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06-28-2010, 10:34 PM   #1
 
: Jun 2010
: 40
ssd















, .



:-

1 - ( NAND Flash (Non-Volatile Memory
2 (DRAM ( Volatile Memory


,,


.


..
.

,,





Laptop

PC ,,






NAND Flash : -

1 ( Single - Level Cell ( SLC
2 ( Multi - Level Cell ( MLC


MLC SLC
,,

bit 2
SLC bit 1



SLC (left) vs. MLC (right) flash




:-


1 - Cash Memory

2 - Flash Memory Controller

3 -
Error- Correcting Code (ECC)

4 - RAM Controller

5 - Processor

6 - Energy storage





, SSD :-





SSD :-


1 - ,

2 - ,


3 - ,


4 - ,


5 - ,,

70
55


6 - NAND Flash

7

8



SSD :-

1 -


2 - ...
SSD 250

( )


3 -


4 - ,, DRAM .



, ,
SSD


,
SSD ..

Sequential Read/Write Speed - 1










Random Read/Write Speed - 2








Power Consumption - 3








Overall System Performance - 4








...





WD VelociRaptor

,, !!
RPM 10000



,,





SSD : -

1 - Corsair

2 - OCZ

3 - Transcend

4 - Intel

5 - Crucial M225



,, ...

Corsair Extreme - 1

MLC - 265 GB - SATA
MLC - 120 GB - SATA


OCZ Vertex - 2

MLC - 265 GB - SATA
MLC - 120 GB - SATA
MLC - 60 GB - SATA
MLC - 30 GB - SATA

Crucial M225 - 3

MLC - 265 GB - SATA


Transcend - 4

MLC - 30 GB - SATA

Intel - 5

MLC - 160 GB - SATA
MLC - 80 GB - SATA
SLC - 64 GB - SATA
SLC - 32 GB - SATA
MLC - 16 GB - SATA



... : -

,, SSD
512


( )


...

43 NADA

SSD

64 128 256 512 ʡ
1.8 2.5 .

..

http://news.cnet.com/8301-17938_105-10241140-1.html?tag=mncol





OCZ

TB 1

...

18500 .. !!! !!!


...

http://www.amazon.com/dp/B00284ABEQ/ref=asc_df_B00284ABEQ914818?smid=ATVPDKIKX0DER&tag =slickdeals&linkCode=asn&creative=380341&creativeA SIN=B00284ABEQ



.. ...

SUPER TALENT


..

http://www.tomshardware.com/news/Super-Talent-SSD-PCIe-RAIDDrive,8677.html




!!







,
,





      
 

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