Compatible hard drives for QNAP TDS-16489U R2(QTS)

227 drives are on QNAP's official compatibility list for the TDS-16489U R2(QTS), up to 18TB listed. Read from qnap.com, list refreshed 2026-11-03.

16-bay Legacy model

QNAP
227
Listed drives
40
NAS line
175
Enterprise line
12
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

18TB (7) 16TB (12) 14TB (11) 12TB (20) 10TB (23) 8TB (34) 7TB (1) 7TB & below (119)

Where to start on the TDS-16489U R2(QTS)

For a home or small-office workload, the NAS lines below balance sustained writes and RAID-rebuild tolerance. Enterprise speed is only worth paying for in full-bay builds:

Full TDS-16489U R2(QTS) compatibility list

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

DriveBrandSeriesLineTypeMax listed
ST18000NE000-2YY101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 18 TB
ST18000NM004J Seagate EXOS x18 Enterprise SAS 12Gb/s 18 TB
ST18000NT001-3LU101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 18 TB
WD181KRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 18 TB
WD181VRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 18 TB
WUH721818ALE6L0 Western Digital Ultrastar DC HC550 Enterprise SATA 6Gb/s (SATA III) 18 TB
WUH721818ALE6L4 Western Digital Ultrastar DC HC550 Enterprise SATA 6Gb/s (SATA III) 18 TB
MG08ACA16TE Toshiba MG08 Enterprise SATA 6Gb/s (SATA III) 16 TB
MG08ACA16TEY Toshiba MG08 Enterprise SATA 6Gb/s (SATA III) 16 TB
ST16000NE000 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 16 TB
ST16000NE000-2WX103 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 16 TB
ST16000NM001G Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 16 TB
ST16000NM002G Seagate EXOS x16 Enterprise NL-SAS 12Gb/s 16 TB
ST16000NM004J Seagate EXOS x18 Enterprise SAS 12Gb/s 16 TB
ST16000NT001-3LV101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 16 TB
WD161KRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 16 TB
WD161VRYZ Western Digital Surveillance Gold Enterprise SATA 6Gb/s (SATA III) 16 TB
WUH721816ALE6L0 Western Digital Ultrastar DC HC550 Enterprise SATA 6Gb/s (SATA III) 16 TB
WUH721816ALE6L4 Western Digital Ultrastar DC HC550 Enterprise SATA 6Gb/s (SATA III) 16 TB
MG07ACA14TE Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 14 TB
MG07ACA14TEY Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 14 TB
MG07SCA14TE Toshiba MG07 Enterprise NL-SAS 12Gb/s 14 TB
MG08ACA14TE Toshiba MG08 Enterprise SATA 6Gb/s (SATA III) 14 TB
MG08ACA14TEY Toshiba MG08 Enterprise SATA 6Gb/s (SATA III) 14 TB
ST14000NE0008 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 14 TB
ST14000NE0008-2YX101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 14 TB
ST14000NM0018-2H4101 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 14 TB
ST14000NM001G Seagate EXOS x16 Enterprise SATA 6Gb/s (SATA III) 14 TB
ST14000NM002G Seagate EXOS x16 Enterprise NL-SAS 12Gb/s 14 TB
ST14000NT001-3LW101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 14 TB
HUH721212ALE600 Western Digital Ultrastar DC HC520 Enterprise SATA 6Gb/s (SATA III) 12 TB
HUH721212ALE604 Western Digital Ultrastar DC HC520 Enterprise SATA 6Gb/s (SATA III) 12 TB
MG07ACA12TE Toshiba MG07 Enterprise SATA 6Gb/s (SATA III) 12 TB
MG07ACA12TEY Toshiba MG07 Enterprise SATA 6Gb/s (SATA III) 12 TB
MG07SCA12TE Toshiba MG07 Enterprise NL-SAS 12Gb/s 12 TB
ST12000NE0007 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 12 TB
ST12000NE0008 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 12 TB
ST12000NE0008-2YW101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 12 TB
ST12000NE008 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 12 TB
ST12000NM0007 Seagate Exos X12 Enterprise SATA 6Gb/s (SATA III) 12 TB
ST12000NM0008 Seagate Exos X14 Enterprise SATA 6Gb/s (SATA III) 12 TB
ST12000NM001G Seagate EXOS x16 Enterprise SATA 6Gb/s (SATA III) 12 TB
ST12000NM0027 Seagate Enterprise Enterprise NL-SAS 12Gb/s 12 TB
ST12000NM002G Seagate EXOS x16 Enterprise NL-SAS 12Gb/s 12 TB
ST12000NM0037 Seagate Enterprise Enterprise NL-SAS 12Gb/s 12 TB
ST12000NT001-3LX101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 12 TB
ST12000VN0007 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 12 TB
