Compatible hard drives for Asustor AS6004U

262 drives are on Asustor's official compatibility list for the AS6004U series, up to 18TB listed. Read from asustor.com, list refreshed 2026-11-03.

Series-level list

262
Listed drives
154
NAS line
40
Enterprise line
68
Surveillance & other

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 (9) 14TB (16) 12TB (18) 10TB (25) 8TB (35) 6TB (35) 6TB & below (117)

Where to start on the AS6004U

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 AS6004U compatibility list

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

DriveBrandSeriesLineTypeMax listed
ST18000NE000 - 2YY101 Seagate IronWolf Pro NAS 3.5'' SATA HDD 18 TB
ST18000NM000J Seagate Exos X18 Enterprise 3.5'' SATA HDD 18 TB
ST18000NT001 - 3LU101-500 Seagate IronWolf Pro NAS 3.5'' SATA HDD 18 TB
WD181KFGX-68AFPN0 WD Red Pro NAS 3.5'' SATA HDD 18 TB
WD181KRYZ WD Gold Enterprise 3.5'' SATA HDD 18 TB
WUH721818ALE6L0 WD Ultrastar DC HC550 Enterprise 3.5'' SATA HDD 18 TB
WUH721818ALE6L4 WD Ultrastar DC HC550 Enterprise 3.5'' SATA HDD 18 TB
ST16000NE000 Seagate IronWolf Pro NAS 3.5'' SATA HDD 16 TB
ST16000NM000J Seagate Exos X18 Enterprise 3.5'' SATA HDD 16 TB
ST16000NM001G Seagate Exos X16 Enterprise 3.5'' SATA HDD 16 TB
ST16000NT001 - 3LV101-500 Seagate IronWolf Pro NAS 3.5'' SATA HDD 16 TB
ST16000VN001 Seagate IronWolf NAS 3.5'' SATA HDD 16 TB
WD161KFGX-68AFPN0 WD Red Pro NAS 3.5'' SATA HDD 16 TB
WD161KRYZ WD Gold Enterprise 3.5'' SATA HDD 16 TB
WUH721816ALE6L0 WD Ultrastar DC HC550 Enterprise 3.5'' SATA HDD 16 TB
WUH721816ALE6L4 WD Ultrastar DC HC550 Enterprise 3.5'' SATA HDD 16 TB
HDWG21E*ZSTA Toshiba N300 NAS 3.5'' SATA HDD 14 TB
HDWG21EUZSVA Toshiba N300 NAS 3.5'' SATA HDD 14 TB
MN07ACA14T Toshiba MN07 NAS 3.5'' SATA HDD 14 TB
ST14000NE0008 Seagate IronWolf Pro NAS 3.5'' SATA HDD 14 TB
ST14000NM001G Seagate Exos X16 Enterprise 3.5'' SATA HDD 14 TB
ST14000NT001 - 3LW101-500 Seagate IronWolf Pro NAS 3.5'' SATA HDD 14 TB
ST14000VN0008 Seagate IronWolf NAS 3.5'' SATA HDD 14 TB
WD140EFFX-68VBXN0 WD Red Plus NAS 3.5'' SATA HDD 14 TB
WD140EFGX-68B0GN0 WD Red Plus NAS 3.5'' SATA HDD 14 TB
WD140EJRX WD Purple Surveillance 3.5'' SATA HDD 14 TB
WD140EVRX WD Purple Surveillance 3.5'' SATA HDD 14 TB
WD140PURX WD Purple Surveillance 3.5'' SATA HDD 14 TB
WD140PURZ WD Purple Surveillance 3.5'' SATA HDD 14 TB
WD141KFGX WD Red Pro NAS 3.5'' SATA HDD 14 TB
WD141KRYZ WD Gold Enterprise 3.5'' SATA HDD 14 TB
WUH721414ALE6L4 WD Ultrastar DC HC530 Enterprise 3.5'' SATA HDD 14 TB
HDWG21C*ZSTA Toshiba N300 NAS 3.5'' SATA HDD 12 TB
HDWG21CUZSVA Toshiba N300 NAS 3.5'' SATA HDD 12 TB
