Compatible hard drives for Synology DS209j
218 drives are on Synology's official compatibility list (HCL) for the DS209j, read from synology.com on 2026-10-28. The largest supported drive in this list is 4 TB — that is the practical ceiling for a full DS209j build.
Full DS209j compatibility list
Grouped by drive model. "Max" shows the largest capacity Synology lists; multiple sizes are available per model number where listed separately.
| Drive | Brand | Line | Class | Type | Max listed |
|---|---|---|---|---|---|
| 0S03355 | Western Digital | Desktop | 3.5" SATA HDD | 4 TB | |
| H3IK40003272SE - 0S03356 | Western Digital | Desktop | 3.5" SATA HDD | 4 TB | |
| H3IK40003272SW - 0S03363 | Western Digital | Desktop | 3.5" SATA HDD | 4 TB | |
| HDS724040ALE640 - 0F14681 | Western Digital | Desktop | 3.5" SATA HDD | 4 TB | |
| HUS724040ALE640 (0F14683) | Western Digital | Enterprise | 3.5" SATA HDD | 4 TB | |
| ST4000DX000 | Seagate | Desktop | 3.5" SATA HDD | 4 TB | |
| H3IK30003272SW - 0S03208 | Western Digital | Desktop | 3.5" SATA HDD | 3 TB | |
| HDS5C3030ALA630 - 0F12460 | Western Digital | Desktop | 3.5" SATA HDD | 3 TB | |
| HDS723030ALA640 - 0F12450 | Western Digital | Desktop | 3.5" SATA HDD | 3 TB | |
| HUA723030ALA640 - 0F12456 | Western Digital | Enterprise | 3.5" SATA HDD | 3 TB | |
| HUS724030ALE640 - 0F14684 | Western Digital | Enterprise | 3.5" SATA HDD | 3 TB | |
| ST3000DM001 - 1CH166 | Seagate | Desktop | 3.5" SATA HDD | 3 TB | |
| ST33000650NS | Seagate | Enterprise | 3.5" SATA HDD | 3 TB | |
| ST33000651AS | Seagate | Desktop | 3.5" SATA HDD | 3 TB | |
| WD30EURS - 63R8UY0 | Western Digital | Surveillance | 3.5" SATA HDD | 3 TB | |
| WD30EZRS (WD30EZRSDTL)-11J99B0 | Western Digital | Desktop | 3.5" SATA HDD | 3 TB | |
| WD30EZRX (WDBAAY0030HNC-NRSN) | Western Digital | Desktop | 3.5" SATA HDD | 3 TB | |
| WD25EZRX - 22MMMB0 | Western Digital | Desktop | 3.5" SATA HDD | 2.5 TB | |
| HD203WI | Samsung | Desktop | 3.5" SATA HDD | 2 TB | |
| HD204UI (ST2000DL004) | Samsung | Desktop | 3.5" SATA HDD | 2 TB | |
| HDS722020ALA330 - 0F10311 | Western Digital | Desktop | 3.5" SATA HDD | 2 TB | |
| HDS723020BLA642 - 0F12115 | Western Digital | Desktop | 3.5" SATA HDD | 2 TB | |
| HUA722020ALA330 - 0F10452 | Western Digital | Enterprise | 3.5" SATA HDD | 2 TB | |
| HUA723020ALA640 - 0F12455 | Western Digital | Enterprise | 3.5" SATA HDD | 2 TB | |
| HUS724020ALE640 - 0F14685 | Western Digital | Enterprise | 3.5" SATA HDD | 2 TB | |
| ST2000DL003 | Seagate | Desktop | 3.5" SATA HDD | 2 TB | |
| ST2000NM0011 | Seagate | Enterprise | 3.5" SATA HDD | 2 TB | |
| ST2000VX002 | Seagate | Surveillance | 3.5" SATA HDD | 2 TB | |
| ST32000542AS | Seagate | Desktop | 3.5" SATA HDD | 2 TB | |
| ST320005N4A1AS-RK | Seagate | Desktop | 3.5" SATA HDD | 2 TB | |
| ST32000641AS | Seagate | Desktop | 3.5" SATA HDD | 2 TB | |
| ST32000644NS | Seagate | Enterprise | 3.5" SATA HDD | 2 TB | |
| ST32000645NS | Seagate | Enterprise | 3.5" SATA HDD | 2 TB | |
| WD2001FASS - 00U0B0 | Western Digital | Desktop | 3.5" SATA HDD | 2 TB | |
| WD2002FAEX - 007BA0 | Western Digital | Black | Desktop | 3.5" SATA HDD | 2 TB |
