NAS supported SMR hard drives (HDD)
Asustor have updated their HDD compatibility list for SMR drives from WD.
| Western Digital | 3.5” SATA III Hard Drive | WD60EFAX-68JH4N0 | 6 TB | NAS | Red SMR | All |
| Western Digital | 3.5” SATA III Hard Drive | WD60EFAX-68JH4N0 | 6 TB | NAS | Red SMR | AS 6004U |
| Western Digital | 3.5” SATA III Hard Drive | WD60EFAX-68SHWN0 | 6 TB | NAS | Red SMR | All |
| Western Digital | 3.5” SATA III Hard Drive | WD60EFAX-68SHWN0 | 6 TB | NAS | Red SMR | AS 6004U |
| Western Digital | 3.5” SATA III Hard Drive | WD40EFAX | 4 TB | NAS | Red SMR | All |
| Western Digital | 3.5” SATA III Hard Drive | WD40EFAX | 4 TB | NAS | Red SMR | AS 6004U |
| Western Digital | 3.5” SATA III Hard Drive | WD30EFAX | 3 TB | NAS | Red SMR | All |
| Western Digital | 3.5” SATA III Hard Drive | WD30EFAX | 3 TB | NAS | Red SMR | AS 6004U |
| Western Digital | 3.5” SATA III Hard Drive | WD20EFAX-68B2RN0 | 2 TB | NAS | Red SMR | All |
| Western Digital | 3.5” SATA III Hard Drive | WD20EFAX-68B2RN0 | 2 TB | NAS | Red SMR | AS 6004U |
| Western Digital | 3.5” SATA III Hard Drive | WD20EFAX-68FB5N0 | 2 TB | NAS | Red SMR | All |
| Western Digital | 3.5” SATA III Hard Drive | WD20EFAX-68FB5N0 | 2 TB | NAS | Red SMR | AS 6004U |