HUH721212ALE600 WD Ultrastar DC HC520 Enterprise 3.5'' SATA HDD 12 TB
HUH721212ALE604 WD Ultrastar DC HC520 Enterprise 3.5'' SATA HDD 12 TB
MN07ACA12T Toshiba MN07 NAS 3.5'' SATA HDD 12 TB
ST12000NE0007 Seagate IronWolf Pro NAS 3.5'' SATA HDD 12 TB
ST12000NE0008 Seagate IronWolf Pro NAS 3.5'' SATA HDD 12 TB
ST12000NE0008 - 2PK103 Seagate IronWolf Pro NAS 3.5'' SATA HDD 12 TB
ST12000NM001G Seagate Exos X16 Enterprise 3.5'' SATA HDD 12 TB
ST12000NT001 - 3LX101-500 Seagate IronWolf Pro NAS 3.5'' SATA HDD 12 TB
ST12000VN0007 Seagate IronWolf NAS 3.5'' SATA HDD 12 TB
ST12000VN0008 Seagate IronWolf NAS 3.5'' SATA HDD 12 TB
ST12000VN0008 - 2PH103 Seagate IronWolf NAS 3.5'' SATA HDD 12 TB
WD120EFAX-68UNTN0 WD Red Plus NAS 3.5'' SATA HDD 12 TB
WD120EFBX-68B0EN0 WD Red Plus NAS 3.5'' SATA HDD 12 TB
WD121KFBX WD Red Pro NAS 3.5'' SATA HDD 12 TB
WD121KRYZ WD Gold Enterprise 3.5'' SATA HDD 12 TB
WD121PURZ WD Purple Surveillance 3.5'' SATA HDD 12 TB
HDWG11A*ZSTA Toshiba N300 NAS 3.5'' SATA HDD 10 TB
HDWG11AUZSVA Toshiba N300 NAS 3.5'' SATA HDD 10 TB
MN06ACA10T Toshiba N300 NAS 3.5'' SATA HDD 10 TB
ST10000NE000 - 3AP101 Seagate IronWolf Pro NAS 3.5'' SATA HDD 10 TB
ST10000NE0004 - 1ZF101 Seagate IronWolf Pro NAS 3.5'' SATA HDD 10 TB
ST10000NE0004 - 2GT11L Seagate IronWolf Pro NAS 3.5'' SATA HDD 10 TB
ST10000NE0008 Seagate IronWolf Pro NAS 3.5'' SATA HDD 10 TB
ST10000NE0008 - 2PL103 Seagate IronWolf Pro NAS 3.5'' SATA HDD 10 TB
ST10000NM001G Seagate Exos X16 Enterprise 3.5'' SATA HDD 10 TB
ST10000NT001 - 3LY101-500 Seagate IronWolf Pro NAS 3.5'' SATA HDD 10 TB
ST10000VN000 - 3AK101 Seagate IronWolf NAS 3.5'' SATA HDD 10 TB
ST10000VN0004 - 1ZD101 Seagate IronWolf NAS 3.5'' SATA HDD 10 TB
ST10000VN0004 - 2GS11 Seagate IronWolf NAS 3.5'' SATA HDD 10 TB
ST10000VN0008 Seagate IronWolf NAS 3.5'' SATA HDD 10 TB
ST10000VN0008 - 2PJ103 Seagate IronWolf NAS 3.5'' SATA HDD 10 TB
ST10000VX0004 Seagate SkyHawk Surveillance 3.5'' SATA HDD 10 TB
WD100EFAX WD Red Plus NAS 3.5'' SATA HDD 10 TB
WD101EFAX-68LDBN0 WD Red Plus NAS 3.5'' SATA HDD 10 TB
WD101EFBX-68B0AN0 WD Red Plus NAS 3.5'' SATA HDD 10 TB
WD101KFBX WD Red Pro NAS 3.5'' SATA HDD 10 TB
WD101PURZ WD Purple Surveillance 3.5'' SATA HDD 10 TB
WD102KFBX WD Red Pro NAS 3.5'' SATA HDD 10 TB
WD102KRYZ WD Gold Enterprise 3.5'' SATA HDD 10 TB
WD102PURZ WD Purple Surveillance 3.5'' SATA HDD 10 TB
WUS721010ALE6L4 WD Ultrastar DC HC330 Enterprise 3.5'' SATA HDD 10 TB
HUS728T8TALE6L4 WD Ultrastar DC HC320 Enterprise 3.5'' SATA HDD 8 TB
MD06ACA800V Toshiba Surveillance 3.5'' SATA HDD 8 TB
MG05ACA800E Toshiba MG05 Enterprise 3.5'' SATA HDD 8 TB
MN05ACA800 Toshiba N300 NAS 3.5'' SATA HDD 8 TB
