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Written by Olin Coles   
Sunday, 04 July 2010
Table of Contents: Page Index
G.Skill Phoenix Pro SandForce SSD
Features and Specifications
Closer Look: G.Skill Phoenix Pro
SandForce SF-1200 SSD Controller
SSD Testing Methodology
AS-SSD Benchmark
ATTO Disk Benchmark
CrystalDiskMark 3.0 Tests
Iometer IOPS Performance
EVEREST Disk Benchmark
HDD vs Hybrid Drive vs SSD
G.Skill Phoenix Pro Conclusion

SandForce SF-1200 SSD Controller

The SandForce SF-1200 SATA-3GBps controller is new to the industry, but many manufacturers are already hailing it as the replacement for Indilinx's industry-leading Barefoot processor. Both are second-generation SATA products limited to 3.0 GB/s transfer speeds, and both offer similar specifications. SandForce adds DuraClass technology to their SF-1200 processor, which claims to provide best-in-class endurance, performance, and lower power consumption. DuraWrite technology extends the endurance of MLC-NAND memory by providing at least five year lifecycles measured with 3000-5000 cycle MLC flash. Additionally, SandForce RAISE technology provides RAID-like protection for single SSD computer systems, and data is secured with AES-128 automatic encryption.

SandForce has hit the 2010 SSD industry with full force, much the same way that Indilinx did back in 2009. Finished-goods companies can utilize the SandForce SF1200 processor in their own product line, which then receives a "SandForce Driven" badge. The SandForce SF-1222 processor is presently available in the ADATA S599, Corsair Force, RunCore Pro-V, Patriot Inferno, OWC Mercury Extreme Pro-RE, G.Skill Phoenix Pro, OCZ Vertex-2, PhotoFast G-Monster 2, OCZ Agility-2, and Mach Xtreme SSD series.

SandForce_SF-1200_SSD_Processor_Top.jpg

From the view above the printed circuit board (PCB), it doesn't look like there's anything dramatically innovative on the SandForce Solid State Drive. Eight flash NAND modules make a horseshoe around the SandForce SF-1200 SSD processor, and plenty of electronics fill in the remaining space atop the printed circuit board. But once the SandForce SSD board is turned to expose the underside, the difference is obvious: SandForce has used their DuraClass technology to remove the DRAM buffer.

SandForce_SF-1200_SSD_Processor_Bottom.jpg

The 2nd-generation SATA-3.0GBps SandForce SF-1222TA3-SBH processor is part of their SF-1200 family of SSD controller chips, and SSDs will utilize either the SF-1200 processor for retail consumers or SF-1500 for enterprise devices. All SandForce SSD controllers offer native TRIM support in Microsoft Windows-7, Native Command Queuing (NCQ) with 32 command slots, and Self-Monitoring, Analysis, and Reporting Technology (SMART) command set. While not directly important to transfer speeds or operational performance, SandForce utilizes a Tensilica Diamond Core DC_570T CPU inside the SF-1200 processor.

SandForce_SF-1222TA3-SBH_Processor.jpg

Another benefit of SandForce's SF-1200 architecture is that the SSD keeps all information on the NAND grid and removes the need for a separate cache buffer DRAM module. The result is a faster transaction, albeit at the expense of total storage capacity. SandForce SSDs utilize over-provisioning technology, which allocates a portion of NAND for data storage and the remainder reserved for transaction and cache buffer space. SandForce has also marketing custom firmware to the finished-goods companies that sell their SSDs, which remove performance restrictions.

The SF-1200 SSD processor provides ECC data protection and includes SandForce's unique RAISE (Redundant Array of Independent Silicon Elements) technology. RAISE provides the protection and reliability of RAID on a single SSD drive, thanks to flash architecture, without the significant write overhead of parity. The SandForce DuraClass technology automatically stores data in AES-128 encrypted format, preventing data extraction directly from the physical flash memory modules.

Micron-Intel_DRAM_29F64G08CAMDB.jpg

Sixteen multi-layer cell Intel 29F64G08CAMDB flash NAND modules are joined to the SandForce SF-1200 controller On professional-level 28% over-provisioned SandForce SSDs, these NAND modules may combine for 128GB of physical storage space yet only 100GB of this capacity is designated for data Consumer-level SandForce SSDs receive 7% over-provisioning and 128GB devices will yield 120GB of usable storage space.

Because the SandForce SF-1200 SSD processor inside the many SSDs is a non-exclusive component available market-wide, Benchmark Reviews expects to see many new solid state storage products using this controller in the near future. Please continue on for details and performance results for this Solid State Drive...



 

Comments 

 
# RE: G.Skill Phoenix Pro SandForce SSDtuleggi 2010-07-06 23:17
Hello, I have noticed that in the "Iometer IOPS Performance" you already have the performance of the Vertex 2 in the graphics, I guess this is a preview? ;-)

Also if it is not asking too much could you also test in parallel the Vertex LE (Limited Edition)?
This because there are many confusion around the web and although they seems to perform similar (Vertex 2 and Vertex LE), it would be nice for the customer to understand which one of these two is the fastest!
I trust Benchmarkreviews!!
thanks!
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# RE: RE: G.Skill Phoenix Pro SandForce SSDOlin Coles 2010-07-07 05:46
The Vertex-2 review is coming in the next few days; I just happened to be making charts and already had the results for this test. The Vertex LE will not be tested at this time because we do not have a sample. I assure you though, nobody could ever tell the difference in performance without a synthetic benchmark.
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