Synology proprietary RAM D4ES03-4G arrival? Is it real?

[Yuma]

Hi,

I'm new here and if I am doing anything wrong I will apologize in advance.

I've been looking for proprietary RAM for my Synology DS923+ in the 2nd hand market (in Japan) and I found something that looked to be good but I wasn't sure.

The D4ES03-4G
(in attachment photo because I couldn't post a link)
   

The seller claims that he/she got this out of the DS923+ that he/she bought.
This must be the successor to D4ES02-4G but I can't seem to see any info on Synology or google.

I was wondering does everyone think this is real? Should I go for it and mix and mach it with my DS923+ that has a D4ES02-4G installed?

Hoping to here anyone's  thoughts.

Thank you,

[ed]

Yes, model number do not much with Synology list. But it should work.

Here are the official RAM modules:

D4ES02-8G
DDR4 ECC Unbuffered SODIMM
EAN: 4711174724390
Capacity: 8GB
Warranty: 5 Years


D4ES01-16G
DDR4 ECC Unbuffered SODIMM
EAN: 4711174724406
Capacity: 16GB
Warranty: 5 Years

D4ES02-4G
DDR4 ECC Unbuffered SODIMM
EAN: 4711174724383
Capacity: 4GB
Warranty: 5 Years

[Yuma]

Hi ed,

Thank you very much for your advice.

The seller lowered the price to 3,980JPY (≒28.07USD≒21.83GBP) so went for it.
It is not on the compatibility list but I will bet on it being added to the compatibility list and I believe that synology must have tested a mix configuration of D4ES03-4G and D4ES02-4G if they are using it for newly manufactured DS923+.


I think I will share my test results with every one here after I get my hands on it.

Thank you again for your advice.

[Yuma]

Hi

I've got the D4ES03-4G!

   
   

It looks pretty alike D4ES02-4G.

DSM on DS923+ is recognizing it OK. No Warning's in DSM 7.2-64570 Update 1.
   

RAM test passed.
"
sudo cat /var/log/messages | grep 'Memtest'

2023-07-24T17:41:14+09:00 (hostname) findhostd[13652]: util_fhost.c:1195 Memtest passed!
2023-07-24T17:41:14+09:00 (hostname) findhostd[13668]: util_fhost.c:1195 Memtest passed!
2023-07-24T17:41:14+09:00 (hostname) findhostd[13677]: util_fhost.c:1195 Memtest passed!
2023-07-24T17:41:16+09:00 (hostname) findhostd[13900]: util_fhost.c:1195 Memtest passed!
"

I want to thank ed and every one else that took a look at the thread again.

[ed]

Thank you for sharing!