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Old 08-24-2009, 08:07 PM
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Default Memory Part Number Breakdown

Here's a quick breakdown of how to decipher the new memory part numbers.

Your memory kit uses this notation if they start with CM and then are preceded by a letter. If a number comes after it, then it's a single module using the old notation.

Ok, here's how to break it down using this actual part number as an example: CMD8GX3M4A1600C8. Note that CM simply means Corsair Memory, so we'll skip that part.

Code (1..2) #G X# M# (1..2)
#
C#
Part #
D
8G X3 M4
A
1600 C8

NOTE:
(1..2) means that one or 2 characters will appear here
# means that a number will appear here



Here's what each section of the part number means:

Code Meaning
(1..2) Module Type
#G Total Part Number Density
X# Memory Tech (DDR1 / DDR2 / DDR3 / DDR4)
M# Module Quantity (Number of Modules)
(1..2) Revision
# Speed (MHz)
C# CAS Latency


So, applying this to the example gets us:

Part # Meaning
D Dominator
8G Kit contains 8 GB of memory
X3 DDR3
M4 4 Modules in the kit
A Revision A
1600 1600 MHz
C8 CAS Latency 8

8 GB / 4 Modules = 2 GB per module

In the next post you'll find a more comprehensive breakdown of each section of a memory part number and what they mean.
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Last edited by Technobeard; Yesterday at 09:38 PM.
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Old 08-24-2009, 08:07 PM
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Default

Here's the meaning of each section in a bit more detail:

(1..2) Module Type
C XMS classic (old) heat spreader
X XMS classic (new) heat spreader
Z Vengeance series
L Vengeance Low Profile
D Dominator or Platinum
P D but with something added
G GT with Airflow II
GS GT single module
T G but with something added
R Retail
E Non-Registered ECC
S Registered ECC
SO SoDIMM
SX SoDIMM Vengeance
V Value Select (or equivalent)


#G Total Part Number Density
1G 1 GB
2G 2 GB
3G 3 GB
4G 4 GB
6G 6 GB
8G 8 GB
12G 12 GB
24G 24 GB


X# Memory Tech
X1 DDR1
X2 DDR2
X3 DDR3
X4 DDR4


M# # of Modules
M1 1 Module Kit
M2 2 Module Kit
M3 3 Module Kit
M4 4 Module Kit
M6 6 Module Kit


# Speed
800 800 MHz
1066 1066 MHz
1333 1333 MHz
1600 1600 MHz
1866 1866 MHz
2000 2000 MHz
2133 2133 MHz
2200 2200 MHz
2400 2400 MHz



C# CAS Latency
C1 CL1
C2 CL2
C3 CL3
C4 CL4
C5 CL5
C6 CL6
C7 CL7
C8 CL8
C9 CL9
C10 CL10
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Last edited by Technobeard; Yesterday at 09:36 PM.
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