Final Words

The Extreme Pro is without a doubt the fastest SATA 6Gbps SSD in the market. As Anand said in the Extreme II review, SanDisk has picked an excellent balance of IO consistency and peak performance, resulting in high performance regardless of the workload. Too often I have seen manufacturers focusing on just one or the other, with the end result being an unbalanced drive. Intel's SSD 730 is a prime example of this -- its random write consistency is one of the best we have ever seen, but the lack of peak performance makes it a middle-class performer in our Storage Benches. In the end, real world performance is a mix of consistency and peak performance because the drive is not constantly hammered with high queue depth write activity (which is why peak performance matters) but on the other hand it must also be able to handle a constant IO load consistently. 

My only real complaint is SanDisk's decision to not include TCG Opal 2.0 support in the the Extreme Pro. Right now there are no high performance client SSDs with proper encryption support, and I think that's a niche SanDisk should have taken onboard. Currently you can buy the Crucial MX100/M550 or Samsung 840 EVO to get proper encryption support, but that comes at the cost of performance. In my opinion a user should not have to decide between performance and encryption because both are vital. There is hope that the X300s fills the gap by providing Extreme Pro class performance with full encryption support, but I am afraid that the limited availability and the higher price would make it out of reach for most consumers. We will see when we get one in for testing.

NewEgg Price Comparison (6/15/2014)
  240/256GB 480/512GB 960GB/1TB
SanDisk Extreme Pro $200 $370 $600
SanDisk Extreme II $172 $308 -
SanDisk Ultra Plus $143 - -
Crucial MX100 $108 $220 -
Crucial M550 $157 $305 $496
Plextor M6S $165 $400 -
ADATA Premier Pro SP920 $150 - -
Intel SSD 730 $219 $445 -
Intel SSD 530 $165 $330 -
OCZ Vector 150 $200 $360 -
Samsung SSD 840 EVO $150 $255 $450
Samsung SSD 840 Pro $199 $437 -

There is no way that the Extreme Pro can compete with Crucial MX100 and Samsung 840 EVO in price but it is a totally different animal with substantially higher performance. When the Extreme Pro is compared against other high-end SSD, namely Intel's SSD 730, OCZ's Vector 150 and Samsung's 840 Pro, the prices are quite competitive. NewEgg does not have any stock at the time of writing, but I would not be surprised to see the prices falling a bit once the drive becomes available later this month. 

All in all, the Extreme Pro is the only no compromise high-end SSD in the market (aside from the Extreme II, of course). Its performance is unmatched by any other SATA 6Gbps drive and it is the only truly high performance SSD with proper power management, making it perfect for mobile use as well. It's also the first high-end SSD in 1TB-class capacity, so there is no longer a need to choose between performance and capacity. As long as you can live without hardware encryption support, I am comfortable with saying that the Extreme Pro is currently the best SATA 6Gbps SSD in the market for users who seek the highest performance with consistency.

SanDisk is turning out to be a very dangerous player in the client SSD space. With nearly perfect vertical integration model (they just lack client controller silicon and DRAM), SanDisk has the ability to put against Samsung and Intel who have traditionally held the performance crown. Before the Extreme II, SanDisk was fairly unnoticeable in the retail SSD market, but the Extreme II acted as a warning of SanDisk's skill and knowhow, and the Extreme Pro just further reinforces that. If SanDisk can keep their pace going with PCIe SSDs, others will have hard time keeping up with them.

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  • binarycrusader - Tuesday, June 17, 2014 - link

    Thanks, that explanation makes the comparison seems a lot more reasonable.

    By the way, NewEgg is selling the 480GB model for $379.99 today, which makes the Intel one slightly more appealing.
  • binarycrusader - Tuesday, June 17, 2014 - link

    There's still a DRAM cache though, so I'd like to see a torture test on SanDisk's drive before I could be confident. But I'm aware that's potentially bricking the drive so I can understand why you might not be able to do that.

    I agree that what SanDisk has done seems like it would help mitigate the need for a capacitor, but I just can't be confident about it until some tests are done.
  • brucek2 - Monday, June 16, 2014 - link

    Can anyone recommend a simple Windows utility for profiling your storage usage? I'm picturing something that runs in the background with an icon in the system tray I could mouseover to get a quick take on average daily data written, QD histogram, maybe read/write and/or size mix. It'd be great to be able to take a look at it when I'm reading articles like this to figure out which stats matter most to me.
  • matthew5025 - Tuesday, June 17, 2014 - link

    I recommend diskmon
    http://technet.microsoft.com/en-sg/sysinternals/bb...
  • Essence_of_War - Monday, June 16, 2014 - link

    Wherein SanDisk, not content with already having the top data rate and service time in the Destroyer benchmark, takes the title back from themselves.

    I'm very impressed with their commitment to product quality.
  • Antronman - Monday, June 16, 2014 - link

    At 200USD for 240GB, I'm just not sold.

    2x HyperX 3K 120GB in your choice of RAID configuration and you've got it, for 40-50USD cheaper.
  • jameskatt - Tuesday, June 17, 2014 - link

    Encryption is always going to slow down your drive. After all, it takes a lot of brute computation to do encryption.

    The biggest problem of hardware encryption is that you don't have the freedom to select your own encryption algorithm. For example, if the hardware encryption method is compromised then you are screwed if you rely on it.

    I would rather keep whole disk encryption at the OS level.
  • TheWrongChristian - Wednesday, June 18, 2014 - link

    Encryption in hardware is easy (at least easier than software) and probably adds very little in terms of latency and power budget. AES is just multiple rounds of XOR, ROM lookups and bit mixing. Quite easy to do in hardware quickly.

    AES-128 (the minimum AES level) is a long way from being considered broken.
  • SirKronan - Tuesday, June 17, 2014 - link

    Thanks for the review!! I am still going strong with my Extreme II and have yet to have any issues with it. Windows is still running fantastic, since the very first install on this drive. My dad's Extreme II is also running strong. I felt like I was taking a bit of a risk with an unknown when I got a somewhat less popular drive, but the current sale price back then was unbeatable, and to this day I have no regrets. Nice to see they are still coming to town and packing a punch!
  • uruturu - Tuesday, June 17, 2014 - link

    Why don't you test the drives in storage bench 2011-2013 with 25% OP???

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