Compatible hard drives for QNAP ES1686Adc

34 drives are on QNAP's official compatibility list for the ES1686Adc, up to 26TB listed. Read from qnap.com, list refreshed 2026-11-03.

16-bay

QNAP
34
Listed drives
0
NAS line
34
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

26TB (2) 24TB (4) 22TB (1) 18TB (1) 16TB (1) 14TB (1) 12TB (2) 12TB & below (22)

Full ES1686Adc compatibility list

Grouped by part number; Max shows the largest capacity QNAP lists. Filter by brand, line or capacity:

DriveBrandSeriesLineTypeMax 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 (WUH722424AL5204) Western Digital Ultrastar DC HC580 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 (WUH722422AL5204) Western Digital Ultrastar DC HC580 Enterprise NL-SAS 12Gb/s 22 TB
ST18000NM004J Seagate EXOS x18 Enterprise SAS 12Gb/s 18 TB
ST16000NM004J Seagate EXOS x18 Enterprise SAS 12Gb/s 16 TB
ST14000NM004J Seagate EXOS x18 Enterprise SAS 12Gb/s 14 TB
HUH721212AL5200 Western Digital Ultrastar DC HC520 Enterprise NL-SAS 12Gb/s 12 TB
ST12000NM004J Seagate EXOS x18 Enterprise SAS 12Gb/s 12 TB
ST10000NM013G Seagate EXOS x18 Enterprise SAS 12Gb/s 10 TB
ST10000NM018B 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
ST8000NM018B 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
HUS726T6TAL5204 Western Digital Ultrastar DC HC310 Enterprise NL-SAS 12Gb/s 6 TB
ST6000NM020B 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
HUS726T4TAL5204 Western Digital Ultrastar DC HC310 Enterprise NL-SAS 12Gb/s 4 TB
ST4000NM025B 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
ST2000NM018B 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 ES1686Adc?

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.