Info RS1221+ ECC RAM Upgrade

[Robbie]

I wasn't really planning on this upgrade but stumbled on a new 'Synology' branded ECC SODIMM for regular DDR4 money. I need more RAM than this but for now it does, at least, double my RAM and brings me into dual-channel mode. My search for a bigger and better memory configuration that escapes the new vendor waring in DSM will continue.

Usual dull and unremarkable Synology box:

Identical to the SODIMM that came with the RS1221+ but with an extra 'Warranty' sticker... serious stuff:

Not much to say about fitting a stick of RAM in acres of space, apart from Synology leaving microns between the RAM and the heatsink (why do I think @Rusty is laughing at the size of the CPU cooling):

"Call that a heatsink?"

Anyway, system booted-up and RAM checked:

Rob@Rivendell:/$ sudo dmidecode -t memory Password: # dmidecode 3.2 Getting SMBIOS data from sysfs. SMBIOS 3.1.1 present. Handle 0x001E, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: Multi-bit ECC Maximum Capacity: 64 GB Error Information Handle: 0x0021 Number Of Devices: 2 Handle 0x001F, DMI type 17, 40 bytes Memory Device Array Handle: 0x001E Error Information Handle: 0x0022 Total Width: 72 bits Data Width: 64 bits Size: 4096 MB Form Factor: SODIMM Set: None Locator: DIMM 0 Bank Locator: P0 CHANNEL A Type: DDR4 Type Detail: Synchronous Unbuffered (Unregistered) Speed: 2667 MT/s Manufacturer: 08F7 Serial Number: D7 Asset Tag: Not Specified Part Number: D4XS12081SH26A-C Rank: 1 Configured Memory Speed: 2400 MT/s Minimum Voltage: 1.2 V Maximum Voltage: 1.2 V Configured Voltage: 1.2 V Handle 0x0020, DMI type 17, 40 bytes Memory Device Array Handle: 0x001E Error Information Handle: 0x0023 Total Width: 72 bits Data Width: 64 bits Size: 4096 MB Form Factor: SODIMM Set: None Locator: DIMM 0 Bank Locator: P0 CHANNEL B Type: DDR4 Type Detail: Synchronous Unbuffered (Unregistered) Speed: 2667 MT/s Manufacturer: 08F7 Serial Number: 8C Asset Tag: Not Specified Part Number: D4XS12081SH26A-C Rank: 1 Configured Memory Speed: 2400 MT/s Minimum Voltage: 1.2 V Maximum Voltage: 1.2 V Configured Voltage: 1.2 V Rob@Rivendell:/$

Interesting that the max RAM is stated as 64GB.

Back to the GUI and everything looking ok and now rocking 8GB of RAM like it is 1999, again.

 

[bieci]

So no problem if I move DDR4-2400 modules from DS1819+ to RS1221+... in other words buying DDR4-2666 modules has no effects on performance...
right?

 

[Robbie]

The memory speed will be limited by the AMD CPU @ 2400MT/s, so the 2666MT/s on the Synology RAM sticks above does not add performance.

As to the RAM sticks you propose, I have no idea. What spec are they and are they ECC SODIMMs?

 

[bieci]

In my DS1819+ I have two Kingston KSM24SED8/16ME modules... now replaced by KSM26SED8/16HD as stated on Kingston website... So if the KSM26SED8/16HD modules are compatible with RS1221+, this applies to my KSM24SED8/16ME modules... is it right?

 

[bieci]

I have installed two Kingston KSM24SED8/16ME modules.
It's ok.

Viewing the system events, the system notifies me that the modules are not Synology genuine.

# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.1.1 present.

Handle 0x001E, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: Multi-bit ECC
Maximum Capacity: 64 GB
Error Information Handle: 0x0021
Number Of Devices: 2

Handle 0x001F, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x001E
Error Information Handle: 0x0022
Total Width: 72 bits
Data Width: 64 bits
Size: 16384 MB
Form Factor: SODIMM
Set: None
Locator: DIMM 0
Bank Locator: P0 CHANNEL A
Type: DDR4
Type Detail: Synchronous Unbuffered (Unregistered)
Speed: 2400 MT/s
Manufacturer: Kingston
Serial Number: 5030A7A7
Asset Tag: Not Specified
Part Number: 9965657-011.A00G
Rank: 2
Configured Memory Speed: 2400 MT/s
Minimum Voltage: 1.2 V
Maximum Voltage: 1.2 V
Configured Voltage: 1.2 V

