CORSAIR Force GS 240GB Single Drive and Raid0 SSD Review

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CORSAIR Force GS 240GB Single Drive and Raid0 SSD Review

Postby windwithme » Thu Jan 24, 2013 8:10 am

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Solid-State Drive does improve C performance in past 4 years.
No matter DeskTop PC or Notebook both shorten the system processing time.
It?s why SSD still so popular after launching many years. However, the high price also impact the popularity.

Every year, SSD price is almost 50% off. The price segment is based on 100 or 200USD.
As history price record, 2 years ago, 200USD only could have 60GB, last year was 120GB and this year is 240GB.
This year, you can find many 120GB SSD below 100USD. This price point is acceptable.

3 years ago, CORSAIR, from USA, started their SSD product line which was pioneer in this field.
Controller also moved from SAMSUNG to SandForce or Marvell.
Different controller focus on different performance and price segment.

This GS SSD is Force Series. It had Force 3 and GT, 2 versions.
Force Series uses SandForce controller with different NAND Flash ICs.
Let?s look at packing first. Gold is a representative color of GS.
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Contents
Left side is product warranty card, middle is Force GS 240GB and right side is back 2.5? to 3.5? rack and screws.
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Product size is 2.5?. The capacity is 240GB.?Official max speed is 555/525 MB/s at ATTO Disk Benchmark.
Random 4K max write is 90k IOPS. It?s very high specs of 4K performance in current SSD market.
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Metal shell with red coating and tactile impression is grain texture.
CORSAIR offers 3 years warranty. The family has 128/180/240/360/480GB.
Capacity provides rich choices. Users can choose the suitable one by budget or demand.
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Back is black metal with matte hair line. It improves the product texture.
Lower left is SATA3 and power connectors. Next is silver laser sticker.
As warranty and internal hardware safety, we better to keep it in original state.
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Force Series GS uses popular SandForce SF-2281 controller.
NAND Flash uses 16 SanDisk Mark 24nm ICs, 16GB each.
If you are interested in Force GS internal build, you can search in Google.

The test platform is Intel Z77 chipset, GIGABYTE G1.SNIPER M3.
It?s mid-end gaming series using Micro ATX. It emphasizes audio and LAN chips.
It equips Creative latest CA0132, quad-core audio processor. It supports THX, CRYSTAL VOICE, and etc.
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It has 3 PCI-E X16, 1 PCI-E X1. The expandability is very good as Micro ATX form factor.
Also Intel chipset IO performance is better. The SATA3 should have better performance in SSD.
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System Configuration
CPU: Intel Core i5-3570K
MB: GIGABYTE G1.SNIPER M3
DRAM: CORSAIR DOMINATOR-GT 1866 8GBX2
VGA: Intel HD Graphics 4000
HD: SanDisk Extreme 240GB / WD 1TB 7200rpm
POWER: Thermaltake TR2 600W
Cooler: XIGMATEK HDT-S1283
OS: Windows8 Ultimate 64bit
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Single SanDisk Extreme 240GB install at white SATA3 port
None OS system drive without any data. Test at Intel Z77 platform.
HD Tune Pro 5.00
Black Size is the special part of this software. Left side default is 64K and right side is 1MB.
64K - Read - Average 408.7 MB/s Access Time 0.116ms
1MB - Read - Average 521.3 MB/s Access Time 0.117ms
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HD Tune Pro 5.00 set Black Size as 1MB almost reaching the best performance.
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Re: CORSAIR Force GS 240GB Single Drive and Raid0 SSD Review

Postby windwithme » Thu Jan 24, 2013 8:13 am

64K - Write - Average 336.7 MB/s Access Time 0.143ms
1MB - Write - Average 331.4 MB/s Access Time 0.108ms
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Read - Random Access & Extra tests
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Write - Random Access & Extra tests
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File Benchmark
Sequential 4KB randon Read - 66732 IOPS / Write - 91984 IOPS
ATTO DISK Benchmark over 512KB test, max read is 557.9 Mb/s and max write is 535.6 MB/s
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CrystalDiskMark
Seq Read - 524.1 MB/s Write - 288.7 MB/s
<All 0xFF, 0Fill> Read - 527.4 MB/s Write - 524.9 MB/s
<All 0x00, 1Fill> Read - 527.6 MB/s Write - 525.1 MB/s
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CrystalDiskMark default test is random. You can see right side performance is lower.
It?s characteristic of SandForce controller. It has lower performance in random algorithm.
Left pic is CrystalDiskMark sequential mode. The write performance is close to official specs.