| WD2002FYPS - 02W3B0 | Western Digital | Enterprise | 3.5" SATA HDD | 2 TB | |
| WD2003FYYS - 02W0B0, 01T8B0 | Western Digital | Enterprise | 3.5" SATA HDD | 2 TB | |
| WD20EADS - 00R6B0 | Western Digital | Desktop | 3.5" SATA HDD | 2 TB | |
| WD20EARS - 00S8B1 | Western Digital | Desktop | 3.5" SATA HDD | 2 TB | |
| WD20EARX | Western Digital | Desktop | 3.5" SATA HDD | 2 TB | |
| WD20EURS | Western Digital | Surveillance | 3.5" SATA HDD | 2 TB | |
| WD20EVDS - 63T3B0 | Western Digital | Surveillance | 3.5" SATA HDD | 2 TB | |
| WD20EZRX | Western Digital | Green | Desktop | 3.5" SATA HDD | 2 TB |
| HD153WI | Samsung | Desktop | 3.5" SATA HDD | 1.5 TB | |
| HD154UI | Samsung | Desktop | 3.5" SATA HDD | 1.5 TB | |
| HDS723015BLA642 - 0F12114 | Western Digital | Desktop | 3.5" SATA HDD | 1.5 TB | |
| ST1500DL003 | Seagate | Desktop | 3.5" SATA HDD | 1.5 TB | |
| ST1500DM003 | Seagate | Desktop | 3.5" SATA HDD | 1.5 TB | |
| ST31500341AS | Seagate | Desktop | 3.5" SATA HDD | 1.5 TB | |
| ST31500541AS | Seagate | Desktop | 3.5" SATA HDD | 1.5 TB | |
| WD1501FASS - 00U0B0 | Western Digital | Desktop | 3.5" SATA HDD | 1.5 TB | |
| WD1502FAEX - 007BA0 | Western Digital | Black | Desktop | 3.5" SATA HDD | 1.5 TB |
| WD1502FYPS | Western Digital | Enterprise | 3.5" SATA HDD | 1.5 TB | |
| WD1503FYYS - 02W0B0 | Western Digital | Enterprise | 3.5" SATA HDD | 1.5 TB | |
| WD15EADS - 00R6B0 | Western Digital | Desktop | 3.5" SATA HDD | 1.5 TB | |
| WD15EARS - 00Z5B1 | Western Digital | Desktop | 3.5" SATA HDD | 1.5 TB | |
| WD15EARX - 00PASB0 | Western Digital | Desktop | 3.5" SATA HDD | 1.5 TB | |
| WD15EURS | Western Digital | Surveillance | 3.5" SATA HDD | 1.5 TB | |
| HD103SI-F2EG | Samsung | Desktop | 3.5" SATA HDD | 1 TB | |
| HD103SJ (ST1000DM005) | Samsung | Desktop | 3.5" SATA HDD | 1 TB | |
| HD103UI-F1EG | Samsung | Desktop | 3.5" SATA HDD | 1 TB | |
| HD103UJ | Samsung | Desktop | 3.5" SATA HDD | 1 TB | |
| HD105SI | Samsung | Desktop | 3.5" SATA HDD | 1 TB | |
| HDE721010SLA330 - 0A38028 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| HDS721010CLA332 - 0F10383 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| HDS721010KLA330 - 0A34915 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| HDT721010SLA360 - 0A38016 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| HE103SJ | Samsung | Desktop | 3.5" SATA HDD | 1 TB | |
| HE103UJ | Samsung | Desktop | 3.5" SATA HDD | 1 TB | |
| HM100UI | Samsung | Desktop | 2.5" SATA HDD | 1 TB | |
| HN-M101MBB | Samsung | Desktop | 2.5" SATA HDD | 1 TB | |
| MK1002TSKB | Toshiba | Enterprise | 3.5" SATA HDD | 1 TB | |
| MK1059GSM | Toshiba | Desktop | 2.5" SATA HDD | 1 TB | |
| ST1000DL003 | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST1000DM003 | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST1000NM0011 | Seagate | Enterprise | 3.5" SATA HDD | 1 TB | |
| ST31000322CS | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST31000333AS | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST31000340AS | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST31000340NS | Seagate | Enterprise | 3.5" SATA HDD | 1 TB | |
