NAS Drive Compatibility

Compatible hard drives for Synology DS223

127 drives are on Synology's official compatibility list (HCL) for the DS223, read from synology.com on 2026-10-28. The largest supported drive in this list is 24 TB — that is the practical ceiling for a full DS223 build.

Where to start

For a home NAS workload, the NAS/Plus lines balance sustained writes and rebuild tolerance over enterprise drive speed you will rarely use:

Full DS223 compatibility list

Grouped by drive model. "Max" shows the largest capacity Synology lists; multiple sizes are available per model number where listed separately.

DriveBrandLineClassTypeMax listed
HAT5320-24T Synology HAT5320 Enterprise 3.5" SATA HDD 24 TB
HAT3320-20T Synology HAT3320 Plus 3.5" SATA HDD 20 TB
HAT5310-20T Synology HAT5310 Enterprise 3.5" SATA HDD 20 TB
HAT5320-20T Synology HAT5320 Enterprise 3.5" SATA HDD 20 TB
HAT5310-18T Synology HAT5310 Enterprise 3.5" SATA HDD 18 TB
HAT3310-16T Synology HAT3310 Plus 3.5" SATA HDD 16 TB
HAT5300-16T Synology HAT5300 Enterprise 3.5" SATA HDD 16 TB
HAT5310-16T Synology HAT5310 Enterprise 3.5" SATA HDD 16 TB
ST16000VE000 Seagate SkyHawkAI Surveillance 3.5" SATA HDD 16 TB
ST16000VN001 - 2YU101 Seagate IronWolf NAS 3.5" SATA HDD 16 TB
HDWG21EAZSTA Toshiba N300 NAS 3.5" SATA HDD 14 TB
HDWG21EEZSTA Toshiba N300 NAS 3.5" SATA HDD 14 TB
HDWG21EUZSVA Toshiba N300 NAS 3.5" SATA HDD 14 TB
HDWG21EXZSTA Toshiba N300 NAS 3.5" SATA HDD 14 TB
HDWG21EYZSTA Toshiba N300 NAS 3.5" SATA HDD 14 TB
MN07ACA14T Toshiba MN07ACA*** NAS 3.5" SATA HDD 14 TB
ST14000VE0008 Seagate SkyHawkAI Surveillance 3.5" SATA HDD 14 TB
ST14000VN0008 - 2YT101 Seagate IronWolf NAS 3.5" SATA HDD 14 TB
WD140EFGX - 68B0GN0 Western Digital Red Plus NAS 3.5" SATA HDD 14 TB
HAT3300-12T Synology HAT3300 Plus 3.5" SATA HDD 12 TB
HAT3310-12T Synology HAT3310 Plus 3.5" SATA HDD 12 TB
HAT5300-12T Synology HAT5300 Enterprise 3.5" SATA HDD 12 TB
HDWG21CAZSTA Toshiba N300 NAS 3.5" SATA HDD 12 TB
HDWG21CEZSTA Toshiba N300 NAS 3.5" SATA HDD 12 TB
HDWG21CUZSVA Toshiba N300 NAS 3.5" SATA HDD 12 TB
HDWG21CXZSTA Toshiba N300 NAS 3.5" SATA HDD 12 TB
HDWG21CYZSTA Toshiba N300 NAS 3.5" SATA HDD 12 TB
MN07ACA12T Toshiba MN07ACA*** NAS 3.5" SATA HDD 12 TB
ST12000VE0008 Seagate SkyHawkAI Surveillance 3.5" SATA HDD 12 TB
ST12000VN0008 - 2YS101 Seagate IronWolf NAS 3.5" SATA HDD 12 TB
WD120EFBX - 68B0EN0 Western Digital Red Plus NAS 3.5" SATA HDD 12 TB
WD121PURZ - 85GUCY0 Western Digital Purple Surveillance 3.5" SATA HDD 12 TB
HDWG11AAZSTA Toshiba N300 NAS 3.5" SATA HDD 10 TB
HDWG11AEZSTA Toshiba N300 NAS 3.5" SATA HDD 10 TB
HDWG11AUZSVA Toshiba N300 NAS 3.5" SATA HDD 10 TB
HDWG11AXZSTA Toshiba N300 NAS 3.5" SATA HDD 10 TB
HDWG11AYZSTA Toshiba N300 NAS 3.5" SATA HDD 10 TB
MN06ACA10T Toshiba MN06ACA*** NAS 3.5" SATA HDD 10 TB