ST8000NE0001 Seagate IronWolf Pro NAS 3.5'' SATA HDD 8 TB
ST8000NE0004 Seagate IronWolf Pro NAS 3.5'' SATA HDD 8 TB
ST8000NE001 Seagate IronWolf Pro NAS 3.5'' SATA HDD 8 TB
ST8000NE001 - 3CT101 Seagate IronWolf Pro NAS 3.5'' SATA HDD 8 TB
ST8000NE0021 Seagate IronWolf Pro NAS 3.5'' SATA HDD 8 TB
ST8000NM000A Seagate Exos 7E8 Enterprise 3.5'' SATA HDD 8 TB
ST8000NT001 - 3LZ101-500 Seagate IronWolf Pro NAS 3.5'' SATA HDD 8 TB
ST8000VN0002 Seagate IronWolf NAS 3.5'' SATA HDD 8 TB
ST8000VN0004 Seagate IronWolf NAS 3.5'' SATA HDD 8 TB
ST8000VN0022 Seagate IronWolf NAS 3.5'' SATA HDD 8 TB
ST8000VN004 Seagate IronWolf NAS 3.5'' SATA HDD 8 TB
ST8000VN004 - 3CP101 Seagate IronWolf NAS 3.5'' SATA HDD 8 TB
ST8000VX0002 Seagate SkyHawk Surveillance 3.5'' SATA HDD 8 TB
ST8000VX0022 Seagate SkyHawk Surveillance 3.5'' SATA HDD 8 TB
WD8001FFWX WD Red Pro NAS 3.5'' SATA HDD 8 TB
WD8003FFBX WD Red Pro NAS 3.5'' SATA HDD 8 TB
WD8004FRYZ WD Gold Enterprise 3.5'' SATA HDD 8 TB
WD80EFAX-68KNBN0 WD Red Plus NAS 3.5'' SATA HDD 8 TB
WD80EFBX-68AZZN0 WD Red Plus NAS 3.5'' SATA HDD 8 TB
WD80EFZX WD Red NAS 3.5'' SATA HDD 8 TB
WD80EJRX WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD80PURZ WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD80PUZX WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD81EJRX WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD81PURZ WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD82EJRX-89AD9Y0 WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD82EVRX-52DZFY0 WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD82PURX-64GVLYO WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD82PURX-69GVLY0 WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD82PURX-78GVLY0 WD Purple Surveillance 3.5'' SATA HDD 8 TB
WD82PURZ-85TEUY0 WD Purple Surveillance 3.5'' SATA HDD 8 TB
H3IKNAS600012872SA(0S03841) HGST NAS 3.5'' SATA HDD 6 TB
H3IKNAS600012872SE(0S03840) HGST NAS 3.5'' SATA HDD 6 TB
H3IKNAS600012872SJ(0S03842) HGST NAS 3.5'' SATA HDD 6 TB
H3IKNAS600012872SN(0S03839) HGST NAS 3.5'' SATA HDD 6 TB
HDN726060ALE610 HGST NAS 3.5'' SATA HDD 6 TB
MD06ACA600V Toshiba Surveillance 3.5'' SATA HDD 6 TB
MG04ACA600E Toshiba MG04 Enterprise 3.5'' SATA HDD 6 TB
MN05ACA600 Toshiba N300 NAS 3.5'' SATA HDD 6 TB
ST6000NE000 Seagate IronWolf Pro NAS 3.5'' SATA HDD 6 TB
ST6000NE000 - 3CS101 Seagate IronWolf Pro NAS 3.5'' SATA HDD 6 TB
ST6000NE0001 Seagate IronWolf Pro NAS 3.5'' SATA HDD 6 TB
ST6000NE0003 Seagate NAS HDD NAS 3.5'' SATA HDD 6 TB
ST6000NE0021 Seagate IronWolf Pro NAS 3.5'' SATA HDD 6 TB
ST6000NE0023 Seagate IronWolf Pro NAS 3.5'' SATA HDD 6 TB