| ST31000340SV | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST31000424CS | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST31000520AS | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST31000524AS | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST31000524NS | Seagate | Enterprise | 3.5" SATA HDD | 1 TB | |
| ST31000525SV | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST31000528AS (ST310005N1A1AS-RK) | Seagate | Desktop | 3.5" SATA HDD | 1 TB | |
| ST91000640NS | Seagate | Enterprise | 2.5" SATA HDD | 1 TB | |
| WD1000DHTZ - 04N21V2 | Western Digital | Enterprise | 3.5" SATA HDD | 1 TB | |
| WD1000FYPS - 01ZKB0 | Western Digital | Enterprise | 3.5" SATA HDD | 1 TB | |
| WD1001FALS - 00J7B0 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| WD1002FAEX - 00Z3A0 | Western Digital | Black | Desktop | 3.5" SATA HDD | 1 TB |
| WD1002FBYS - 01A6B0 | Western Digital | Enterprise | 3.5" SATA HDD | 1 TB | |
| WD1003FBYX - 01Y7B | Western Digital | Enterprise | 3.5" SATA HDD | 1 TB | |
| WD10EACS - 00ZJB0 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| WD10EADS - 00L5B1 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| WD10EALS - 00Z8A0 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| WD10EALX - 229BA1 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| WD10EARS - 00Y5B1 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| WD10EARX - 22N0YB0 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| WD10EURS | Western Digital | Surveillance | 3.5" SATA HDD | 1 TB | |
| WD10EURX - 63FH1YO | Western Digital | Surveillance | 3.5" SATA HDD | 1 TB | |
| WD10EZEX - 00RKKA0 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| WD10EZRX - 00A8LB0 | Western Digital | Desktop | 3.5" SATA HDD | 1 TB | |
| WD10JPVT - 00A1YT0 | Western Digital | Desktop | 2.5" SATA HDD | 1 TB | |
| WD10TPVT - 00HT5T0 | Western Digital | Desktop | 2.5" SATA HDD | 1 TB | |
| WD8000AARS - 00Y5B1 | Western Digital | Desktop | 3.5" SATA HDD | 800 GB | |
| HD753LJ | Samsung | Desktop | 3.5" SATA HDD | 750 GB | |
| HE753LJ | Samsung | Desktop | 3.5" SATA HDD | 750 GB | |
| MK7559GSXP | Toshiba | Desktop | 2.5" SATA HDD | 750 GB | |
| ST3750330NS | Seagate | Enterprise | 3.5" SATA HDD | 750 GB | |
| ST3750525AS | Seagate | Desktop | 3.5" SATA HDD | 750 GB | |
| ST3750528AS | Seagate | Desktop | 3.5" SATA HDD | 750 GB | |
| ST3750640AS | Seagate | Desktop | 3.5" SATA HDD | 750 GB | |
| ST3750640NS | Seagate | Enterprise | 3.5" SATA HDD | 750 GB | |
| ST750DM003 | Seagate | Desktop | 3.5" SATA HDD | 750 GB | |
| ST9750420AS | Seagate | Desktop | 2.5" SATA HDD | 750 GB | |
| WD7500AACS | Western Digital | Desktop | 3.5" SATA HDD | 750 GB | |
| WD7500AARS - 00Y5B1 | Western Digital | Desktop | 3.5" SATA HDD | 750 GB | |
| WD7500AARX - 00N0YB0 | Western Digital | Desktop | 3.5" SATA HDD | 750 GB | |
| WD7500AYPS | Western Digital | RE2-GP | Enterprise | 3.5" SATA HDD | 750 GB |
| WD7500AYYS | Western Digital | Enterprise | 3.5" SATA HDD | 750 GB | |
| WD7500BPKT - 22PK4T0 | Western Digital | Desktop | 2.5" SATA HDD | 750 GB | |
| WD7500KEVT - 00A28T0 | Western Digital | Desktop | 2.5" SATA HDD | 750 GB | |
| WD7501AALS | Western Digital | Desktop | 3.5" SATA HDD | 750 GB | |
