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Status: Legacy / discontinued
| Series | x23 Series |
|---|---|
| Bays | 4 |
| CPU | Intel Celeron J4125 |
| Cores / Threads | 4 / 4 |
| RAM | 2 |
| CPU architecture | x86_64 |
| Support tier | full |
| Warranty (years) | 3 |
| RAM (max) | 6 |
| Memory slots | 1 |
| Memory generation | DDR4 |
| ECC memory | Non-ECC |
| Replaceable memory | Replaceable |
| Network ports | 2x 1GbE |
| USB ports | 2x USB 3.2 Gen 1 |
| M.2 slots | 2 |
| Drive bay types | 3.5" SATA HDD, 2.5" SATA SSD, M.2 NVMe SSD |
| Hot-swappable bays | yes |
1 eBay listings checked Aug 8, 2026 · 0 new, 1 used (too few used listings to show a reliable used price)
Documents
Compatible Drives
119 drives certified on DS423+'s official manufacturer compatibility list, sourced directly from Synology's own published Hardware Compatibility List. Each model links to that drive's own compatibility page.
Certified drives by capacity
Show all 119 certified drives
| Brand | Model | Capacity | Type | Verified drive details | Recently observed offers | Status | Firmware |
|---|---|---|---|---|---|---|---|
| Synology | HAT5320-24T | 24.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Synology | HAT5310-20T | 20.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Synology | HAT3320-20T | 20.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Synology | HAT5320-20T | 20.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1402 |
| Synology | HAT5310-18T | 18.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Seagate | ST16000VN001 | 16.0 TB | 3.5" NAS HDD | 7200 RPM · 256 MB cache · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Synology | HAT5300-16T | 16.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1402 |
| Synology | HAT5310-16T | 16.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1403 |
| Seagate | ST16000VE000 | 16.0 TB | 3.5" Surveillance HDD | - | No recent verified offer | Recommended | EV02 |
| Synology | HAT3310-16T | 16.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1402 |
| Toshiba | MN07ACA14T | 14.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Western Digital | WD140EFGX | 14.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 85.00A85 |
| Toshiba | HDWG21EEZSTA | 14.0 TB | 3.5" NAS HDD | 3-year warranty | No recent verified offer | Recommended | 0601 |
| Toshiba | HDWG21EYZSTA | 14.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Seagate | ST14000VE0008 | 14.0 TB | 3.5" Surveillance HDD | 256 MB cache | No recent verified offer | Recommended | EV02 |
| Toshiba | HDWG21EXZSTA | 14.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Toshiba | HDWG21EUZSVA | 14.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Seagate | ST14000VN0008 | 14.0 TB | 3.5" NAS HDD | 7200 RPM · 256 MB cache · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Toshiba | HDWG21EAZSTA | 14.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Seagate | ST12000VN0008 | 12.0 TB | 3.5" NAS HDD | 7200 RPM · 256 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Western Digital | WD120EFBX | 12.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 85.00A85 |
| Synology | HAT5300-12T | 12.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Synology | HAT3300-12T | 12.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | PL01 |
| Toshiba | HDWG21CYZSTA | 12.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Seagate | ST12000VE0008 | 12.0 TB | 3.5" Surveillance HDD | 256 MB cache | No recent verified offer | Recommended | EV02 |
| Toshiba | HDWG21CAZSTA | 12.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Toshiba | HDWG21CEZSTA | 12.0 TB | 3.5" NAS HDD | 3-year warranty | No recent verified offer | Recommended | 0601 |
| Toshiba | MN07ACA12T | 12.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Synology | HAT3310-12T | 12.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1402 |
| Toshiba | HDWG21CXZSTA | 12.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Toshiba | HDWG21CUZSVA | 12.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Toshiba | HDWG11AAZSTA | 10.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0603 |
| Toshiba | HDWG11AEZSTA | 10.0 TB | 3.5" NAS HDD | 3-year warranty | New: $687.00 | Recommended | 0603 |
| Western Digital | WD101EFBX | 10.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 85.00A85 |
| Seagate | ST10000VN000 | 10.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | SC60 |
| Seagate | ST10000VE0008 | 10.0 TB | 3.5" Surveillance HDD | 256 MB cache | No recent verified offer | Recommended | EV02 |
| Toshiba | MN06ACA10T | 10.0 TB | 3.5" NAS HDD | - | New: $348.77 | Recommended | 0603 |