ST12000VN0008 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 12 TB
WD121KRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 12 TB
WD121VRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 12 TB
HDN721010ALE604 HGST NAS NAS SATA 6Gb/s (SATA III) 10 TB
HUH721010AL4200 HGST Enterprise Enterprise NL-SAS 12Gb/s 10 TB
HUH721010ALE600 HGST Enterprise Enterprise SATA 6Gb/s (SATA III) 10 TB
HUH721010ALE604 Western Digital Ultrastar DC HC510 Enterprise SATA 6Gb/s (SATA III) 10 TB
MD06ACA10TV Toshiba Surveillance MD06-V Surveillance SATA 6Gb/s (SATA III) 10 TB
MG06SCA10TE Toshiba MG06 Enterprise NL-SAS 12Gb/s 10 TB
MG06SCA10TEY Toshiba MG06 Enterprise NL-SAS 12Gb/s 10 TB
ST10000NE0004 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 10 TB
ST10000NE0008 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 10 TB
ST10000NE008 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 10 TB
ST10000NM0016 Seagate Exos X10 Enterprise SATA 6Gb/s (SATA III) 10 TB
ST10000NM001G Seagate EXOS x16 Enterprise SATA 6Gb/s (SATA III) 10 TB
ST10000NM0086 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 10 TB
ST10000NM0096 Seagate Enterprise Enterprise NL-SAS 12Gb/s 10 TB
ST10000NM0478 Seagate Exos X14 Enterprise SATA 6Gb/s (SATA III) 10 TB
ST10000VN0004 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 10 TB
ST10000VN0008 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 10 TB
ST10000VN0014 Seagate NAS NAS SATA 6Gb/s (SATA III) 10 TB
WD101KFBX Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 10 TB
WD101KRYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 10 TB
WD102KRYZ Western Digital Surveillance Gold Enterprise SATA 6Gb/s (SATA III) 10 TB
WD102VRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 10 TB
WUS721010ALE6L4 Western Digital Ultrastar DC HC330 Enterprise SATA 6Gb/s (SATA III) 10 TB
HUH721008AL4200 HGST Enterprise Enterprise NL-SAS 12Gb/s 8 TB
HUH721008ALE600 HGST Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
HUH721008ALE604 HGST Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
HUH728080AL5200 HGST Enterprise Enterprise NL-SAS 12Gb/s 8 TB
HUH728080ALE600 HGST Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
HUH728080ALE604 HGST Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
HUS728T8TAL5204 HGST Enterprise Enterprise NL-SAS 12Gb/s 8 TB
HUS728T8TALE6L4 Western Digital Ultrastar DC HC320 Enterprise SATA 6Gb/s (SATA III) 8 TB
MD06ACA800V Toshiba Surveillance MD06-V Surveillance SATA 6Gb/s (SATA III) 8 TB
MG05ACA800E Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
MG06SCA800E Toshiba MG06 Enterprise NL-SAS 12Gb/s 8 TB
MG06SCA800EY Toshiba MG06 Enterprise NL-SAS 12Gb/s 8 TB
ST8000NE0001 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000NE0004 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 8 TB
ST8000NE001 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 8 TB
ST8000NE0011 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000NE0011 (Rescue) Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000NE0021 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 8 TB
ST8000NM000A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000NM0016 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000NM001A Seagate Enterprise Enterprise NL-SAS 12Gb/s 8 TB
ST8000NM0055 Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000NM0065 Seagate Exos 7E8 Enterprise NL-SAS 12Gb/s 8 TB
ST8000NM0075 Seagate Surveillance Surveillance NL-SAS 12Gb/s 8 TB
ST8000NM0206 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000VN0004 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 8 TB
ST8000VN0022 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 8 TB
ST8000VN004 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 8 TB
WD8001FFWX Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
WD8002FRYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
WD8003FFBX Western Digital Red Pro NAS SATA 6Gb/s (SATA III) 8 TB
WD8003FRYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 8 TB
WD8004FRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 8 TB
WD8004VRYZ Western Digital Surveillance Gold Enterprise SATA 6Gb/s (SATA III) 8 TB
ST7000VN0002 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 7 TB
