Compatible hard drives for QNAP TS-451D2

192 drives are on QNAP's official compatibility list for the TS-451D2, up to 20TB listed. Read from qnap.com, list refreshed 2026-11-03.

4-bay Legacy model

Intel Celeron J4025 2-core/2-thread processor · 4 GB SODIMM DDR4 · max 8 GB (2 x 4GB)

QNAP
CPUIntel Celeron J4025 2-core/2-thread processor, burst up to 2.9 GHz
Architecture64-bit x86
Memory (as shipped)4 GB SODIMM DDR4
Maximum memory8 GB (2 x 4GB)
Drive bays4 x 3.5-inch SATA 6Gb/s, 3Gb/s 2
192
Listed drives
123
NAS line
63
Enterprise line
6
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

20TB (2) 18TB (12) 16TB (15) 14TB (16) 12TB (14) 10TB (19) 8TB (28) 8TB & below (86)

Where to start on the TS-451D2

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 TS-451D2 compatibility list

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

DriveBrandSeriesLineTypeMax listed
ST20000NE000-3G5101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 20 TB
ST20000NT001-3LT101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 20 TB
HDWG51JAZSTA (HDWG51J*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 18 TB
HDWG51JEZSTA (HDWG51J*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 18 TB
HDWG51JUZSVA (HDWG51J*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 18 TB
HDWG51JXZSTA (HDWG51J*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 18 TB
HDWG51JYZSTA (HDWG51J*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 18 TB
MN09ACA18T Toshiba MN09 NAS SATA 6Gb/s (SATA III) 18 TB
ST18000NE000-2YY101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 18 TB
ST18000NE000-3G6101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 18 TB
ST18000NM000J Seagate EXOS x18 Enterprise SATA 6Gb/s (SATA III) 18 TB
ST18000NT001-3LU101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 18 TB
ST18000VN000-2YV101 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 18 TB
WD181KFGX-68AFPN0 Western Digital Red Pro NAS SATA 6Gb/s (SATA III) 18 TB
HDWG31GYZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 16 TB
HDWG51GAZSTA (HDWG51G*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 16 TB
HDWG51GEZSTA (HDWG51G*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 16 TB
HDWG51GUZSVA (HDWG51G*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 16 TB
HDWG51GXZSTA (HDWG51G*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 16 TB
HDWG51GYZSTA (HDWG51G*) Toshiba N300/N300 Pro NAS SATA 6Gb/s (SATA III) 16 TB
MN08ACA16T Toshiba MN NAS SATA 6Gb/s (SATA III) 16 TB
MN09ACA16T Toshiba MN09 NAS 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
ST16000NM000J Seagate EXOS x18 Enterprise SATA 6Gb/s (SATA III) 16 TB
ST16000NM001G Seagate Enterprise Enterprise SATA 6Gb/s (SATA III) 16 TB
ST16000NT001-3LV101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 16 TB
ST16000VN001-2YU101 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 16 TB
WD161KFGX-68AFPN0 Western Digital Red Pro NAS SATA 6Gb/s (SATA III) 16 TB
HDWG21EYZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 14 TB
HDWG31EYZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 14 TB
MG07ACA14TE Toshiba Enterprise Enterprise SATA 6Gb/s (SATA III) 14 TB
MN07ACA14T Toshiba MN NAS SATA 6Gb/s (SATA III) 14 TB
ST14000NE0008-2YX101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 14 TB
ST14000NE008 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 14 TB
ST14000NM000J Seagate EXOS x18 Enterprise SATA 6Gb/s (SATA III) 14 TB
ST14000NM001G Seagate EXOS x16 Enterprise SATA 6Gb/s (SATA III) 14 TB
ST14000NT001-3LW101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 14 TB
ST14000VN0008 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 14 TB
ST14000VN0008-2YT101 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 14 TB
WD140EFFX-68VBXN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 14 TB
WD140EFGX-68B0GN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 14 TB
WD141KRYZ Western Digital Surveillance Gold Enterprise SATA 6Gb/s (SATA III) 14 TB
WD141VRYZ Western Digital Surveillance Gold Enterprise SATA 6Gb/s (SATA III) 14 TB
WUH721414ALE6L4 Western Digital Ultrastar DC HC530 Enterprise SATA 6Gb/s (SATA III) 14 TB
HDWG21CYZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 12 TB
HUH721212ALE600 Western Digital Ultrastar DC HC520 Enterprise SATA 6Gb/s (SATA III) 12 TB
MN07ACA12T Toshiba MN 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
ST12000NM000J Seagate EXOS x18 Enterprise SATA 6Gb/s (SATA III) 12 TB