| Toshiba | HDWG11AUZSVA | 10.0 TB | 3.5" NAS HDD | 3-year warranty | Used: $249.99 | Recommended | 0603 |
| Toshiba | HDWG11AYZSTA | 10.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0603 |
| Toshiba | HDWG11AXZSTA | 10.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0603 |
| Toshiba | HDWG480YZSTA | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Synology | HAT3320-8T | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Western Digital | WD80EFZZ | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 81.00A81 |
| Seagate | ST8000VX004 | 8.0 TB | 3.5" Surveillance HDD | 3-year warranty | No recent verified offer | Recommended | AV01 |
| Toshiba | HDWG480AZSTA | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Synology | HAT3310-8T | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1403 |
| Synology | HAT5310-8T | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1402 |
| Synology | HAT5320-8T | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Synology | HAT3300-8T | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | PL01 |
| Toshiba | HDWG480XZSTA | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Seagate | ST8000VN002 | 8.0 TB | 3.5" NAS HDD | 5400 RPM · 256 MB cache · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Western Digital | WD80EFPX | 8.0 TB | 3.5" NAS HDD | CMR | No recent verified offer | Recommended | 81.00A81 |
| Seagate | ST8000VN004 | 8.0 TB | 3.5" NAS HDD | 7200 RPM · 256 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Toshiba | MN08ADA800 | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Toshiba | HDWG480UZSVA | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Synology | HAT5300-8T | 8.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Toshiba | HDWG480EZSTA | 8.0 TB | 3.5" NAS HDD | 3-year warranty | No recent verified offer | Recommended | 0601 |
| Synology | SAT5210-7000G | 7.0 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEMH5.0 |
| Toshiba | HDWG460AZSTA | 6.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Toshiba | HDWG460EZSTA | 6.0 TB | 3.5" NAS HDD | 3-year warranty | New: $571.00 | Recommended | 0601 |
| Toshiba | HDWG460UZSVA | 6.0 TB | 3.5" NAS HDD | 3-year warranty | No recent verified offer | Recommended | 0601 |
| Synology | HAT3300-6T | 6.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | PL01 |
| Western Digital | WD60EFPX | 6.0 TB | 3.5" NAS HDD | CMR | No recent verified offer | Recommended | 81.00A81 |
| Seagate | ST6000VN006 | 6.0 TB | 3.5" NAS HDD | 5400 RPM · 256 MB cache · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Toshiba | MN08ADA600 | 6.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Seagate | ST6000VN001 | 6.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | SC60 |
| Western Digital | WD60PURX | 6.0 TB | 3.5" Surveillance HDD | - | No recent verified offer | Recommended | 80.00A80 |
| Toshiba | HDWG460YZSTA | 6.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Seagate | ST6000VX001 | 6.0 TB | 3.5" Surveillance HDD | - | No recent verified offer | Recommended | CV11 |
| Western Digital | WD60PURZ | 6.0 TB | 3.5" Surveillance HDD | 3-year warranty | No recent verified offer | Recommended | 80.00A80 |
| Western Digital | WD60EFZX | 6.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 81.00A81 |
| Toshiba | HDWG460XZSTA | 6.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Western Digital | WD60EJRX | 6.0 TB | 3.5" Surveillance HDD | - | No recent verified offer | Recommended | - |
| Toshiba | HDWG440YZSTA | 4.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Western Digital | WD40PURX | 4.0 TB | 3.5" Surveillance HDD | - | No recent verified offer | Recommended | 80.00A80 |
| Western Digital | WD40PURZ | 4.0 TB | 3.5" Surveillance HDD | 5400 RPM · 64 MB cache · 3-year warranty | No recent verified offer | Recommended | - |
| Synology | HAT3300-4T | 4.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | PL01 |
| Synology | HAT5300-4T | 4.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1403 |
| Toshiba | HDWG440AZSTA | 4.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Toshiba | HDWG440UZSVA | 4.0 TB | 3.5" NAS HDD | - | Used: $225.00 | Recommended | 0601 |
| Western Digital | WD40EFPX | 4.0 TB | 3.5" NAS HDD | CMR | No recent verified offer | Recommended | 81.00A81 |
| Seagate | ST4000VN006 | 4.0 TB | 3.5" NAS HDD | 5400 RPM · 256 MB cache · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Toshiba | HDWG440EZSTA | 4.0 TB | 3.5" NAS HDD | 3-year warranty | New: $349.07 | Recommended | 0601 |
| Toshiba | MN08ADA400E | 4.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Synology | HAT5320-4T | 4.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Toshiba | HDWG440XZSTA | 4.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 0601 |