| WD7502ABYS | Western Digital | Enterprise | 3.5" SATA HDD | 750 GB | |
| MK6459GSXP | Toshiba | Desktop | 2.5" SATA HDD | 640 GB | |
| WD6400AAKS | Western Digital | Desktop | 3.5" SATA HDD | 640 GB | |
| WD6000BLHX | Western Digital | Enterprise | 2.5" SATA HDD | 600 GB | |
| WD6000HLHX | Western Digital | Enterprise | 3.5" SATA HDD | 600 GB | |
| 6H500F0 | Maxtor | Desktop | 3.5" SATA HDD | 500 GB | |
| 7H500F0 | Maxtor | Enterprise | 3.5" SATA HDD | 500 GB | |
| HD502HI | Samsung | Desktop | 3.5" SATA HDD | 500 GB | |
| HD502HJ | Samsung | Desktop | 3.5" SATA HDD | 500 GB | |
| HDP725050GLA360 - 0A35415 | Western Digital | Desktop | 3.5" SATA HDD | 500 GB | |
| HE502IJ | Samsung | Desktop | 3.5" SATA HDD | 500 GB | |
| HM500JI | Samsung | Desktop | 2.5" SATA HDD | 500 GB | |
| HTS545050B9A300 - 0A57915 | Western Digital | Desktop | 2.5" SATA HDD | 500 GB | |
| MJA2500BH-G2 | Fujitsu | Desktop | 2.5" SATA HDD | 500 GB | |
| MK5055GSX | Toshiba | Desktop | 2.5" SATA HDD | 500 GB | |
| MK5059GSXP | Toshiba | Desktop | 2.5" SATA HDD | 500 GB | |
| MK5061GSYN | Toshiba | Desktop | 2.5" SATA HDD | 500 GB | |
| ST3500320AS | Seagate | Desktop | 3.5" SATA HDD | 500 GB | |
| ST3500413AS | Seagate | Desktop | 3.5" SATA HDD | 500 GB | |
| ST3500418AS | Seagate | Desktop | 3.5" SATA HDD | 500 GB | |
| ST3500514NS | Seagate | Enterprise | 3.5" SATA HDD | 500 GB | |
| ST3500630AS | Seagate | Desktop | 3.5" SATA HDD | 500 GB | |
| ST3500641AS | Seagate | Desktop | 3.5" SATA HDD | 500 GB | |
| ST9500325AS | Seagate | Desktop | 2.5" SATA HDD | 500 GB | |
| ST9500420AS | Seagate | Desktop | 2.5" SATA HDD | 500 GB | |
| WD5000AACS | Western Digital | Desktop | 3.5" SATA HDD | 500 GB | |
| WD5000AADS - 00S9B0 | Western Digital | Desktop | 3.5" SATA HDD | 500 GB | |
| WD5000AAKS | Western Digital | Desktop | 3.5" SATA HDD | 500 GB | |
| WD5000AAKX - 003CA0 | Western Digital | Desktop | 3.5" SATA HDD | 500 GB | |
| WD5000AZRX - 00A8LB0 | Western Digital | Desktop | 3.5" SATA HDD | 500 GB | |
| WD5000BEKT - 00KA9T0 | Western Digital | Desktop | 2.5" SATA HDD | 500 GB | |
| WD5000BEVT | Western Digital | Desktop | 2.5" SATA HDD | 500 GB | |
| WD5000HHTZ | Western Digital | Enterprise | 3.5" SATA HDD | 500 GB | |
| WD5000KS | Western Digital | Desktop | 3.5" SATA HDD | 500 GB | |
| WD5000YS | Western Digital | Enterprise | 3.5" SATA HDD | 500 GB | |
| WD5002ABYS | Western Digital | Enterprise | 3.5" SATA HDD | 500 GB | |
| WD5003ABYX - 01WERA0 | Western Digital | Enterprise | 3.5" SATA HDD | 500 GB | |
| WD4500BLHX | Western Digital | Enterprise | 2.5" SATA HDD | 450 GB | |
| WD4500HLHX | Western Digital | Enterprise | 3.5" SATA HDD | 450 GB | |
| HDS724040KLSA80 | Western Digital | Desktop | 3.5" SATA HDD | 400 GB | |
| ST3400620AS | Seagate | Desktop | 3.5" SATA HDD | 400 GB | |
| ST3400832AS | Seagate | Desktop | 3.5" SATA HDD | 400 GB | |
| WD4000KS | Western Digital | Desktop | 3.5" SATA HDD | 400 GB | |
| WD4000YS | Western Digital | Enterprise | 3.5" SATA HDD | 400 GB | |
| HD322GJ | Samsung | Desktop | 3.5" SATA HDD | 320 GB | |
| HTS723232L9A360 - 0A57547 | Western Digital | Desktop | 2.5" SATA HDD | 320 GB | |
| MHZ2320BJ | Fujitsu | Desktop | 2.5" SATA HDD | 320 GB | |