ST10000VE0008 Seagate SkyHawkAI Surveillance 3.5" SATA HDD 10 TB
ST10000VN000 - 3AK101 Seagate IronWolf NAS 3.5" SATA HDD 10 TB
WD101EFBX - 68B0AN0 Western Digital Red Plus NAS 3.5" SATA HDD 10 TB
WD102PURZ - 85BXPY0 Western Digital Purple Surveillance 3.5" SATA HDD 10 TB
HAT3300-8T Synology HAT3300 Plus 3.5" SATA HDD 8 TB
HAT3310-8T Synology HAT3310 Plus 3.5" SATA HDD 8 TB
HAT3320-8T Synology HAT3320 Plus 3.5" SATA HDD 8 TB
HAT5300-8T Synology HAT5300 Enterprise 3.5" SATA HDD 8 TB
HAT5310-8T Synology HAT5310 Enterprise 3.5" SATA HDD 8 TB
HAT5320-8T Synology HAT5320 Enterprise 3.5" SATA HDD 8 TB
HDWG480AZSTA Toshiba N300 NAS 3.5" SATA HDD 8 TB
HDWG480EZSTA Toshiba N300 NAS 3.5" SATA HDD 8 TB
HDWG480UZSVA Toshiba N300 NAS 3.5" SATA HDD 8 TB
HDWG480XZSTA Toshiba N300 NAS 3.5" SATA HDD 8 TB
HDWG480YZSTA Toshiba N300 NAS 3.5" SATA HDD 8 TB
MN08ADA800 Toshiba MN08AD NAS 3.5" SATA HDD 8 TB
ST8000VN002 - 2ZM188 Seagate IronWolf NAS 3.5" SATA HDD 8 TB
ST8000VN004 - 3CP101 Seagate IronWolf NAS 3.5" SATA HDD 8 TB
ST8000VX004 - 2M1101 Seagate SkyHawk Surveillance 3.5" SATA HDD 8 TB
WD80EFPX - 68C4ZN0 Western Digital Red Plus NAS 3.5" SATA HDD 8 TB
WD80EFZZ - 68BTXN0 Western Digital Red Plus NAS 3.5" SATA HDD 8 TB
WD82EJRX - 89AD9Y0 Western Digital Purple Surveillance 3.5" SATA HDD 8 TB
WD82EVRX - 52DZFY0 Western Digital Purple Surveillance 3.5" SATA HDD 8 TB
WD82PURX - 64GVLYO Western Digital Purple Surveillance 3.5" SATA HDD 8 TB
WD82PURX - 69GVLY0 Western Digital Purple Surveillance 3.5" SATA HDD 8 TB
WD82PURX - 78GVLY0 Western Digital Purple Surveillance 3.5" SATA HDD 8 TB
WD82PURZ - 85TEUY0 Western Digital Purple Surveillance 3.5" SATA HDD 8 TB
SAT5210-7000G Synology SAT5210 Enterprise 2.5" SATA SSD 7 TB
HAT3300-6T Synology HAT3300 Plus 3.5" SATA HDD 6 TB
HDWG460AZSTA Toshiba N300 NAS 3.5" SATA HDD 6 TB
HDWG460EZSTA Toshiba N300 NAS 3.5" SATA HDD 6 TB
HDWG460UZSVA Toshiba N300 NAS 3.5" SATA HDD 6 TB
HDWG460XZSTA Toshiba N300 NAS 3.5" SATA HDD 6 TB
HDWG460YZSTA Toshiba N300 NAS 3.5" SATA HDD 6 TB
MN08ADA600 Toshiba MN08AD NAS 3.5" SATA HDD 6 TB
ST6000VN001 - 2BB186 Seagate IronWolf NAS 3.5" SATA HDD 6 TB
ST6000VN006 - 2ZM186 Seagate IronWolf NAS 3.5" SATA HDD 6 TB
ST6000VX001 - 2BD186 Seagate SkyHawk Surveillance 3.5" SATA HDD 6 TB
WD60EFPX - 68C5ZN0 Western Digital Red Plus NAS 3.5" SATA HDD 6 TB
WD60EFZX - 68B3FN0 Western Digital Red Plus NAS 3.5" SATA HDD 6 TB
WD60EJRX Western Digital Purple Surveillance 3.5" SATA HDD 6 TB
WD60PURX - 64T0ZY0 Western Digital Purple Surveillance 3.5" SATA HDD 6 TB
WD60PURZ - 85ZUFY1 Western Digital Purple Surveillance 3.5" SATA HDD 6 TB
HAT3300-4T Synology HAT3300 Plus 3.5" SATA HDD 4 TB
HAT5300-4T Synology HAT5300 Enterprise 3.5" SATA HDD 4 TB
HAT5320-4T Synology HAT5320 Enterprise 3.5" SATA HDD 4 TB
HDWG440AZSTA Toshiba N300 NAS 3.5" SATA HDD 4 TB