HUH728060ALE600 HGST Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
HUS726060ALE610 Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
HUS726060ALE614 Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
HUS726T6TALE6L4 Western Digital Ultrastar DC HC310 Enterprise SATA 6Gb/s (SATA III) 6 TB
MD06ACA600V Toshiba Surveillance MD06-V Surveillance SATA 6Gb/s (SATA III) 6 TB
MG04ACA600E Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
MG04SCA60EE Toshiba MG04 Enterprise NL-SAS 12Gb/s 6 TB
MG06SCA600E Toshiba MG06 Enterprise NL-SAS 12Gb/s 6 TB
MG06SCA600EY Toshiba MG06 Enterprise NL-SAS 12Gb/s 6 TB
ST6000NE000 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 6 TB
ST6000NE0001 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000NE0003 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000NE0011 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000NE0013 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000NE0021 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 6 TB
ST6000NE0023 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 6 TB
ST6000NM0014 Seagate Enterprise Enterprise NL-SAS 12Gb/s 6 TB
ST6000NM0024 Seagate Seagate Enterprise Capacity Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000NM0034 Seagate Enterprise Enterprise NL-SAS 12Gb/s 6 TB
ST6000NM0095 Seagate Surveillance Surveillance NL-SAS 12Gb/s 6 TB
ST6000NM0105 Seagate Exos 7E8 Enterprise NL-SAS 12Gb/s 6 TB
ST6000NM0115 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000NM021A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000VN0001 Seagate Enterprise NAS Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000VN0003 Seagate NAS NAS SATA 6Gb/s (SATA III) 6 TB
ST6000VN0011 (Rescue) Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000VN0033 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 6 TB
ST6000VN004 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 6 TB
ST6000VN0041 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 6 TB
WD6001FFWX  (Red Pro NASware 3.0) Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
WD6002FFWX Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
WD6002FRYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 6 TB
WD6003FFBX Western Digital Red Pro NAS SATA 6Gb/s (SATA III) 6 TB
WD6003FRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 6 TB
WD6003VRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 6 TB
HUS726050ALE610 Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 5 TB
HUS726050ALE614 Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 5 TB
MG04ACA500E Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 5 TB
MG04SCA50EE Toshiba MG04 Enterprise NL-SAS 12Gb/s 5 TB
ST5000NM0024 Seagate Seagate Enterprise Capacity Enterprise SATA 6Gb/s (SATA III) 5 TB
ST5000VN0001 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 5 TB
ST5000VN0011 (Rescue) Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 5 TB
WD5001FFWX (Red Pro NASware 3.0) Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 5 TB
HUS726040ALA614 HGST Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
HUS726040ALE610 Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
HUS726040ALE614 Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
HUS726T4TALA6L4 Western Digital Ultrastar DC HC310 Enterprise SATA 6Gb/s (SATA III) 4 TB
HUS726T4TALE6L4 Western Digital Ultrastar DC HC310 Enterprise SATA 6Gb/s (SATA III) 4 TB
MG04ACA400E Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
MG04ACA400N Toshiba MG04 Enterprise SATA 6Gb/s (SATA III) 4 TB
MG04SCA40EE Toshiba MG04 Enterprise NL-SAS 12Gb/s 4 TB
ST4000NE000 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 4 TB
ST4000NE001 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 4 TB
ST4000NE0015 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000NE0025 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 4 TB
ST4000NM0014 Seagate Enterprise Enterprise NL-SAS 12Gb/s 4 TB
ST4000NM0024 Seagate Seagate Enterprise Capacity Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000NM0025 Seagate Surveillance Surveillance NL-SAS 12Gb/s 4 TB