AS SSD Benchmark - 811
Seq Read - 519.43 MB/s Write - 274.13 MB/s
4K - 64Thrd Read - 224.70 MB/s Write - 214.04 MB/s
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AS SSD Benchmark Seq Write is similar to CrystalDiskMark.
Compression Benchmark write starts from 280MB/s to over 480MB/s.
SandForce in Sequential Write uses special algorithm, this is key weakness of SandForce controller.
In sequential or random read, 4K performance and continuous write, SF-2281 controller is very good.

PCMark Vantage - HDD Score : 78671
CrystalMark Sequential Read 503.02 MB/s Sequential Write 500.48 MB/s
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IOMETER 2008
1 minute - 100% Read / 100% Random 4KB
Total I/Os per Second => 55773.68
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3 minutes - 100% Read / 100% Random 4KB
Total I/Os per Second => 56190.92
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1 minute - 100% Write / 100% Random 4KB
Total I/Os per Second => 91791.99
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Re: CORSAIR Force GS 240GB Single Drive and Raid0 SSD Review

Postby windwithme » Thu Jan 24, 2013 8:17 am

3 minutes - 100% Write / 100% Random 4KB
Total I/Os per Second => 91553.28
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The former review of SandForce SSD, the performance is lower after 3 minutes. It may be caused by firmware.
As GS using SandForce controller, IOMETER 2008 Random Read / Write 4KB test are very good.
1 minute and 3 minutes test difference is minor. You can treat it as acceptable deviation.

SSD Benchmark TOTAL => 5026.30
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This result is much higher than 3700 by Marvell 88SS9174-BKK2 controller SS.
You can see SandForce controller SSD still has his advantage in some software.

Second part is two 240GB GS runs at Raid 0 mode.
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Two CORSAIR Force GS 240GB both install at white SATA3 port.
None OS system drive without any data. Test at Intel Z77 platform.
HD Tune Pro 5.00
Black Size is the special part of this software. Left side default is 64K and right side is 8MB.
64K - Read - Average 1028.7 MB/s Access Time 0.123ms
8MB - Read - Average 1040.1 MB/s Access Time 0.122ms
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64K - Write - Average 325.8 MB/s Access Time 0.094ms
8MB - Write - Average 891.9 MB/s Access Time 0.153ms
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Read - Random Access & Extra tests
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Write - Random Access & Extra tests
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File Benchmark
Sequential 4KB randon Read - 84750 IOPS / Write - 169440 IOPS
ATTO DISK Benchmark over 128KB test, max read is 1118.4 Mb/s and max write is 1047.5 MB/s
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CrystalDiskMark
Seq Read - 1012 MB/s Write - 529.9 MB/s
<All 0xFF, 0Fill> Read - 1064 MB/s Write - 993.1 MB/s
<All 0x00, 1Fill> Read - 1063 MB/s Write - 875.5 MB/s
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HD Tune Pro 5.00 most items are almost double speed. CrystalDiskMark scores are also the same.
ATTO DISK Benchmark is a good software to test SSD best read/write performance with short time.
The max score is almost double as well. You can see the Raid 0 mode really improves the performance.

AS SSD Benchmark - 1423
Seq Read - 1031.05 MB/s Write - 517.00 MB/s
4K - 64Thrd Read - 456.30 MB/s Write - 407.31 MB/s
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In Raid 0 mode, AS SSD Benchmark score increases about 75%.
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Re: CORSAIR Force GS 240GB Single Drive and Raid0 SSD Review

Postby windwithme » Thu Jan 24, 2013 8:21 am

PCMark Vantage - HDD Score : 77278
CrystalMark Sequential Read 1045.61 MB/s Sequential Write 940.61 MB/s
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PCMark Vantage HDD Score is same as single drive. I think it?s software issue.
CrystalMark still has almost double speed.