ST12000NM001G Seagate EXOS x16 Enterprise SATA 6Gb/s (SATA III) 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
ST12000VN0008-2YS101 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 12 TB
WD120EFAX-68UNTN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 12 TB
WD120EFBX-68B0EN0 Western Digital Red Plus 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
HDWG11AYZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 10 TB
HUH721010ALE600 Western Digital Ultrastar DC HC510 Enterprise SATA 6Gb/s (SATA III) 10 TB
MN06ACA10T Toshiba MN06 NAS SATA 6Gb/s (SATA III) 10 TB
ST10000NE000-3AP101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 10 TB
ST10000NE008 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 10 TB
ST10000NM001G Seagate EXOS x16 Enterprise SATA 6Gb/s (SATA III) 10 TB
ST10000NM018G-3CD103 Seagate EXOS x18 Enterprise SATA 6Gb/s (SATA III) 10 TB
ST10000NT001-3LY101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 10 TB
ST10000VN000-3AK101 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 10 TB
ST10000VN0004 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 10 TB
ST10000VN0008-2PJ103 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 10 TB
ST10000VX0004 Seagate Surveillance SKYHAWK Surveillance SATA 6Gb/s (SATA III) 10 TB
WD100EFAX Western Digital NAS NAS SATA 6Gb/s (SATA III) 10 TB
WD101EFAX-68LDBN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 10 TB
WD101EFBX-68B0AN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 10 TB
WD102KFBX Western Digital Red Pro NAS 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
HDWG180YZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 8 TB
HDWG480AZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 8 TB
HDWG480EZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 8 TB
HDWG480UZSVA Toshiba N300 NAS SATA 6Gb/s (SATA III) 8 TB
HDWG480XZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 8 TB
HDWG480YZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 8 TB
HUS728T8TALE6L4 Western Digital Ultrastar DC HC320 Enterprise SATA 6Gb/s (SATA III) 8 TB
MG08ADA800E Toshiba MG08-D Enterprise SATA 6Gb/s (SATA III) 8 TB
MG08ADA800EY Toshiba MG08-D Enterprise SATA 6Gb/s (SATA III) 8 TB
MN08ADA800 Toshiba MN NAS SATA 6Gb/s (SATA III) 8 TB
ST8000NE001 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 8 TB
ST8000NE001-3CT101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 8 TB
ST8000NM000A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000NM0055 Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000NT001-3LZ101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 8 TB
ST8000VN002-2ZM188 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 8 TB
ST8000VN0022 Seagate NAS NAS SATA 6Gb/s (SATA III) 8 TB
ST8000VN004 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 8 TB
ST8000VN004-3CP101 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 8 TB
ST8000VN007-3JG188 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 8 TB
WD8003FFBX Western Digital Red Pro NAS 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
WD80EFAX-68KNBN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 8 TB
WD80EFBX-68AZZN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 8 TB
WD80EFZX Western Digital NAS NAS SATA 6Gb/s (SATA III) 8 TB
WD80EFZX-68B3CN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 8 TB
WD80EFZZ-68BTXN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 8 TB
HDN726060ALE614 HGST NAS NAS SATA 6Gb/s (SATA III) 6 TB
HDWG160YZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 6 TB
HDWG460YZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 6 TB
HDWN160YZSTA (MN05ACA600) Toshiba N300 NAS SATA 6Gb/s (SATA III) 6 TB
HUS726T6TALE6L4 Western Digital Ultrastar DC HC310 Enterprise SATA 6Gb/s (SATA III) 6 TB
MG08ADA600E Toshiba MG08-D Enterprise SATA 6Gb/s (SATA III) 6 TB
MG08ADA600EY Toshiba MG08-D Enterprise SATA 6Gb/s (SATA III) 6 TB
MN08ADA600 Toshiba MN NAS SATA 6Gb/s (SATA III) 6 TB
ST6000NE000-3CS101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 6 TB
ST6000NE0023 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 6 TB
ST6000NM002A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000NM0115 Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000NM021A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000NT001-3M1101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 6 TB
ST6000VN001 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 6 TB
