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‎02-08-2017 05:41 AM

HP Recommended
Product: hp af 008 ax
Operating System: Microsoft Windows 10 (64-bit)

i want to buy a ram..my existing ram is  Hynix HMT451S6AFR8A-PB 4GB PC3-12800 11 - 13 -B4 1600 Mhz....but i odered  Hynix HMT451S6AFR8A-PB 4GB PC3-12800 11- 12- B4 1600 Mhz.......i donot undersand the diffarence between them...plz help me to figer out..thanks in advanse

1 ACCEPTED SOLUTION

Accepted Solutions

‎02-08-2017 10:11 AM

HP Recommended

The rule of thumb is to use matching memory to avoid problems.  The CL 11 - 13 means it is capable of switching speeds to match the PC speed requirements.  With the "Hynix HMT451S6AFR8A-PB 4GB PC3-12800 11 - 13 -B4 1600 Mhz" vs the "Hynix HMT451S6AFR8A-PB 4GB PC3-12800 11- 12- B4 1600 Mhz" I will point out the difference between the CL speeds.  In theory, the PC should be able to match those because the stick with the wide CL 11-13 overlaps the other one CL 11 -12, but you will find out when they are both in the PC.


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4 REPLIES 4

‎02-08-2017 10:11 AM

HP Recommended

The rule of thumb is to use matching memory to avoid problems.  The CL 11 - 13 means it is capable of switching speeds to match the PC speed requirements.  With the "Hynix HMT451S6AFR8A-PB 4GB PC3-12800 11 - 13 -B4 1600 Mhz" vs the "Hynix HMT451S6AFR8A-PB 4GB PC3-12800 11- 12- B4 1600 Mhz" I will point out the difference between the CL speeds.  In theory, the PC should be able to match those because the stick with the wide CL 11-13 overlaps the other one CL 11 -12, but you will find out when they are both in the PC.


I'm not an HP employee.
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‎02-08-2017 10:45 AM

HP Recommended

when my instaled memory is a little bit diffarent from each other......should i go for odered memory??is it suitable for my laptop....thanks again in advance...

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‎02-08-2017 12:51 PM

HP Recommended

If you already have it ordered it, I would go ahead and try it.  Otherwise order a match pair then replace what is in there with the matched pair.


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‎02-08-2017 10:16 PM

HP Recommended

thank you sir....

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