ST6000NM021A Seagate Exos 7E8 Enterprise 3.5'' SATA HDD 6 TB
ST6000NT001 - 3M1101-500 Seagate IronWolf Pro NAS 3.5'' SATA HDD 6 TB
ST6000VN0001 Seagate NAS HDD NAS 3.5'' SATA HDD 6 TB
ST6000VN001 Seagate IronWolf NAS 3.5'' SATA HDD 6 TB
ST6000VN0021 Seagate IronWolf NAS 3.5'' SATA HDD 6 TB
ST6000VN0033 Seagate IronWolf NAS 3.5'' SATA HDD 6 TB
ST6000VN004 Seagate IronWolf NAS 3.5'' SATA HDD 6 TB
ST6000VN0041 Seagate IronWolf NAS 3.5'' SATA HDD 6 TB
ST6000VX0001 Seagate SkyHawk Surveillance 3.5'' SATA HDD 6 TB
ST6000VX0003 Seagate SkyHawk Surveillance 3.5'' SATA HDD 6 TB
ST6000VX0011 Seagate SkyHawk Surveillance 3.5'' SATA HDD 6 TB
ST6000VX0023 Seagate SkyHawk Surveillance 3.5'' SATA HDD 6 TB
WD6001FFWX WD Red Pro NAS 3.5'' SATA HDD 6 TB
WD6002FFWX WD Red Pro NAS 3.5'' SATA HDD 6 TB
WD6003FFBX WD Red Pro NAS 3.5'' SATA HDD 6 TB
WD6003FRYZ WD Gold Enterprise 3.5'' SATA HDD 6 TB
WD60EFRX WD Red Plus NAS 3.5'' SATA HDD 6 TB
WD60EJRX WD Purple Surveillance 3.5'' SATA HDD 6 TB
WD60PURX WD Purple Surveillance 3.5'' SATA HDD 6 TB
WD60PURZ WD Purple Surveillance 3.5'' SATA HDD 6 TB
WD6NPURX WD Purple NV Surveillance 3.5'' SATA HDD 6 TB
H3IKNAS500012872SA(0S03837) HGST NAS 3.5'' SATA HDD 5 TB
H3IKNAS500012872SE(0S03836) HGST NAS 3.5'' SATA HDD 5 TB
H3IKNAS500012872SJ(0S03838) HGST NAS 3.5'' SATA HDD 5 TB
H3IKNAS500012872SN(0S03835) HGST NAS 3.5'' SATA HDD 5 TB
HDN726050ALE610 HGST NAS 3.5'' SATA HDD 5 TB
MD04ABA500V Toshiba Surveillance 3.5'' SATA HDD 5 TB
MG04ACA500E Toshiba MG04 Enterprise 3.5'' SATA HDD 5 TB
ST5000VN001 Seagate IronWolf Pro NAS 3.5'' SATA HDD 5 TB
ST5000VX0011 Seagate SkyHawk Surveillance 3.5'' SATA HDD 5 TB
WD5001FFWX WD Red Pro NAS 3.5'' SATA HDD 5 TB
WD50EFRX WD Red Plus NAS 3.5'' SATA HDD 5 TB
WD50PURX WD Purple Surveillance 3.5'' SATA HDD 5 TB
MD03ACA400V Toshiba Surveillance 3.5'' SATA HDD 4 TB
MG04ACA400E Toshiba MG04 Enterprise 3.5'' SATA HDD 4 TB
MN04ACA400 Toshiba N300 NAS 3.5'' SATA HDD 4 TB
ST4000NE000 Seagate IronWolf Pro NAS 3.5'' SATA HDD 4 TB
ST4000NE001 Seagate IronWolf Pro NAS 3.5'' SATA HDD 4 TB
ST4000NE001 - 3CR101 Seagate IronWolf Pro NAS 3.5'' SATA HDD 4 TB
ST4000NE0015 Seagate IronWolf Pro NAS 3.5'' SATA HDD 4 TB
ST4000NE0025 Seagate IronWolf Pro NAS 3.5'' SATA HDD 4 TB
ST4000NM002A Seagate Exos 7E8 Enterprise 3.5'' SATA HDD 4 TB
ST4000NT001 - 3M2101-500 Seagate IronWolf Pro NAS 3.5'' SATA HDD 4 TB
ST4000VN000 - 2AH166 Seagate IronWolf NAS 3.5'' SATA HDD 4 TB
ST4000VN001 Seagate NAS HDD NAS 3.5'' SATA HDD 4 TB
ST4000VN003 Seagate NAS HDD NAS 3.5'' SATA HDD 4 TB
ST4000VN006 - 3CW104-500 Seagate IronWolf NAS 3.5'' SATA HDD 4 TB
