Is WD20EFRX supported by DS220+
Would you know if WD20EFRX is supported by DS220+?
This is my existing hardisk and would want to reuse it in DS220+
Yes, since WD was taken to a court because of changing existing WD Red line with different architecture drives without telling anyone, people are more cautious when choosing compatible drives for their NAS.
Yes, your existing drive WD20EFRX is a CMR type of drive and is compatible with NAS.
Here are the codes for CMR drives:
You might still get them in some places, but not for long.
Here I have highlighted non-compatible drives which are SMR type.
| Model | Series | Capacity | Type | Platter |
| WD10EFRX | Red | 1TB | CMR | 3.5inch |
| WD20EFRX -old | Red | 2TB | CMR | 3.5inch |
| WD20EFAX | Red | 2TB | SMR | 3.5inch |
| WD30EFRX -old | Red | 3TB | CMR | 3.5inch |
| WD30EFAX | Red | 3TB | SMR | 3.5inch |
| WD40EFRX -old | Red | 4TB | CMR | 3.5inch |
| WD40EFAX | Red | 4TB | SMR | 3.5inch |
| WD60EFRX -old | Red | 6TB | CMR | 3.5inch |
| WD60EFAX | Red | 6TB | SMR | 3.5inch |
| WD80EFAX | Red | 8TB | CMR | 3.5inch |
| WD100EFAX | Red | 10TB | CMR | 3.5inch |
| WD101EFAX | Red | 10TB | CMR | 3.5inch |
| WD120EFAX | Red | 12TB | CMR | 3.5inch |
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