IOMETER 2008
1 minute - 100% Read / 100% Random 4KB
Total I/Os per Second => 75398.85
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3 minutes - 100% Read / 100% Random 4KB
Total I/Os per Second => 68926.28
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IOMETER 2008 Random Read 4KB increases 24~35%.
1 minute to 3 minutes later, the performance drops 9%.

1 minute - 100% Write / 100% Random 4KB
Total I/Os per Second => 112569.77
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3 minutes - 100% Write / 100% Random 4KB
Total I/Os per Second => 112823.49
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IOMETER 2008 Random Write 4KB increases about 23%.

SSD Benchmark TOTAL => 7455.18
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This software also increases 48%.

Windwithme mentioned several times when sharing SSD Raid 0 test.
That moment, Intel Rapid Storage Technology didn?t support Raid 0 Trim mode. So the speed would drop after using for long time.
Few months ago, Storage Technology Drive 11.5 released and official support Raid 0 Trim.
This is really a good news for Raid 0 mode users.
It also pushes SSD further performance and applications to wider range.

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SandForce SF-2281 controller has been launched over 18 months.
From high end SATA3 SSD position to current 80% market share, the price is close to entry SATA3 SSD.
As different service terms and warranty, the price is different.
Popularity and price is SandForce strength. The weakness is random write beginning is risng from 200 more MB/s to 500 MB/s slowly.

This time, CORSAIR Force GS uses different NAND Flash ICs. Some performance is improved a little.
As Max Random 4k Write (IOMeter 08) over 90k IOPS (4k aligned) is the major improvement.
This article shares you the different performance of SandForce SF-2281 controller with different NAND Flash.
Also, Intel Rapid Storage Technology Drive high performance in Raid 0 mode.
You can use it as your reference for further SSD purchasing. :)

This article is also in my blog - WIND3C, Any comments are welcome.
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Re: CORSAIR Force GS 240GB Single Drive and Raid0 SSD Review

Postby Hammer_Time » Thu Jan 24, 2013 6:25 pm

Windwithme mentioned several times when sharing SSD Raid 0 test.
That moment, Intel Rapid Storage Technology didn't support Raid 0 Trim mode. So the speed would drop after using for long time.
Few months ago, Storage Technology Drive 11.5 released and official support Raid 0 Trim.
This is really a good news for Raid 0 mode users.

It also pushes SSD further performance and applications to wider range.


YES!! Finally Intel Storage Technology Driver 11.5 released that FINALLY officially supports TRIM in RAID 0 mode!!! Nice... the results speak for themselves... thank you for this in-depth review WindWithMe, very informative!! 8) :D

http://uk.hardware.info/news/29470/inte ... -0-on-ssds

Intel has enabled TRIM support for SSDs in a RAID 0 setup. The long-anticipated functionality finally appears to be working as expected. TRIM prevents performance degradation of the solid-state drive, by erasing unused data blocks, thus preventing empty data blocks from running out. This allows the SSD to perform write operations to cells data has already been written to without any delays. This technology was hard to combine with RAID as the RAID-controller complicates direct communication with a solid-state drive. Intel has now solved this issue.

It's possible to use TRIM combined with RAID 0 if you have a 7-series chipset Intel motherboard and a RAID opton ROM, version 11.5 or up. The RAID option ROM has to be added to the motherboard's BIOS by Intel's partners. Updates to add this functionality have yet to be released. Users are also required to have at least version 11.5 of Intel's Rapid Storage Technology driver. Lastly, Microsoft's Windows 8 operating system is required, although Real World Labs has already shown that the feature should work in Windows 7 as well.


Sweet!! I realize that Intel did this way back in August last year, but it was not widely reported back then, I did not realize this news until reading about it here in this thread tbh... was expecting Intel to do this for a long time now...kudos!
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Re: CORSAIR Force GS 240GB Single Drive and Raid0 SSD Review

Postby Sauron_Daz » Fri Jan 25, 2013 1:17 am

If it really works in Win7 this is a winner!
We never think of us as being one of Them. We are always one of Us. It's Them that do the bad things.
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