ST4000VN008 Seagate IronWolf NAS 3.5'' SATA HDD 4 TB
ST4000VX000 Seagate SkyHawk Surveillance 3.5'' SATA HDD 4 TB
ST4000VX002 Seagate SkyHawk Surveillance 3.5'' SATA HDD 4 TB
ST4000VX007 Seagate SkyHawk Surveillance 3.5'' SATA HDD 4 TB
WD4001FFSX WD Red Pro NAS 3.5'' SATA HDD 4 TB
WD4002FFWX WD Red Pro NAS 3.5'' SATA HDD 4 TB
WD4003FFBX WD Red Pro NAS 3.5'' SATA HDD 4 TB
WD4003FRYZ WD Gold Enterprise 3.5'' SATA HDD 4 TB
WD40EFRX WD Red Plus NAS 3.5'' SATA HDD 4 TB
WD40EFZX-68AWUN0 WD Red Plus NAS 3.5'' SATA HDD 4 TB
WD40EJRX WD Purple Surveillance 3.5'' SATA HDD 4 TB
WD40PURX WD Purple Surveillance 3.5'' SATA HDD 4 TB
WD40PURZ WD Purple Surveillance 3.5'' SATA HDD 4 TB
WD4NPURX WD Purple NV Surveillance 3.5'' SATA HDD 4 TB
ZA4000NM10002 Seagate IronWolf 125 NAS 2.5" SATA SSD 4 TB
XA3840LE10063 Seagate Nytro 1351 Enterprise 2.5" SATA SSD 3.84 TB
ZA3840NM10001 Seagate IronWolf 110 NAS 2.5" SATA SSD 3.84 TB
ZA3840NX10001 Seagate IronWolf Pro 125 NAS 2.5" SATA SSD 3.84 TB
H3IKNAS30003272SA(0S03662) HGST NAS 3.5'' SATA HDD 3 TB
H3IKNAS30003272SE(0S03661) HGST NAS 3.5'' SATA HDD 3 TB
H3IKNAS30003272SJ(0S03663) HGST NAS 3.5'' SATA HDD 3 TB
H3IKNAS30003272SN(0S03660) HGST NAS 3.5'' SATA HDD 3 TB
MD03ACA300V Toshiba Surveillance 3.5'' SATA HDD 3 TB
MG04ACA300E Toshiba MG04 Enterprise 3.5'' SATA HDD 3 TB
ST3000VN007 Seagate IronWolf NAS 3.5'' SATA HDD 3 TB
ST3000VX005 Seagate SkyHawk Surveillance 3.5'' SATA HDD 3 TB
ST3000VX006 Seagate SkyHawk Surveillance 3.5'' SATA HDD 3 TB
ST3000VX010 Seagate SkyHawk Surveillance 3.5'' SATA HDD 3 TB
WD3001FFSX WD Red Pro NAS 3.5'' SATA HDD 3 TB
WD30EFRX WD Red Plus NAS 3.5'' SATA HDD 3 TB
WD30EFZX-68AWUN0 WD Red Plus NAS 3.5'' SATA HDD 3 TB
WD30EJRX WD Purple Surveillance 3.5'' SATA HDD 3 TB
WD30PURX WD Purple Surveillance 3.5'' SATA HDD 3 TB
WD30PURZ WD Purple Surveillance 3.5'' SATA HDD 3 TB
MD03ACA200V Toshiba Surveillance 3.5'' SATA HDD 2 TB
MG04ACA200E Toshiba MG04 Enterprise 3.5'' SATA HDD 2 TB
SKC6002048G Kingston KC600 Consumer 2.5" SATA SSD 2 TB
ST2000NM001A Seagate Exos 7E8 Enterprise 3.5'' SATA HDD 2 TB
ST2000NT001 - 3M3101-500 Seagate IronWolf Pro NAS 3.5'' SATA HDD 2 TB
ST2000VN000 Seagate NAS HDD NAS 3.5'' SATA HDD 2 TB
ST2000VN001 Seagate NAS HDD NAS 3.5'' SATA HDD 2 TB
ST2000VN004 Seagate IronWolf NAS 3.5'' SATA HDD 2 TB
ST2000VX003 Seagate SkyHawk Surveillance 3.5'' SATA HDD 2 TB
ST2000VX004 Seagate SkyHawk Surveillance 3.5'' SATA HDD 2 TB
ST2000VX005 Seagate SkyHawk Surveillance 3.5'' SATA HDD 2 TB
ST2000VX008 Seagate SkyHawk Surveillance 3.5'' SATA HDD 2 TB
WD2001FFSX WD Red Pro NAS 3.5'' SATA HDD 2 TB
WD2002FFSX WD Red Pro NAS 3.5'' SATA HDD 2 TB