HDWG440EZSTA Toshiba N300 NAS 3.5" SATA HDD 4 TB
HDWG440UZSVA Toshiba N300 NAS 3.5" SATA HDD 4 TB
HDWG440XZSTA Toshiba N300 NAS 3.5" SATA HDD 4 TB
HDWG440YZSTA Toshiba N300 NAS 3.5" SATA HDD 4 TB
MN08ADA400E Toshiba MN08AD NAS 3.5" SATA HDD 4 TB
ST4000VN006 - 3CW104 Seagate IronWolf NAS 3.5" SATA HDD 4 TB
WD40EFPX - 68C6CN0 Western Digital Red Plus NAS 3.5" SATA HDD 4 TB
WD40EFZX - 68AWUN0 Western Digital Red Plus NAS 3.5" SATA HDD 4 TB
WD40EJRX Western Digital Purple Surveillance 3.5" SATA HDD 4 TB
WD40PURX - 64GVNY0 Western Digital Purple Surveillance 3.5" SATA HDD 4 TB
WD40PURZ Western Digital Purple Surveillance 3.5" SATA HDD 4 TB
SAT5200-3840G Synology SAT5200 Enterprise 2.5" SATA SSD 3.84 TB
SAT5210-3840G Synology SAT5210 Enterprise 2.5" SATA SSD 3.84 TB
SAT5220-3840G Synology SAT5220 Enterprise 2.5" SATA SSD 3.84 TB
SAT5221-3840G Synology SAT5221 Enterprise 2.5" SATA SSD 3.84 TB
ST3000VN006 - 3CW10G Seagate IronWolf NAS 3.5" SATA HDD 3 TB
ST3000VX009 Seagate SkyHawk Surveillance 3.5" SATA HDD 3 TB
WD30EFPX - 68C6CN0 Western Digital Red Plus NAS 3.5" SATA HDD 3 TB
WD30EFZX - 68AWUN0 Western Digital Red Plus NAS 3.5" SATA HDD 3 TB
WD30EJRX Western Digital Purple Surveillance 3.5" SATA HDD 3 TB
WD30PURX Western Digital Purple Surveillance 3.5" SATA HDD 3 TB
WD30PURZ Western Digital Purple Surveillance 3.5" SATA HDD 3 TB
HAT3300-2T Synology HAT3300 Plus 3.5" SATA HDD 2 TB
ST2000VN003 - 3CW102 Seagate IronWolf NAS 3.5" SATA HDD 2 TB
WD20EFPX - 68C4TN0 Western Digital Red Plus NAS 3.5" SATA HDD 2 TB
WD20EFZX - 68AWUN0 Western Digital Red Plus NAS 3.5" SATA HDD 2 TB
WD20EJRX Western Digital Purple Surveillance 3.5" SATA HDD 2 TB
WD20PURX Western Digital Purple Surveillance 3.5" SATA HDD 2 TB
WD20PURZ Western Digital Purple Surveillance 3.5" SATA HDD 2 TB
SAT5200-1920G Synology SAT5200 Enterprise 2.5" SATA SSD 1.92 TB
SAT5210-1920G Synology SAT5210 Enterprise 2.5" SATA SSD 1.92 TB
SAT5220-1920G Synology SAT5220 Enterprise 2.5" SATA SSD 1.92 TB
SAT5221-1920G Synology SAT5221 Enterprise 2.5" SATA SSD 1.92 TB
ST1000VN008 - 3CW10C Seagate IronWolf NAS 3.5" SATA HDD 1 TB
SAT5200-960G Synology SAT5200 Enterprise 2.5" SATA SSD 960 GB
SAT5210-960G Synology SAT5210 Enterprise 2.5" SATA SSD 960 GB
SAT5220-960G Synology SAT5220 Enterprise 2.5" SATA SSD 960 GB
SAT5221-960G Synology SAT5221 Enterprise 2.5" SATA SSD 960 GB
SAT5200-480G Synology SAT5200 Enterprise 2.5" SATA SSD 480 GB
SAT5210-480G Synology SAT5210 Enterprise 2.5" SATA SSD 480 GB
SAT5220-480G Synology SAT5220 Enterprise 2.5" SATA SSD 480 GB
SAT5221-480G Synology SAT5221 Enterprise 2.5" SATA SSD 480 GB

For a full 24TB+ build on DS223

Enterprise lines (Seagate Exos, WD Ultrastar, Toshiba MG) are the only drives listed at the top of the capacity range. They are built for RAID duty and 7200RPM sustained writes — what a full-bay DS223 actually needs: