Compatible hard drives for QNAP ES1686dc R2
98 drives are on QNAP's official compatibility list for the ES1686dc R2, up to 26TB listed. Read from qnap.com, list refreshed 2026-11-03.
16-bay
98
Listed drives
0
NAS line
98
Enterprise line
0
SSD & surveillance
This vendor publishes its compatibility list as an advisory tested matrix — drives not on it are not firmware-blocked. Treat the list as a quality signal; off-list drives work but fall outside the tested pairing.
Capacity range on the official list
Full ES1686dc R2 compatibility list
Grouped by part number; Max shows the largest capacity QNAP lists. Filter by brand, line or capacity:
| Drive | Brand | Series | Line | Type | Max listed |
|---|---|---|---|---|---|
| WUH722626AL5201 | Western Digital | Ultrastar DC HC590 | Enterprise | NL-SAS 12Gb/s | 26 TB |
| WUH722626AL5204 | Western Digital | Ultrastar DC HC590 | Enterprise | NL-SAS 12Gb/s | 26 TB |
| 0F62802 (Base SE) WUH722424AL5204 | Western Digital | Ultrastar DC HC580 | Enterprise | SAS 12Gb/s | 24 TB |
| MG11SCA24TE | Toshiba | MG11 | Enterprise | NL-SAS 12Gb/s | 24 TB |
| ST24000NM007H | Seagate | EXOS X24 | Enterprise | NL-SAS 12Gb/s | 24 TB |
| WUH722624AL5201 | Western Digital | Ultrastar DC HC590 | Enterprise | NL-SAS 12Gb/s | 24 TB |
| WUH722624AL5204 | Western Digital | Ultrastar DC HC590 | Enterprise | NL-SAS 12Gb/s | 24 TB |
| 0F62791 (Base SE) WUH722422AL5204 | Western Digital | Ultrastar DC HC580 | Enterprise | SAS 12Gb/s | 22 TB |
| MG10SFA22TE | Toshiba | MG10F | Enterprise | NL-SAS 12Gb/s | 22 TB |
| WUH722222AL5201 | Western Digital | Ultrastar DC HC570 | Enterprise | SAS 12Gb/s | 22 TB |
| WUH722222AL5204 | Western Digital | Ultrastar DC HC570 | Enterprise | SAS 12Gb/s | 22 TB |
| 0B47749 (WUH722020CL5204) | Western Digital | Ultrastar DC HC555 | Enterprise | SAS 12Gb/s | 20 TB |
| HDEA00SGEA51 | Toshiba | MG | Enterprise | NL-SAS 12Gb/s | 20 TB |
| HDEA00TGEA51 | Toshiba | MG | Enterprise | NL-SAS 12Gb/s | 20 TB |
| MG10SCA20TA | Toshiba | MG10 | Enterprise | NL-SAS 12Gb/s | 20 TB |
| MG10SCA20TE | Toshiba | MG10 | Enterprise | NL-SAS 12Gb/s | 20 TB |
| ST20000NM002D | Seagate | EXOS x20 | Enterprise | NL-SAS 12Gb/s | 20 TB |
| ST20000NM007H | Seagate | EXOS X24 | Enterprise | NL-SAS 12Gb/s | 20 TB |
| WUH722020BL5201 | Western Digital | Ultrastar DC HC560 | Enterprise | SAS 12Gb/s | 20 TB |
| WUH722020BL5204 | Western Digital | Ultrastar DC HC560 | Enterprise | SAS 12Gb/s | 20 TB |
| 0B47747 (WUH722018CL5204) | Western Digital | Ultrastar DC HC555 | Enterprise | SAS 12Gb/s | 18 TB |
| HDEPY10GEA51 | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 18 TB |
| MG09SCA18TE | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 18 TB |
| MG10SCA18TA | Toshiba | MG10 | Enterprise | NL-SAS 12Gb/s | 18 TB |
| MG10SCA18TE | Toshiba | MG10 | Enterprise | NL-SAS 12Gb/s | 18 TB |
| ST18000NM000D | Seagate | EXOS x20 | Enterprise | NL-SAS 12Gb/s | 18 TB |
| ST18000NM004J | Seagate | EXOS x18 | Enterprise | SAS 12Gb/s | 18 TB |
| WUH721818AL5200 | Western Digital | Ultrastar DC HC550 | Enterprise | NL-SAS 12Gb/s | 18 TB |
| WUH721818AL5204 | Western Digital | Ultrastar DC HC550 | Enterprise | NL-SAS 12Gb/s | 18 TB |
| 0B47745 (WUH722016CL5204) | Western Digital | Ultrastar DC HC555 | Enterprise | SAS 12Gb/s | 16 TB |
| HDEPY11GEA51 | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 16 TB |
| MG08SCA16TE | Toshiba | MG08 | Enterprise | NL-SAS 12Gb/s | 16 TB |
| MG08SCA16TEY | Toshiba | MG08 | Enterprise | NL-SAS 12Gb/s | 16 TB |
| MG09SCA16TE | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 16 TB |
| ST16000NM004J | Seagate | EXOS x18 | Enterprise | SAS 12Gb/s | 16 TB |
| ST16000NM007H | Seagate | EXOS X24 | Enterprise | NL-SAS 12Gb/s | 16 TB |
| WUH721816AL5204 | Western Digital | Ultrastar DC HC550 | Enterprise | NL-SAS 12Gb/s | 16 TB |
| 0B47743 (WUH722014CL5204) | Western Digital | Ultrastar DC HC555 | Enterprise | SAS 12Gb/s | 14 TB |
| HDEPY12GEA51 | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 14 TB |
| MG09SCA14TE | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 14 TB |
| ST14000NM004J | Seagate | EXOS x18 | Enterprise | SAS 12Gb/s | 14 TB |
| WUH721414AL5204 | Western Digital | Ultrastar DC HC530 | Enterprise | NL-SAS 12Gb/s | 14 TB |
| 0B47741 (WUH722012CL5204) | Western Digital | Ultrastar DC HC555 | Enterprise | SAS 12Gb/s | 12 TB |
| HDEPY13GEA51 | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 12 TB |
| HUH721212AL5200 | Western Digital | Ultrastar DC HC520 | Enterprise | NL-SAS 12Gb/s | 12 TB |
| MG09SCA12TE | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 12 TB |
| ST12000NM004J | Seagate | EXOS x18 | Enterprise | SAS 12Gb/s | 12 TB |
| ST12000NM007H | Seagate | EXOS X24 | Enterprise | NL-SAS 12Gb/s | 12 TB |
| HDEPY14GEA51 | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 10 TB |
| MG09SCA10TE | Toshiba | MG09 | Enterprise | NL-SAS 12Gb/s | 10 TB |
| MG10SDA10TE | Toshiba | MG10-D | Enterprise | NL-SAS 12Gb/s | 10 TB |
| ST10000NM018B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 10 TB |
| ST10000NM018B-2TL203 | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 10 TB |
| ST10000NM020B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 10 TB |
| ST10000NM022B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 10 TB |
| ST10000NM024B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 10 TB |
| WUS721010AL5204 | Western Digital | Ultrastar DC HC330 | Enterprise | NL-SAS 12Gb/s | 10 TB |
| 0B36400 (HUS728T8TAL5204) | Western Digital | Ultrastar DC HC320 | Enterprise | NL-SAS 12Gb/s | 8 TB |
| HDEJN14GEA51 | Toshiba | MG | Enterprise | NL-SAS 12Gb/s | 8 TB |
| HDEJN24GEA51 | Toshiba | MG | Enterprise | NL-SAS 12Gb/s | 8 TB |
| MG08SDA800A | Toshiba | MG08-D | Enterprise | NL-SAS 12Gb/s | 8 TB |
| MG08SDA800E | Toshiba | MG08-D | Enterprise | NL-SAS 12Gb/s | 8 TB |
| MG08SDA800EY | Toshiba | MG08-D | Enterprise | NL-SAS 12Gb/s | 8 TB |
| MG10SDA800E | Toshiba | MG10-D | Enterprise | NL-SAS 12Gb/s | 8 TB |
| ST8000NM018B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 8 TB |
| ST8000NM018B-2TJ203 | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 8 TB |
| ST8000NM020B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 8 TB |
| ST8000NM022B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 8 TB |
| ST8000NM024B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 8 TB |
| HDEJN11GEA51 | Toshiba | MG | Enterprise | NL-SAS 12Gb/s | 6 TB |
| HDEJN21GEA51 | Toshiba | MG | Enterprise | NL-SAS 12Gb/s | 6 TB |
| HUS726T6TAL5204 | Western Digital | Ultrastar DC HC310 | Enterprise | NL-SAS 12Gb/s | 6 TB |
| MG08SDA600A | Toshiba | MG08-D | Enterprise | NL-SAS 12Gb/s | 6 TB |
| MG08SDA600E | Toshiba | MG08-D | Enterprise | NL-SAS 12Gb/s | 6 TB |
| MG08SDA600EY | Toshiba | MG08-D | Enterprise | NL-SAS 12Gb/s | 6 TB |
| MG10SDA600E | Toshiba | MG10-D | Enterprise | NL-SAS 12Gb/s | 6 TB |
| ST6000NM020B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 6 TB |
| ST6000NM020B-2TG203 | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 6 TB |
| ST6000NM022B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 6 TB |
| ST6000NM024B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 6 TB |
| ST6000NM026B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 6 TB |
| HDEJN02GEA51 | Toshiba | MG | Enterprise | NL-SAS 12Gb/s | 4 TB |
| HDEJN12GEA51 | Toshiba | MG | Enterprise | NL-SAS 12Gb/s | 4 TB |
| HDEJN22GEA51 | Toshiba | MG | Enterprise | NL-SAS 12Gb/s | 4 TB |
| HUS726T4TAL5204 | Western Digital | Ultrastar DC HC310 | Enterprise | NL-SAS 12Gb/s | 4 TB |
| MG08SDA400E | Toshiba | MG08-D | Enterprise | NL-SAS 12Gb/s | 4 TB |
| MG08SDA400EY | Toshiba | MG08-D | Enterprise | NL-SAS 12Gb/s | 4 TB |
| MG08SDA400N | Toshiba | MG08-D | Enterprise | NL-SAS 12Gb/s | 4 TB |
| MG10SDA400E | Toshiba | MG10-D | Enterprise | NL-SAS 12Gb/s | 4 TB |
| ST4000NM025B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 4 TB |
| ST4000NM025B-2TF203 | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 4 TB |
| ST4000NM027B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 4 TB |
| ST4000NM029B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 4 TB |
| ST4000NM031B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 4 TB |
| MG10SDA200E | Toshiba | MG10-D | Enterprise | NL-SAS 12Gb/s | 2 TB |
| ST2000NM018B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 2 TB |
| ST2000NM018B-2TD203 | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 2 TB |
| ST2000NM020B | Seagate | EXOS 7E10 | Enterprise | NL-SAS 12Gb/s | 2 TB |
Going big on the ES1686dc R2?
At the top of the capacity range only enterprise lines are listed. They are built for sustained 7200RPM writes and 24/7 RAID duty — the right choice for a full-bay build:
Security: QNAP security: DeadBolt history & lockdown — eCh0raix → Qlocker → DeadBolt — what changed.