WD2005FBYZ WD Gold Enterprise 3.5'' SATA HDD 2 TB
WD20EFRX WD Red Plus NAS 3.5'' SATA HDD 2 TB
WD20EFZX-68AWUN0 WD Red Plus NAS 3.5'' SATA HDD 2 TB
WD20EJRX WD Purple Surveillance 3.5'' SATA HDD 2 TB
WD20PURX WD Purple Surveillance 3.5'' SATA HDD 2 TB
WD20PURZ WD Purple Surveillance 3.5'' SATA HDD 2 TB
ZA2000NM10002 Seagate IronWolf 125 NAS 2.5" SATA SSD 2 TB
XA1920LE10063 Seagate Nytro 1351 Enterprise 2.5" SATA SSD 1.92 TB
ZA1920NM10001 Seagate IronWolf 110 NAS 2.5" SATA SSD 1.92 TB
ZA1920NX10001 Seagate IronWolf Pro 125 NAS 2.5" SATA SSD 1.92 TB
AP1TPPSS25-R Apacer PPSS25-R NAS 2.5" SATA SSD 1 TB
SKC6001024G Kingston KC600 Consumer 2.5" SATA SSD 1 TB
ST1000VN000-1HJ162 Seagate IronWolf NAS 3.5'' SATA HDD 1 TB
ST1000VN000-2D3102 Seagate IronWolf NAS 3.5'' SATA HDD 1 TB
ST1000VN002 Seagate IronWolf NAS 3.5'' SATA HDD 1 TB
ST1000VN008 - 3CW10C-500 Seagate IronWolf NAS 3.5'' SATA HDD 1 TB
ST1000VX001 Seagate SkyHawk Surveillance 3.5'' SATA HDD 1 TB
ST1000VX002 Seagate SkyHawk Surveillance 3.5'' SATA HDD 1 TB
ST1000VX003 Seagate SkyHawk Surveillance 3.5'' SATA HDD 1 TB
ST1000VX005 Seagate SkyHawk Surveillance 3.5'' SATA HDD 1 TB
WD1005FBYZ WD Gold Enterprise 3.5'' SATA HDD 1 TB
WD10EFRX WD Red Plus NAS 3.5'' SATA HDD 1 TB
WD10EJRX WD Purple Surveillance 3.5'' SATA HDD 1 TB
WD10JFCX WD Red Plus NAS 2.5'' SATA HDD 1 TB
WD10PURX WD Purple Surveillance 3.5'' SATA HDD 1 TB
WD10PURZ WD Purple Surveillance 3.5'' SATA HDD 1 TB
ZA1000NM10002 Seagate IronWolf 125 NAS 2.5" SATA SSD 1 TB
XA960LE10063 Seagate Nytro 1351 Enterprise 2.5" SATA SSD 960 GB
ZA960NM10001 Seagate IronWolf 110 NAS 2.5" SATA SSD 960 GB
ZA960NX10001 Seagate IronWolf Pro 125 NAS 2.5" SATA SSD 960 GB
AP512GPPSS25-R Apacer PPSS25-R NAS 2.5" SATA SSD 512 GB
SKC600512G Kingston KC600 Consumer 2.5" SATA SSD 512 GB
ZA500NM10002 Seagate IronWolf 125 NAS 2.5" SATA SSD 500 GB
XA480LE10063 Seagate Nytro 1351 Enterprise 2.5" SATA SSD 480 GB
ZA480NM10001 Seagate IronWolf 110 NAS 2.5" SATA SSD 480 GB
ZA480NX10001 Seagate IronWolf Pro 125 NAS 2.5" SATA SSD 480 GB
AP256GPPSS25-R Apacer PPSS25-R NAS 2.5" SATA SSD 256 GB
SKC600256G Kingston KC600 Consumer 2.5" SATA SSD 256 GB
ZA250NM10002 Seagate IronWolf 125 NAS 2.5" SATA SSD 250 GB
XA240LE10003 Seagate Nytro 1351 Enterprise 2.5" SATA SSD 240 GB
ZA240NM10001 Seagate IronWolf 110 NAS 2.5" SATA SSD 240 GB
ZA240NX10001 Seagate IronWolf Pro 125 NAS 2.5" SATA SSD 240 GB
AP128GPPSS25-R Apacer PPSS25-R NAS 2.5" SATA SSD 128 GB

Going big on the AS6004U?

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: Asustor security: DeadBolt 2022 & lockdown — ADM current, ports 8000/8001 closed.