Handle 0x0020, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x001E
Error Information Handle: 0x0023
Total Width: 72 bits
Data Width: 64 bits
Size: 16384 MB
Form Factor: SODIMM
Set: None
Locator: DIMM 0
Bank Locator: P0 CHANNEL B
Type: DDR4
Type Detail: Synchronous Unbuffered (Unregistered)
Speed: 2400 MT/s
Manufacturer: Kingston
Serial Number: 97A15415
Asset Tag: Not Specified
Part Number: 9965657-011.A00G
Rank: 2
Configured Memory Speed: 2400 MT/s
Minimum Voltage: 1.2 V
Maximum Voltage: 1.2 V
Configured Voltage: 1.2 V

 

[Robbie]

I guess the "Kingston" manufacturer code was noted during a successful syno_mem_check.

At least the manufacturer code used by Synology RAM has a hint of humour. No ASCII text in the parameter, just 08F7.

08F7 is hex or geek-speak for 'divided' ÷.

Divided they fall.

 

[Phone Guy]

I wasn't really planning on this upgrade but stumbled on a new 'Synology' branded ECC SODIMM for regular DDR4 money. I need more RAM than this but for now it does, at least, double my RAM and brings me into dual-channel mode. My search for a bigger and better memory configuration that escapes the new vendor waring in DSM will continue.

Usual dull and unremarkable Synology box:

View attachment 3138

Identical to the SODIMM that came with the RS1221+ but with an extra 'Warranty' sticker... serious stuff:

View attachment 3139

Not much to say about fitting a stick of RAM in acres of space, apart from Synology leaving microns between the RAM and the heatsink (why do I think @Rusty is laughing at the size of the CPU cooling):

View attachment 3140
"Call that a heatsink?"

Anyway, system booted-up and RAM checked:

Rob@Rivendell:/$ sudo dmidecode -t memory Password: # dmidecode 3.2 Getting SMBIOS data from sysfs. SMBIOS 3.1.1 present. Handle 0x001E, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: Multi-bit ECC Maximum Capacity: 64 GB Error Information Handle: 0x0021 Number Of Devices: 2 Handle 0x001F, DMI type 17, 40 bytes Memory Device Array Handle: 0x001E Error Information Handle: 0x0022 Total Width: 72 bits Data Width: 64 bits Size: 4096 MB Form Factor: SODIMM Set: None Locator: DIMM 0 Bank Locator: P0 CHANNEL A Type: DDR4 Type Detail: Synchronous Unbuffered (Unregistered) Speed: 2667 MT/s Manufacturer: 08F7 Serial Number: D7 Asset Tag: Not Specified Part Number: D4XS12081SH26A-C Rank: 1 Configured Memory Speed: 2400 MT/s Minimum Voltage: 1.2 V Maximum Voltage: 1.2 V Configured Voltage: 1.2 V Handle 0x0020, DMI type 17, 40 bytes Memory Device Array Handle: 0x001E Error Information Handle: 0x0023 Total Width: 72 bits Data Width: 64 bits Size: 4096 MB Form Factor: SODIMM Set: None Locator: DIMM 0 Bank Locator: P0 CHANNEL B Type: DDR4 Type Detail: Synchronous Unbuffered (Unregistered) Speed: 2667 MT/s Manufacturer: 08F7 Serial Number: 8C Asset Tag: Not Specified Part Number: D4XS12081SH26A-C Rank: 1 Configured Memory Speed: 2400 MT/s Minimum Voltage: 1.2 V Maximum Voltage: 1.2 V Configured Voltage: 1.2 V Rob@Rivendell:/$

Interesting that the max RAM is stated as 64GB.

View attachment 3141

Back to the GUI and everything looking ok and now rocking 8GB of RAM like it is 1999, again.

How do you get that list display? Looks like a dos command (ssh command)

Any instructions on how to perform that test and get those values?

 

[fredbert]

How do you get that list display? Looks like a dos command (ssh command)

Any instructions on how to perform that test and get those values?

The first line provides the command, and it's via a SSH session...

sudo dmidecode -t memory

You will be asked for your password to run the command with elevated privileges.

 

[Robbie]

Thanks @fredbert, I was caught-up in other matters.

 

[Phone Guy]

The first line provides the command, and it's via a SSH session...

sudo dmidecode -t memory

You will be asked for your password to run the command with elevated privileges.

Thank you so much. I am new to this whole NAS scene, and still learning the very basic stuff.