Qnap TS-451DeU non-official compatible RAM upgrade

Advice on un-official RAM upgrade for Qnap TS-451DeU

I am looking for an unofficial alternative for RAM upgrade for my Qnap TS-451DeU.

The name of the official Qnap model is; RAM-4GDR4A0-SO-2666. I have requested Crucial’s service centre for the same issue, but they replied that; “We are sorry to inform you that Crucial do not have any equivalent memory as your QNAP TS-451DeU supports ECC memory and Crucial do not have any ECC memories. ”

Can you please advice me on wheter it is possible / adviceable to use non-EEC memory on a NAS that supports ECC memory and recommend and non-official alternative to Qnap’s RAM-4GDR4A0-SO-2666?

Lastly; system specs for TS-451DeU says that the maximum RAM is 8GB. Do you have any knowledge / experience if this is “absolute” or wether it also will work with for example 16 GB?

 

Celeron based models do not support ECC RAM. This model has regular DDR4 RAM. Even though it says MAX 8GB, just like 51d and 53d series, you can upgrade up to 16GB if you want to.
Qnap offers two frequencies for their RAM on this model 2400 and 2666.
​​​​​​​

16GB (2x8GB) Kit RAM memory for QNAP HS-453DX-8G DDR4 SO DIMM 2400MHz   UK 

I have also found this single rank RAM:

Crucial CT2K16G4S24AM 32 GB Kit (16 GB x 2) (DDR4, 2400 MT/s, PC4-19200, CL17, Dual Rank x 8, SODIMM, 260-Pin) Memory for Mac  UK       USA  

 

 

Alternative: Crucial

2GB Upgrade

Crucial CT2G4SFS624A 2 GB (DDR4, 2400 MT/s, PC4-19200, Single Rank x16, SODIMM, 260-Pin) Memory

USA

UK

4GB upgrade

Crucial 4GB Single DDR4 2400 MT/S (PC4-19200) SR x8 SODIMM 260-Pin Memory – CT4G4SFS824A

USA

UK

Compatible Crucial RAM upgrades up to 8GB:

Crucial 8GB Single DDR4 2400 MT/S (PC4-19200) SR x8 SODIMM 260-Pin Memory – CT8G4SFS824A

USA

UK

Compatible Crucial RAM upgrades up to 16GB:

Crucial 16GB Kit (16GBx2) DDR4 2400 MT/s (PC4-19200) DR x8 SODIMM 260-Pin Memory – CT2K16G4SFD824A


Some might want to try 32GB. Many people have said it works. We have tested this today and it works.

Crucial 32GB Kit (16GBx2) DDR4 2400 MT/s (PC4-19200) DR x8 SODIMM 260-Pin for Mac – CT2K16G4S24AM


 

 

Here are official RAM modules:

 

RAM-2GDR4A0-SO-2400
RAM-2GDR4A0-SO-2400
DDR type: DDR4(260PIN)

Capacity: 2GB

Spec: 256M X 16

Frequency: DDR4-2400

Form(PIN): 260PIN

Power Supply: 1.2V

Dram Organization: 256M*64

Temperature: 0℃~85℃

Environmental Regulation: RoHS

RAM-4GDR4A0-SO-2666
RAM-4GDR4A0-SO-2666
DDR type: DDR4(260PIN)

Capacity: 4GB

Spec: 512M X 16

Frequency: DDR4-2666

Form(PIN): 260PIN

Power Supply: 1.2V

Dram Organization: 512M*64

Temperature: 0℃~85℃

Environmental Regulation: RoHS

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