20TB drives on the Synology compatibility list
Synology officially lists 82 different 20TB part numbers from 5 brands: Toshiba (33) · Seagate (25) · Western Digital (15) · WD (5) · Synology (4). Ranked below by how many models list each — the wider the support, the safer the pick for an unlisted or older machine.
82
Listed 20TB drives
5
Brands
119
Widest model support
Our pick at 20TB
The most universally listed 20TB NAS-line drive is the Seagate IronWolf Pro (ST20000NT001) — on 119 Synology models' official lists. For surveillance builds, filter the table below by the Surveillance line instead.
All 20TB drives, ranked by support
| Drive | Brand | Series | Line | Listed on |
|---|---|---|---|---|
| MG10ACA20TE | Toshiba | MG10 | Enterprise | 144 machines |
| MG11ACA20TE | Toshiba | MG11 Series | Enterprise | 135 machines |
| MG10ACA20TA | Toshiba | MG10 | Enterprise | 133 machines |
| ST20000NM007D | Seagate | EXOS x20 | Enterprise | 130 machines |
| ST20000NT001 | Seagate | IronWolf Pro | NAS | 119 machines |
| HDWG62AUZSVA | Toshiba | N300 | NAS | 111 machines |
| ST20000NM002H | Seagate | EXOS X24 | Enterprise | 111 machines |
| WUH722020ALE6L4 | Western Digital | Ultrastar DC HC560 | Enterprise | 111 machines |
| WUH722020BLE6L4 | Western Digital | Ultrastar DC HC560 | Enterprise | 108 machines |
| HDEB00SGEA51 | Toshiba | MG | Enterprise | 107 machines |
| HDEB00TGEA51 | Toshiba | MG | Enterprise | 107 machines |
| ST20000NM004E | Seagate | EXOS X22 | Enterprise | 105 machines |
| 0B48724 (WUH722020CLE6L4) | Western Digital | Ultrastar DC HC555 | Enterprise | 102 machines |
| WD201KRYZ | Western Digital | Gold | Enterprise | 102 machines |
| WD202KRYZ | Western Digital | Gold | Enterprise | 102 machines |
| 0B48719 (WUH722020CLE6L1) | Western Digital | Ultrastar DC HC555 | Enterprise | 100 machines |
| WD203KRYZ | Western Digital | Gold Enterprise | Enterprise | 100 machines |
| WUH722020BLE6L1 | Western Digital | Ultrastar DC HC560 | Enterprise | 93 machines |
| WUH722020ALE6L1 | Western Digital | Ultrastar DC HC560 | Enterprise | 92 machines |
| MN10ACA20T | Toshiba | MN10 | NAS | 91 machines |
| WD202KFGX-68CKWN0 | Western Digital | Red Pro | NAS | 90 machines |
| ST20000NE000-3G5101 | Seagate | IronWolf Pro | NAS | 89 machines |
| ST20000NT001-3LT101 | Seagate | IronWolf Pro | NAS | 88 machines |
| WD201KFGX-68BKJN0 | Western Digital | Red Pro | NAS | 86 machines |
| ST20000NT001-3MB101 | Seagate | IronWolf Pro | NAS | 85 machines |
| HAT3320-20T | Synology | HAT3320 | Plus | 79 machines |
| HAT5310-20T | Synology | HAT5310 | Enterprise | 76 machines |
| HAT5320-20T | Synology | HAT5320 | Enterprise | 76 machines |
| MN11ACA20T(HDWG82A*ZSTB) | Toshiba | MN11 | NAS | 75 machines |
| HDWG62AYZSTB | Toshiba | N300 Pro | NAS | 61 machines |
| HDWG62AAZSTA | Toshiba | N300 | NAS | 59 machines |
| HDWG62AAZSTB | Toshiba | N300 Pro | NAS | 59 machines |
| HDWG62AEZSTA | Toshiba | N300 | NAS | 59 machines |
| HDWG62AEZSTB | Toshiba | N300 Pro | NAS | 59 machines |
