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Drives: Intel X25-E 64 GB SSD

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2:00 AM - 07/30/2009 by Patrick Schmid and Achim Roos

We reviewed Intel’s professional-series SSD, the X25-E, in February 2009, and the conclusion was clear: this product cannot outperform other performance drives when it comes to read throughput, but it delivers higher write throughput than other products, and it is capable of delivering massive I/O performance numbers. The X25-E delivers between 10x and 25x the performance of a single 15,000 RPM enterprise hard drive, while boasting state-of-the-art throughput. The recipe for success lies in Intel’s ten-channel flash controller with integrated cache memory to optimize wear leveling as well as write performance. Intel’s latest firmware updates, which have been available for download on the Intel Web site, do not yet include the professional X25-E drives.

The 64 GB version, featuring 50 nm SLC NAND flash memory, is still Intel’s top model. Next-generation devices will switch to an advanced 34 nm process soon (watch for a review any day!). This will double capacities to 128 GB in the enterprise segment and 320 GB in X25-M consumer drives. There’s still some headroom for additional performance increases, but the SATA/300 interface may soon become the next bottleneck. Luckily, SATA/600 is fully specified and ready to go.

We wanted to get as many X25-E drives as possible, but we expected to reach more than 2 GB/s bandwidth with far fewer than 24 drives, which the Samsung project used. After having received Intel’s 16 SSDs, we tried several configurations to optimize for maximum throughput and I/O performance.

Talkback
xyz001 07/30/2009 8:11 AM
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-4+

how fast does it boot windows?

IronRyan21 07/30/2009 8:15 AM
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-6+

can toms give this away like the SBM! I have no idea why I would need this tho. :)

lutel 07/30/2009 8:20 AM
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-12+

how fast does it open solitaire ?

afrobacon 07/30/2009 8:24 AM
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chise1 07/30/2009 8:25 AM
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-13+

can we have some benchmarks that aren't just I/O performance? How about boot times and/or program load times?

dirtmountain 07/30/2009 8:36 AM
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-4+

You should always include a retail price tag for these articles. If it's in there someplace i missed it.

apache_lives 07/30/2009 8:58 AM
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-3+

Any non windows based benchmarks incase there is any sort of limit of throughput etc?

Windows does some funky things to hdd transfers - buffering things through ram and all sorts to find extra performance - wouldnt supprise me if that 2gb/s limit had something to do with software accessing the ram through the layers and windows subsystem etc

falchard 07/30/2009 8:59 AM
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apache_lives 07/30/2009 8:59 AM
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-1+

xyz001 :
how fast does it boot windows?



half of the start up time on the windows side (aka not including bios time) is the PNP initialization and network loading/waiting etc - check the hdd read light on high end systems

apache_lives 07/30/2009 9:00 AM
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-1+

falchard :
I am pretty sure the new Intel SSDs still don't have a good write speed compared to the Indolex controlled SSDs.



Every other spec Intel owns hands down like random writes etc which makes them the far better drive

cangelini 07/30/2009 9:25 AM
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-5+

dirtmountain :
You should always include a retail price tag for these articles. If it's in there someplace i missed it.



Dirt,
You're looking at close to $14k worth of drives/controllers :)

amnotanoobie 07/30/2009 9:31 AM
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-3+

Too bad my money tree couldn't buy me even one X25-E.

And yeah where are the application load times?

Ramar 07/30/2009 9:57 AM
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-0+

When/if I ever have enough people paying me for space on my server, I know what to do.

We've come a long way from "Loading..." screens in Half Life 2 every five minutes or less.

dean heart 07/30/2009 10:01 AM
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-5+

Gonna say it as well: Please benchmark application loadtimes; photoshop with different filesizes and ofcourse level loadtimes in Crysis :)

chyll2 07/30/2009 10:32 AM
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-4+

I wish they also have real-world results/benches. Im not that familiar with synthetic benchmarks.

al2950 07/30/2009 10:35 AM
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You will not be able to get faster speeds than that using 2 8x PCI-E. Even though the theoretical bandwidth is 2GB/s I have only even been able to get around 1.15GB/s, whwich is pretty close to what you are seeing. I would be interested to see what happens if you use 3 Raid controllers :), although i cant remeber how many total physical lanes are available on the X58 chipset

profundido 07/30/2009 10:36 AM
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ossie 07/30/2009 10:38 AM
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mitch074 07/30/2009 10:53 AM
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--2+

I wonder what performance Linux's ext4 file system would get out of that array... Since, after all, Windows (any version) is sorely lagging behind *NIX systems on I/O throughput.

tacoslave 07/30/2009 10:55 AM
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-3+

from what ive seen those are perfectly valid questions because we ARE reading because were curious. By the way most comments on toms arent retarded (flaming,fanboys = retard post.)Anyways I think most of us were thinking the same thing since most of us won't ever buy something like that. windows boot time = around 2 min for my pc
ultimate array = ?


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