| Western Digital | WD40EFZX | 4.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 81.00B81 |
| Western Digital | WD40EJRX | 4.0 TB | 3.5" Surveillance HDD | 5400 RPM · 64 MB cache | No recent verified offer | Recommended | - |
| Synology | SAT5220-3840G | 3.84 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMH5.0 |
| Synology | SAT5200-3840G | 3.84 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMJ2.1 |
| Synology | SAT5221-3840G | 3.84 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEM16.3 |
| Synology | SAT5210-3840G | 3.84 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEMH3.2 |
| Western Digital | WD30EFZX | 3.0 TB | 3.5" NAS HDD | 64 MB cache · 3-year warranty | No recent verified offer | Recommended | 81.00B81 |
| Western Digital | WD30PURZ | 3.0 TB | 3.5" Surveillance HDD | 3-year warranty | No recent verified offer | Recommended | - |
| Seagate | ST3000VX009 | 3.0 TB | 3.5" Surveillance HDD | 256 MB cache · 3-year warranty | No recent verified offer | Recommended | CV11 |
| Western Digital | WD30EFPX | 3.0 TB | 3.5" NAS HDD | 5400 RPM · 64 MB cache · CMR · 3-year warranty | No recent verified offer | Recommended | 81.00A81 |
| Seagate | ST3000VN006 | 3.0 TB | 3.5" NAS HDD | 5400 RPM · 256 MB cache · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Western Digital | WD30EJRX | 3.0 TB | 3.5" Surveillance HDD | 5400 RPM · 64 MB cache · 3-year warranty | No recent verified offer | Recommended | - |
| Western Digital | WD30PURX | 3.0 TB | 3.5" Surveillance HDD | - | No recent verified offer | Recommended | - |
| Western Digital | WD20EFZX | 2.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 81.00B81 |
| Western Digital | WD20PURZ | 2.0 TB | 3.5" Surveillance HDD | 3-year warranty | No recent verified offer | Recommended | - |
| Seagate | ST2000VN003 | 2.0 TB | 3.5" NAS HDD | 5400 RPM · 256 MB cache · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Western Digital | WD20PURX | 2.0 TB | 3.5" Surveillance HDD | - | No recent verified offer | Recommended | - |
| Western Digital | WD20EJRX | 2.0 TB | 3.5" Surveillance HDD | - | No recent verified offer | Recommended | - |
| Synology | HAT3300-2T | 2.0 TB | 3.5" NAS HDD | 3-year warranty | No recent verified offer | Recommended | PL01 |
| Western Digital | WD20EFPX | 2.0 TB | 3.5" NAS HDD | - | New: $155.00 | Recommended | 81.00A81 |
| Synology | SAT5210-1920G | 1.92 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEMH3.2 |
| Synology | SAT5220-1920G | 1.92 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMH5.0 |
| Synology | SAT5221-1920G | 1.92 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEM16.3 |
| Synology | SAT5200-1920G | 1.92 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMJ2.1 |
| Seagate | ST1000VN008 | 1.0 TB | 3.5" NAS HDD | 5400 RPM · 256 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | No recent verified offer | Recommended | SC60 |
| Synology | SAT5200-960G | 0.96 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMJ2.1 |
| Synology | SAT5210-960G | 0.96 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEMH3.2 |
| Synology | SAT5221-960G | 0.96 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | F3MN902 |
| Synology | SAT5220-960G | 0.96 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMH5.0 |
| Synology | SAT5220-480G | 0.48 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMH5.0 |
| Synology | SAT5210-480G | 0.48 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEMH3.2 |
| Synology | SAT5221-480G | 0.48 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | F3MN902 |
| Synology | SAT5200-480G | 0.48 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMJ2.1 |
Extra drive details are published only from manufacturer-owned documents or explicit human review. Follow the model link for field-level sources.
Certified list last checked 2026-08-18.
Compatible Memory
1 memory module listed by Synology as compatible with DS423+. Third-party modules may also work, but are not shown here unless Synology itself lists them as compatible.
| SKU | Capacity | DDR generation | ECC | Form factor | Rated speed | Warranty | Source and notes |
|---|---|---|---|---|---|---|---|
| D4NS01-4G | 4 GB | DDR4 | Non-ECC | SODIMM | - | 5-year | Manufacturer source Checked 2026-09-08 |
Certified list last checked 2026-09-08. Coverage varies by model. Rated module speed is not a guarantee of NAS operating speed; follow the NAS maximum capacity and installation rules.
Looking for cameras compatible with Synology NAS units? See the full Synology camera compatibility database.