| MK3259GSXP | Toshiba | Desktop | 2.5" SATA HDD | 320 GB | |
| ST3320413AS | Seagate | Desktop | 3.5" SATA HDD | 320 GB | |
| ST9320325AS | Seagate | Desktop | 2.5" SATA HDD | 320 GB | |
| ST9320421AS | Seagate | Desktop | 2.5" SATA HDD | 320 GB | |
| WD3200BEKT | Western Digital | Desktop | 2.5" SATA HDD | 320 GB | |
| WD3202ABYS - 02B7A0 | Western Digital | Enterprise | 3.5" SATA HDD | 320 GB | |
| 6V300F0 | Maxtor | Desktop | 3.5" SATA HDD | 300 GB | |
| 7V300F0 | Maxtor | Enterprise | 3.5" SATA HDD | 300 GB | |
| ST3300831AS | Seagate | Desktop | 3.5" SATA HDD | 300 GB | |
| WD3000BLHX | Western Digital | Enterprise | 2.5" SATA HDD | 300 GB | |
| WD3000HLHX | Western Digital | Enterprise | 3.5" SATA HDD | 300 GB | |
| CT256M4SSD2 | Crucial | M4 | Desktop | 2.5" SATA SSD | 256 GB |
| TS256GSSD720 | Transcend | SSD720 | Desktop | 2.5" SATA SSD | 256 GB |
| 6L250S0 | Maxtor | Desktop | 3.5" SATA HDD | 250 GB | |
| 6V250F0 | Maxtor | Desktop | 3.5" SATA HDD | 250 GB | |
| 7V250F0 | Maxtor | Enterprise | 3.5" SATA HDD | 250 GB | |
| HDS722525VLSA80 - 14R9464 | Western Digital | Desktop | 3.5" SATA HDD | 250 GB | |
| HM250HI | Samsung | Desktop | 2.5" SATA HDD | 250 GB | |
| SP2504C | Samsung | Desktop | 3.5" SATA HDD | 250 GB | |
| ST3250312AS | Seagate | Desktop | 3.5" SATA HDD | 250 GB | |
| ST9250421AS | Seagate | Desktop | 2.5" SATA HDD | 250 GB | |
| WD2500BEKT | Western Digital | Desktop | 2.5" SATA HDD | 250 GB | |
| WD2500HHTZ | Western Digital | Enterprise | 3.5" SATA HDD | 250 GB | |
| WD2500JD | Western Digital | Desktop | 3.5" SATA HDD | 250 GB | |
| WD2502ABYS | Western Digital | Enterprise | 3.5" SATA HDD | 250 GB | |
| WD2503ABYX | Western Digital | Enterprise | 3.5" SATA HDD | 250 GB | |
| 6V200E0 | Maxtor | Desktop | 3.5" SATA HDD | 200 GB | |
| SSDSA2CW160G3 | Intel | 320 | Enterprise | 2.5" SATA SSD | 160 GB |
| SSDSA2M160G2GC | Intel | X25-M | Enterprise | 2.5" SATA SSD | 160 GB |
| ST3160316AS | Seagate | Desktop | 3.5" SATA HDD | 160 GB | |
| WD1600BEVT | Western Digital | Desktop | 2.5" SATA HDD | 160 GB | |
| WD1600JD | Western Digital | Desktop | 3.5" SATA HDD | 160 GB | |
| WD1500BLHX | Western Digital | Enterprise | 2.5" SATA HDD | 150 GB | |
| WD1500HLHX | Western Digital | Enterprise | 3.5" SATA HDD | 150 GB | |
| CT128M4SSD2 | Crucial | M4 | Desktop | 2.5" SATA SSD | 128 GB |
| SV100S2/128G | Kingston | SSDNow V100 | Desktop | 2.5" SATA SSD | 128 GB |
| TS128GSSD720 | Transcend | SSD720 | Desktop | 2.5" SATA SSD | 128 GB |
| SKC100S3/120G | Kingston | SSDNow KC100 | Enterprise | 2.5" SATA SSD | 120 GB |
| ST3120026AS | Seagate | Desktop | 3.5" SATA HDD | 120 GB | |
| WD1200JD | Western Digital | Desktop | 3.5" SATA HDD | 120 GB | |
| SSDSA2MH080G1GC | Intel | X25-M | Enterprise | 2.5" SATA SSD | 80 GB |
| SNVP325-S2/64GB | Kingston | SSDNow V+ Series | Desktop | 2.5" SATA SSD | 64 GB |
| SVP100S2/64G | Kingston | SSDNow V+100 | Enterprise | 2.5" SATA SSD | 64 GB |
| A7 Pro SSD A7201 | Apacer | Desktop | 2.5" SATA SSD | 32 GB | |
| TS32GSSD25S-M | Transcend | Desktop | 2.5" SATA SSD | 32 GB | |
| SNV125-S2/30GB | Kingston | SSDNow V Series | Desktop | 2.5" SATA SSD | 30 GB |