ST6000VN0021 Seagate NAS NAS SATA 6Gb/s (SATA III) 6 TB
ST6000VN0033 Seagate Surveillance Surveillance SATA 6Gb/s (SATA III) 6 TB
ST6000VN006-2ZM186 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 6 TB
ST6000VN007​-3JG186 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 6 TB
ST6000VX0003 Seagate Surveillance Surveillance 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
WD60EFAX Western Digital Red NAS SATA 6Gb/s (SATA III) 6 TB
WD60EFPX-68C5ZN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 6 TB
WD60EFRX (Red NASware 3.0) Western Digital NAS NAS SATA 6Gb/s (SATA III) 6 TB
WD60EFZX-68B3FN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 6 TB
HDWG440AZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 4 TB
HDWG440EZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 4 TB
HDWG440UZSVA Toshiba N300 NAS SATA 6Gb/s (SATA III) 4 TB
HDWG440XZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 4 TB
HDWG440YZSTA Toshiba N300 NAS SATA 6Gb/s (SATA III) 4 TB
HDWQ140YZSTA (MN04ACA400) Toshiba N300 NAS SATA 6Gb/s (SATA III) 4 TB
HUS726T4TALE6L4 Western Digital Ultrastar DC HC310 Enterprise SATA 6Gb/s (SATA III) 4 TB
MG08ADA400E Toshiba MG08-D Enterprise SATA 6Gb/s (SATA III) 4 TB
MG08ADA400EY Toshiba MG08-D Enterprise SATA 6Gb/s (SATA III) 4 TB
MN08ADA400 Toshiba MN NAS SATA 6Gb/s (SATA III) 4 TB
ST4000NE001-3CR101 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 4 TB
ST4000NE0025 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 4 TB
ST4000NM000A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000NM002A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000NM0035 Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000NT001-3M2101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 4 TB
ST4000VN006-3CW104 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 4 TB
ST4000VN008 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 4 TB
ST4000VN013​-3JF104 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 4 TB
ST4000VX007 Seagate Surveillance SKYHAWK Surveillance 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
WD40EFAX Western Digital Red NAS SATA 6Gb/s (SATA III) 4 TB
WD40EFPX-68C6CN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 4 TB
WD40EFZX-68AWUN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 4 TB
WD40EJRX Western Digital Surveillance Surveillance SATA 6Gb/s (SATA III) 4 TB
HDN724030ALE640 HGST NAS NAS SATA 6Gb/s (SATA III) 3 TB
ST3000NM000A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 3 TB
ST3000VN000 Seagate NAS NAS SATA 6Gb/s (SATA III) 3 TB
ST3000VN006-3CW10G Seagate IronWolf NAS SATA 6Gb/s (SATA III) 3 TB
ST3000VN007 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 3 TB
ST3000VN011​-3JF10G Seagate IronWolf NAS SATA 6Gb/s (SATA III) 3 TB
ST3000VX006 Seagate Surveillance Surveillance SATA 6Gb/s (SATA III) 3 TB
WD30EFAX Western Digital Red NAS SATA 6Gb/s (SATA III) 3 TB
WD30EFPX-68C6CN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 3 TB
WD30EFZX-68AWUN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 3 TB
HUS722T2TALA604 Western Digital Ultrastar DC HA210 Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NE0025 Seagate IronWolf Pro NAS SATA 6Gb/s (SATA III) 2 TB
ST2000NM000A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NM001A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000NT001-3M3101 Seagate IronWolf Pro Enterprise SATA 6Gb/s (SATA III) 2 TB
ST2000VN003-3CW102 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 2 TB
ST2000VN004 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 2 TB
ST2000VN009​-3JF102 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 2 TB
WD2002FFSX Western Digital Red Pro NAS 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
WD20EFAX Western Digital Red NAS SATA 6Gb/s (SATA III) 2 TB
WD20EFZX-68AWUN0 Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 2 TB
HUS722T1TALA604 Western Digital Ultrastar DC HA210 Enterprise SATA 6Gb/s (SATA III) 1 TB
HUS722T1TALA605 Western Digital Enterprise Enterprise SATA 6Gb/s (SATA III) 1 TB
ST1000NM000A Seagate Exos 7E8 Enterprise SATA 6Gb/s (SATA III) 1 TB
ST1000VN002 Seagate IronWolf NAS SATA 6Gb/s (SATA III) 1 TB
ST1000VN008-3CW10C Seagate IronWolf NAS SATA 6Gb/s (SATA III) 1 TB
ST1000VN009​-3JF10C Seagate IronWolf NAS 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
WD10EFRX (Red NASware 3.0) Western Digital Red Plus NAS SATA 6Gb/s (SATA III) 1 TB

Going big on the TS-451D2?

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.