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March 29th, 2023 13:00

Dell Vostro 3668 RAM Upgrade

Vostro 3668

Vostro 3668

Hey, I'm trying to upgrade my Vostro 3668's RAM to 16GB right now it has a 4 GB Hynix one in it. I bought a Crucial Basics Single Channel 16GB DDR4-2666MHz RAM to replace it, but the computer doesn't work well with it. It keeps shutting down randomly and repeats this. When I plug the old 4GB RAM in, the devşce works without any problems. I bought the Crucial Stick because on this forum it was recommended to use a Crucial Stick. I will be more than happy if you guys can help me.

Thanks.

7 Technologist

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11.9K Posts

March 29th, 2023 15:00

OK,  this is going to be a bit confusing. Dell specs state that 64GB is the maximum compatible RAM. BUT Crucial, Timetec, Memory Stock, and Kingston all list 16GB (2 x 8GB) as the maximum compatible amount. So somewhere along the line the specs from Dell or all the other manufacturers (who all agree) is wrong.

Possibly a moderator or @redxps630 can jump in here if they have additional information.

7 Technologist

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10.1K Posts

March 29th, 2023 15:00

Dell oem ram for 3668

Memory RAM module (DIMM), 2GB, 2400, 512X16, 4, DDR4, NU

DIMM, 4GB, 2X2G, 2400, DDR4, NU
Memory Dell GTWW1 RAM module (DIMM), 4GB, 2400, 1RX16, 8G, DDR4, NU

8GB 2x4GB DDR4 2400MHz Memory
Memory Dell M0VW4 RAM module (DIMM), 8GB, 2400, 1RX8, 8G, DDR4, NU

8GB (1X8GB) DDR4, 2400MHz; upto 32GB (additionalmemorysold separately)

 

M0VW4 8GB,DDR4,2400MHz,1RX8 =
Hynix HMA81GU6AFR8N-UH, HMA81GU6CJR8N-UH
Kingston KM0VW4-MIB, KM0VW4-MID, KM0VW4-MIE, KM0VW4-MIH
Micron MTA8ATF1G64AZ-2G3B1, MTA8ATF1G64AZ-2G3E1
Samsung M378A1K43BB2-CRC, M378A1K43CB2-CRC

you can buy two of above Dell oem ram (not directly from Dell, from third party using memory maker model number) to reach 16 GB.  this has the advantage of dual channel too compared to single 1x16 GB.

3668 users validated 2x8GB = 16 GB.  

example: two of Hynix HMA81GU6AFR8N-UH 16GB (top Dell oem ram)

or combination of two 8 GB of different model (many are Dell oem ram)

Hynix HMA81GU6AFR8N-UH HMA81GU6MFR8N-UH 16GB
Hynix HMA81GU6AFR8N-UH Kingston KHX2133C14/8G 16GB
Hynix HMA81GU6AFR8N-UH Kingston 9905678-105.A00G 16GB
Hynix HMA81GU6AFR8N-UH Samsung M378A1K43BB2-CRC 16GB
Micron 8ATF1G64AZ-2G3H1 Micron 8ATF1G64AZ-2G3A1 16GB
Samsung M378A1K43BB2-CRC Kingston 9905702-017.A00G 16GB
Samsung M378A1K43CB2-CRC Micron 8ATF1G64AZ-2G3H1 16GB

April 3rd, 2023 09:00

Hello, on a previous post I made about purchasing the RAM here: https://www.dell.com/community/Vostro-Desktops/Dell-Vostro-3668-RAM-Upgrade/m-p/8352027#M5745

You told me that I need to use a Crucial stick and now you are saying I need to go with Dell OEM RAM. Is this a joke or something? Now, I spent 1000 liras on something that doesn't even work on my computer. If you were not sure about the correction of the information, you could have called @redxps630 on the previous post, because that is how you maintain a community, you help people with the best information you can give to them. People like me are not familiar with these Dell Desktop Computers and need help from experts like you guys. Honestly, I just went ahead and believed you thinking you were correct, and now I'm completely disappointed. Thanks a lot for your help!

7 Technologist

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10.1K Posts

April 3rd, 2023 09:00

you have a Dell 4 GB oem from Hynix.  It is probably Dell GTWW1 which is offered on this model. 

Memory Dell GTWW1 RAM module (DIMM), 4GB, 2400, 1RX16, 8G, DDR4, NU

8GB 2x4GB DDR4 2400MHz Memory

here is a list of memory maker model for this oem ram.Dell GTWW1Dell GTWW1

It seems you intend to pair a Hynix 8 GB with this Dell oem Hynix 4 GB to reach a total of 12 GB.

the following are some of the popular user validated 12GB ram config in 3668

#1 and # 4 are two hynix: HMA81GU6AFR8N-UH (8GB) + HMA851U6AFR6N-UH or HMA851U6CJR6N-UH (4GB) 12GB.  so if we could verify that your current oem 4 GB is GTWW1 Hynix, which would be either HMA851U6AFR6N or HMA851U6CJR6N, then you can add another Hynix 8GB HMA81GU6AFR8N-UH.  this combination is validated in 3668.

HMA81GU6AFR8N-UH HMA851U6AFR6N-UH 12GB (2 Hynix)
HMA81GU6AFR8N-UH Samsung M378A5244CB0-CRC 12GB
HMA81GU6AFR8N-UH Samsung M378A5244BB0-CRC 12GB
HMA81GU6AFR8N-UH HMA851U6CJR6N-UH 12GB (2 Hynix)
KM0VW4-MID Hynix HMA851U6AFR6N-UH 12GB
M378A1K43BB2-CRC Hynix HMA851U6AFR6N-UH 12GB
HMA81GU6AFR8N-UH Micron 4ATF51264AZ-2G3E1 12GB
M378A1K43CB2-CRC M378A5244CB0-CRC 12GB
HMA81GU6AFR8N-UH Micron 4ATF51264AZ-2G3B1 12GB
M378A1K43CB2-CRC Hynix HMA851U6AFR6N-UH 12GB
8ATF1G64AZ-2G3B1 4ATF51264AZ-2G3B1 12GB

April 3rd, 2023 09:00

can I go ahead and buy a Hynix 8 GB RAM that you listed here and combine that with the RAM that originally came with my machine (a 4 GB Hynix) and use it that way?

April 3rd, 2023 11:00

thank you once again, I just have one more little question, Is it possible to use the Crucial Stick in anyway somehow? Maybe thru BIOS or anything else?

7 Technologist

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10.1K Posts

April 3rd, 2023 13:00

not sure.  there are a small number of 1x16 GB or 2x16 GB validated in 3668.

Micron 16ATF2G64AZ-3G2E1 1x16GB
1 of 2 slots used
16GB DIMM DDR4 3200 MHz clocked @ 2400 MHz
 
Corsair Vengeance LPX DDR4 2400 C16 2x16GB
2 of 2 slots used
32GB DIMM DDR4 clocked @ 2400 MHz
 
Kingston 99P5723-031.A00G 2x16GB
2 of 2 slots used
32GB DIMM DDR4 2667 MHz clocked @ 2400 MHz

8GB + 16GB
Hynix HMA81GU6AFR8N-UH
Kingston 99U5734-035.A00G
2400, 2400 MHz
8192, 16384 MB
 
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