note that as there is no way to test the hard drive partition of the Black2 as a raw disk like we usually test drives, I had to create an NTFS volume for testing. It's possible that there is some OS prefetching/caching going on, giving the Black2 an advantage especially in the random IO tests.
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piroroadkill - Thursday, January 30, 2014 - link
I don't know what WD was thinking with this product, I read other reviews before..A terrible SSD and a normal HDD with no caching....
... For a price that's equal to buying a Samsung 840 Evo 500GB. This product has no purpose.
RealBeast - Thursday, January 30, 2014 - link
"(the first generation 80GB Intel X-25M cost $595) and performance wasn't much better than what hard drives offered"Nonsense, the X-25M was a huge improvement on HDDs and it got the whole SSD thing going. I replaced 4 RAID 0 Raptors for my OS with an X-25M at around $450 and never looked back.
I still use my original three X-25M drives as Adobe scratch drives and they are going strong well beyond 150GB of writes to each. I doubt that my current 250/256-480/500GB OS drives will outlive them.
Black 2 makes sense for laptops with only one slot, no real place for it in desktops unless the prices gets competitive to 2 drives.
Kristian Vättö - Friday, January 31, 2014 - link
I didn't specifically mean the X-25M, I just used it as a pricing example. It was one of the first SSDs that didn't suck but some of the SSDs before it were truly horrible and could barely compete with hard drives.xrror - Monday, February 3, 2014 - link
The irony is guess who made the controllers on many of those early drives that sucked? ;)Frallan - Friday, January 31, 2014 - link
To little to lateThis is just 2 bad drives in one package - combining the bad of both sides - and expensive to boot.
Just my 0.02€
name99 - Friday, January 31, 2014 - link
Of course on a Mac the smart thing to do would immediately be to run core storage to fuse the two "partitions" together to give a genuine hybrid drive with genuine hybrid performance.If WD had the slightest intelligence, they would cobble together some basic program that could do all this automatically --- set up the appropriate partition table, set the partition types, then run diskutil cs to perform the fuse operation. Mac users may be less numerous than Windows users, but they also tend to have more money to spend on peripherals... But they're not going to spend all that glorious money that has made Apple so rich on companies that treat the like second class citizens...
stratum - Friday, January 31, 2014 - link
Does this work under Linux?jeffbd - Friday, January 31, 2014 - link
Doesn't work on Linux without requiring access to a Windows OS? Pass. I was going to buy this too. Oh well. I'll stick to my dual drive using dual components method for now.Horsepower - Saturday, February 1, 2014 - link
My desktop system has no internal hard drive, just a removeable rack which I use for booting to different drives. My most recent refresh included a Seagate SSHD with only slight HDD performance increase (over previous Velociraptor(s). This could be useful for my setup.0ldman79 - Tuesday, February 4, 2014 - link
I just keep thinking about data recovery on the mechanical drive.If a driver is required to access the 1TB spinner then exactly how are we suppose to use various low level data recovery tools?
I can't see recommending this to my customers. I'm a bit nervous about using one for anything other than a gaming rig.