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Written by Olin Coles   
Tuesday, 09 March 2010
Table of Contents: Page Index
WD SiliconEdge-Blue SSD SSC-D0256SC-2100
Features and Specifications
First Look: WD SiliconEdge-Blue
JMicron JMF612 SSD Controller
SSD Testing Methodology
ATTO Disk Benchmark
HD Tune Pro Benchmarks
Iometer IOPS Performance
EVEREST Disk Benchmark
CrystalDiskMark Tests
SSD vs Hard Disk Drive
WD SiliconEdge-Blue SSD Conclusion

WD SiliconEdge-Blue Features:

Support for advanced features including TRIM, NCQ, and S.M.A.R.T.

  • Standard ATA-8 command specifically for SSDs supported by Windows 7
  • Host uses TRIM to let SSD know which data blocks are no longer in use
  • SSD can free up unused blocks to use for data management and maintaining drive performance
  • Use of TRIM prevents slowdown of drive throughout its lifespan when it becomes full of data
  • WD SiliconEdge Blue supports TRIM without the need of an external utility

WD SiliconEdge Blue Certified in WD FIT Lab:

  • Over 130,000 hours of test time on this product
  • WD exclusive firmware ensures maximum compatibility and reliability
  • Tested on hundreds of netbooks, notebooks, PCs, and RAID systems for compatibility, reliability, and ease of integration
  • Tested on 32-bit and 64-bit Windows XP, Vista, Windows 7, and Linux operating systems

SSC-D0256SC-2100 Specifications:

Specifications WD SiliconEdge Blue
Model Number SSC-D0256SC-2100
Formatted Capacity 256 GB
User Sectors Per Drive 500,118,192
Form Factor 2.5-inch
Interface SATA 3Gb/s
Interface Connector SATA
Hot Swappable Yes
ROHS Compliant ROHS 6/6
Target Performance
Interface Burst Speed 3.0Gb/s
Maximum Read Transfer Rate Up to 250 MB/s
Maximum Write Transfer Rate Up to 170 MB/s
4KB Random Write IOPS Up to 5000 IOPS
Reliability / Data Integrity
MTBF (hours) 1,400,000
Error Rate < 1 in 10^15 bits read
Warranty 3 Years
Operational Lifespan - LifeEST
Read Unlimited
Service Life 5.0 Years
Maximum GB written per day 42.1
Power Management
DC input voltage 5V
Standby (Idle Watts) 0.6W
Read (peak Watts) 2.2W
Write (peak Watts) 3.5W
Operating Temperature 0°C to 70°C
Non-Operating Temperature -55°C to 125°C
Relative Humidity 8% to 95% non-condensing
Operating Shock 1000G, Half-sine, 0.5 ms Duration, 50g Pk, MIL-STD-810F,
Method 516.5, Procedure I
Vibration 16.3gRMS, MIL-STD-810F, Method 514.5, Procedure I, Category 24
Altitude 80,000 f.t, MIL-STD-810F, Method 500.4, Procedure II
Length (in./mm, max) 3.9/98.9
Width (in./mm, ± .01 in.) 2.75/69.86
Height (in./mm, max) 0.4/9.5



# WD SSC-D0256SC-2100Kruis 2010-03-13 03:06
Amazing! No MLC or SLC mentioned, neither by WD.
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# MLC - It's in the review.Olin Coles 2010-03-13 08:02
This SSD uses MLC technology... it's mentioned in the review on two different pages.
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# In the end, they all come to OCZ support forumJenya 2010-06-14 11:04
IMHO every brand owned by ssd pioneers is mentioned there and supported by OCZ team and fans.
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# Nice Review!Zsolt 2010-07-23 00:54
Nice Review!

I buy into a WD 128 SSD, in spite I don´t like the MLC memory technology that much. This is why I choose WD, because I assume it will be still reliable in 2015. For this I am ready to overlook some performance drops (-10-40% to top performers), because I don´t want to spend 1-2 days on reinstalling all my stuff.
I hope I can put the drive into my Dell Studio 17 without any additonal parts needed.
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# Good driveAndre 2010-11-10 02:35
I replaced my 7200 rpm hdd with one of these bad boys from WD in 128 GB capacity. The computer is much much faster, with peak transfer of 350 MB/s and common numbers over 120 MB/s. I plan on getting more when prices drop.
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