DS918+ 16GB ram (2x8GB) confirmed

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jpvdtorre
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Re: DS918+ 16GB ram (2x8GB) confirmed

Postby jpvdtorre » Sun Apr 08, 2018 9:22 am

According to Crucial the ct102464bf186d is DDR3L memory. Also see: http://eu.crucial.com/eur/en/ct102464bf186d
And according to the Synology helpdesk it does not matter if different memory chips are used. I've asked them specific.
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Re: DS918+ 16GB ram (2x8GB) confirmed

Postby Kishlette » Sun Apr 08, 2018 9:36 am

Then I'm out of ideas!

It's odd, I looked at the website that I bought my Crucial DDR3L ones from and they list the CT102464BF186D as DDR3. Obviously that's trumped by the Crucial website, as you've noted....although looking under the specs on the page you listed above, it says DDR3. Odd - it has both DDR3L and DDR3 on the same page...

Hopefully someone else can offer some advice.
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Re: DS918+ 16GB ram (2x8GB) confirmed

Postby AtAM1 » Wed Apr 11, 2018 3:20 pm

tweakertje wrote:just recieved an other 16gb bank and now i can confirm that 32gb is possible
using:
Crucial DDR3 SODIMM 1x16GB 1600 C11


its even dual channel capable




admin@Diskstation:~$ sudo dmidecode -t memory
# dmidecode 2.12
# SMBIOS entry point at 0x78757000
SMBIOS 3.0 present.
# SMBIOS implementations newer than version 2.7 are not
# fully supported by this version of dmidecode.

Handle 0x0023, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 16 GB
Error Information Handle: No Error
Number Of Devices: 2



Wow, 32GB!! Has it been stable since you installed them as I am considering purchasing the same modules for the DS918+ that I just ordered? That or my next option would be the Kingston HyperX Impact 1866MHZ DDR3L 16GB KIT - HX318LS11IBK2/16 (8GB x 2)

I believe the only reason you were able to achieve a successful boot with this config is due to a drop in memory speed as I don't think the board can handle 32GB @ 1866MHZ speeds.

Either way, nice tweaking!!
jpvdtorre
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Re: DS918+ 16GB ram (2x8GB) confirmed

Postby jpvdtorre » Sun Apr 15, 2018 4:45 pm

Very strange. I have put the moemorybank in to the DS again.
And did an memerytest. No errors.
And now for almost 5 days the DS runs without errors.
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Re: DS918+ 16GB ram (2x8GB) confirmed

Postby rahim » Sun Apr 15, 2018 11:19 pm

tweakertje wrote:just recieved an other 16gb bank and now i can confirm that 32gb is possible
using:
Crucial DDR3 SODIMM 1x16GB 1600 C11


its even dual channel capable




admin@Diskstation:~$ sudo dmidecode -t memory
# dmidecode 2.12
# SMBIOS entry point at 0x78757000
SMBIOS 3.0 present.
# SMBIOS implementations newer than version 2.7 are not
# fully supported by this version of dmidecode.

Handle 0x0023, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 16 GB
Error Information Handle: No Error
Number Of Devices: 2

Handle 0x0024, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0023
Error Information Handle: No Error
Total Width: 8 bits
Data Width: 8 bits
Size: 16384 MB
Form Factor: SODIMM
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MHz
Manufacturer: 1315
Serial Number: 16421902
Asset Tag: 9876543210
Part Number: CT204864BF160B.C16
Rank: Unknown
Configured Clock Speed: 1600 MHz
Minimum voltage: Unknown
Maximum voltage: Unknown
Configured voltage: Unknown

Handle 0x0025, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0023
Error Information Handle: No Error
Total Width: 8 bits
Data Width: 8 bits
Size: 16384 MB
Form Factor: SODIMM
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 1
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MHz
Manufacturer: 1315
Serial Number: 16165711
Asset Tag: 9876543210
Part Number: CT204864BF160B.16F
Rank: Unknown
Configured Clock Speed: 1600 MHz
Minimum voltage: Unknown
Maximum voltage: Unknown
Configured voltage: Unknown



Can you confirm if the 16GB crucial memory stick has worked for you? and also which model did you buy. Looking to buy 16gig stick in the next few days.
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Re: DS918+ 16GB ram (2x8GB) confirmed

Postby jbvera » Wed Apr 18, 2018 1:06 pm

vDiesel wrote:In case anyone is wondering....

We installed 16GB (2 x 8GB) on a DS918+ and it's working fine.

Since DSM 6.2 will include VMM, we wanted to max the ram.

This is the Crucial memory we used.

Crucial 16GB (2 x 8GB) DDR3L 1.35v 1866 (PC3L 14900) Unbuffered Memory for Mac Model CT2K8G3S186DM
http://www.crucial.com/usa/en/ct2k8g3s186dm


Hi everyone, could you let me know if everything is fine after several months with the RAM installed? Did you find any problems?

Many thanks.
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Re: DS918+ 16GB ram (2x8GB) confirmed

Postby snowatom » Wed Apr 18, 2018 8:03 pm

No problems so far.

I did loose a disk,for some unknown reason, but after rescaning and rebuilding raid, it worked flawlessly again. Don’t think it has anything to do with the 16GB of RAM. Why I stand firm on no problems so far

/snowatom
Synology DS918+ (2x8GB Ram) - SHR (2x8TB + 2x4TB) WD RED - with 2x128GB SSD Cache RAID1
drjobs
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Re: DS918+ 16GB ram (2x8GB) confirmed

Postby drjobs » Thu Apr 19, 2018 1:46 pm

A little addendum to my failed VSEVEN 16GB stick. I was able to test a replacement, and that one succeeded actually in 2 complete tests, while failing another 7. I will not be using it, of course, but it might have performed nearly flawlessly under "ordinary use", a memtest is some kind of stress test. All kinds of speculation are possible and welcome as to why some memtests would succeed, so a warning to other users, one memtest is not enough, perhaps 3 is a good bet.

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