| HDWG62AUZSVB | Toshiba | N300 Pro | NAS | 59 machines |
| HDWG62AXZSTA | Toshiba | N300 | NAS | 59 machines |
| HDWG62AXZSTB | Toshiba | N300 Pro | NAS | 59 machines |
| HDWG62AYZSTA | Toshiba | N300 | NAS | 59 machines |
| ST20000NE000 | Seagate | IronWolf | NAS | 58 machines |
| WD201KFGX | Western Digital | WD RED Pro | Enterprise | 48 machines |
| ST20000VE003 | Seagate | Surveillance SKYHAWK AI | Surveillance | 35 machines |
| HDWG62A*ZSTA | Toshiba | N300 | NAS | 15 machines |
| ST20000NM002H - 3KV133 | Seagate | Exos X24 | Enterprise | 15 machines |
| ST20000NT001 - 3MB101-500 | Seagate | IronWolf Pro | NAS | 15 machines |
| WD201KFGX - 68BKJN0 | WD | Red Pro | NAS | 15 machines |
| HDWG82A*ZSTA | Toshiba | N300 | NAS | 14 machines |
| HDWG82A*ZSTB | Toshiba | N300 Pro | NAS | 14 machines |
| HDWG82AUZSVA | Toshiba | N300 | NAS | 14 machines |
| HDWG82AUZSVB | Toshiba | N300 Pro | NAS | 14 machines |
| MN11ACA20TS | Toshiba | N300 | NAS | 14 machines |
| ST20000NTA01 | Seagate | IronWolf Pro | NAS | 14 machines |
| ST20000NTZ01 | Seagate | IronWolf Pro | NAS | 14 machines |
| HDWG62A | Toshiba | N300 | 13 machines | |
| MG10AFA20TE | Toshiba | MG10 | Enterprise | 13 machines |
| MN11ACA20T | Toshiba | N300 Pro | NAS | 13 machines |
| ST20000NE000 - 3G5101-500 | Seagate | IronWolf Pro | NAS | 13 machines |
| ST20000NEA01 | Seagate | IronWolf Pro | NAS | 13 machines |
| ST20000NEZ01 | Seagate | IronWolf Pro | NAS | 13 machines |
| ST20000NM004E - 3HR103 | Seagate | Exos X22 | Enterprise | 13 machines |
| ST20000NT001 - 3LT101-500 | Seagate | IronWolf Pro | NAS | 13 machines |
| WD202KFGX | WD | Red Plus | 12 machines | |
| MG11ACA20TE-V | Toshiba | S300 AI | Surveillance | 11 machines |
| ST20000NM007D - 3DJ103 | Seagate | Exos X20 | Enterprise | 8 machines |
| WUH722020CLE6L4 | WD | Ultrastar DC HC555 | Enterprise | 8 machines |
| HDWG82AUZSVA (MN11ACA20TS) | Toshiba | N300 | Enterprise | 7 machines |
| ST20000VE002-3G9101 | Seagate | Surveillance SKYHAWK AI | Surveillance | 7 machines |
| MG10SCA20TA | Toshiba | MG10 | Enterprise | 6 machines |
| MG10SCA20TE | Toshiba | MG10 | Enterprise | 6 machines |
| ST20000NM007H | Seagate | EXOS X24 | Enterprise | 6 machines |
| WUH722020BL5201 | Western Digital | Ultrastar DC HC560 | Enterprise | 6 machines |
| WUH722020BL5204 | Western Digital | Ultrastar DC HC560 | Enterprise | 6 machines |
| HDEA00SGEA51 | Toshiba | MG | Enterprise | 5 machines |
| HDEA00TGEA51 | Toshiba | MG | Enterprise | 5 machines |
| ST20000NM002D | Seagate | EXOS x20 | Enterprise | 5 machines |
| ST20000NM000E | Seagate | EXOS X22 | Enterprise | 4 machines |
| HAS5310-20T | Synology | HAS5310 | Enterprise | 3 machines |
| WD202KFGX - 68CKWN0 | WD | Red Pro | NAS | 3 machines |
| 0B47749 (WUH722020CL5204) | Western Digital | Ultrastar DC HC555 | Enterprise | 2 machines |
| MG10SCP20TE | Toshiba | MG10 | Enterprise | 1 machines |
| ST20000NM000D | Seagate | Exos X20 | Enterprise | 1 machines |