ST4000NM002A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000NM0033 Seagate Seagate® Constellation® Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000NM0035 Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000NM003A Seagate Enterprise Enterprise NL-SAS 12Gb/s 4 TB
ST4000NM0095 Seagate Surveillance Surveillance NL-SAS 12Gb/s 4 TB
ST4000NM0115 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000NM0125 Seagate Surveillance Surveillance NL-SAS 12Gb/s 4 TB
ST4000VN0001 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000VN0011 (Rescue) Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
WD4000FYYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
WD4002FFWX  Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
WD4002FYYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 4 TB
WD4003FFBX Western Digital Red Pro NAS SATA 6Gb/s (SATA III) 4 TB
WD4003FRYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 4 TB
WD4003VRYZ Western Digital Surveillance Gold Enterprise SATA 6Gb/s (SATA III) 4 TB
MG04ACA300E Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 3 TB
ST3000NM0005 Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 3 TB
ST3000NM0025 Seagate Surveillance Surveillance NL-SAS 12Gb/s 3 TB
ST3000NM0033 Seagate Seagate® Enterprise SATA 6Gb/s (SATA III) 3 TB
ST3000VN0001 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 3 TB
ST3000VN0011 (Rescue) Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 3 TB
WD3000FYYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 3 TB
HUS722T2TALA604 Western Digital Ultrastar DC HA210 Enterprise SATA 6Gb/s (SATA III) 2 TB
HUS726020AL4210 HGST Enterprise Enterprise NL-SAS 12Gb/s 2 TB
HUS726020AL4211 HGST Enterprise Enterprise NL-SAS 12Gb/s 2 TB
HUS726020ALA614 HGST Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
HUS726020ALE610 Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
HUS726020ALE614 Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
MG04ACA200E Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
MG04ACA200N Toshiba MG04 Enterprise SATA 6Gb/s (SATA III) 2 TB
MG04SCA20EE Toshiba MG04 Enterprise NL-SAS 12Gb/s 2 TB
ST2000NE001 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 2 TB
ST2000NE0015 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NE0025 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 2 TB
ST2000NM0008 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NM0014 Seagate Enterprise Enterprise NL-SAS 12Gb/s 2 TB
ST2000NM001A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NM0024 Seagate Seagate Enterprise Capacity Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NM0033 Seagate Seagate® Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NM0034 Seagate Enterprise Enterprise NL-SAS 12Gb/s 2 TB
ST2000NM0045 Seagate Surveillance Surveillance NL-SAS 12Gb/s 2 TB
ST2000NM0055 Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NM0115 Seagate Surveillance Surveillance NL-SAS 12Gb/s 2 TB
ST2000NM0125 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NM0135 Seagate Surveillance Surveillance NL-SAS 12Gb/s 2 TB
ST2000VN0001 Seagate Enterprise NAS Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000VN0011 (Rescue) Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
WD2000FYYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
WD2004FBYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 2 TB
WD2005FBYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 2 TB
WD2005VBYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 2 TB
HUS722T1TALA604 Western Digital Ultrastar DC HA210 Enterprise SATA 6Gb/s (SATA III) 1 TB
MG03ACA100 Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 1 TB
MG04ACA100N Toshiba MG04 Enterprise SATA 6Gb/s (SATA III) 1 TB
ST1000NM0008 Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 1 TB
ST1000NM0033 Seagate Seagate® Enterprise SATA 6Gb/s (SATA III) 1 TB
ST1000NM0045 Seagate Enterprise Enterprise NL-SAS 12Gb/s 1 TB
ST1000NM0055 Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 1 TB
WD1004FBYZ Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 1 TB
WD1005FBYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 1 TB
WD1005VBYZ Western Digital Gold Enterprise SATA 6Gb/s (SATA III) 1 TB

Going big on the TDS-16489U R2(QTS)?

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.