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NAS / Synology / DS425+

NAS

Synology DS425+

Currently sold ยท part of the full NAS model reference - see the full list.

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DS425+ product photo

Status: Currently sold

Seriesx25 Series
Bays4
CPUIntel Celeron J4125
Cores / Threads4 / 4
RAM2 GB
CPU architecturex86_64
Support tierfull
Warranty (years)3
RAM (max)6 GB
Memory slots1
Memory generationDDR4
ECC memoryNon-ECC
Replaceable memoryReplaceable
Network ports1x 1GbE + 1x 2.5GbE
USB ports2x USB 3.2 Gen 1
M.2 slots2
Drive bay types3.5" SATA HDD or 2.5" SATA SSD; M.2 2280 NVMe SSD
Hot-swappable baysyes
CPU frequency (GHz)2.0
Power draw, active (W)28.25
Power draw, hibernation (W)6.10
Power supply (W)90
Noise level (dBA)21.6
Dimensions H x W x D (mm)166 x 199 x 223
Weight (kg)2.18
Largest certified configuration observed96 TB (4 x Synology HAT5320-24T, largest drive on the vendor HCL today; not a hardware limit)
Estimated cost to fill every bay with a certified 8 TB driveabout $2,632 new (Synology HAT3320-8T) / about $1,180 used (Synology HAT3310-8T) -- one observed eBay unit price incl. shipping x bays; quantity availability unverified
Estimated cost to fill every bay with a certified 16 TB driveabout $2,396 new (Synology HAT3310-16T) / about $1,671 used (Synology HAT5300-16T) -- one observed eBay unit price incl. shipping x bays; quantity availability unverified
Search on Amazon View on eBay (used from $1117.16, new from $611.99) Official product page

12 eBay listings checked Aug 8, 2026 · 10 new, 2 used

Documents

Compatible Drives

39 drives certified on DS425+'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.

39certified models
1drive brands
24 TBlargest listed
10with verified extra specs
Show all 39 certified drives
39 shown
BrandModelCapacityTypeVerified drive detailsRecently observed offersStatusFirmware
SynologyHAT5320-24T24.0 TB3.5" NAS HDD-New: $1,418.86Recommended1401
SynologyHAT5310-20T20.0 TB3.5" NAS HDD-New: $1,168.25 · Used: $1,484.45Recommended1401
SynologyHAT3320-20T20.0 TB3.5" NAS HDD-New: $950.91Recommended1401
SynologyHAT5320-20T20.0 TB3.5" NAS HDD-New: $1,496.66Recommended1402
SynologyHAT5310-18T18.0 TB3.5" NAS HDD-No recent verified offerRecommended1401
SynologyHAT5300-16T16.0 TB3.5" NAS HDD-New: $1,551.00 · Used: $417.72Recommended1403
SynologyHAT5310-16T16.0 TB3.5" NAS HDD-New: $1,100.33Recommended1403
SynologyHAT3310-16T16.0 TB3.5" NAS HDD-New: $599.00Recommended1402
SynologyHAT3300-12T12.0 TB3.5" NAS HDD-No recent verified offerRecommendedPL01
SynologyHAT5300-12T12.0 TB3.5" NAS HDD-New: $589.99 · Used: $286.00Recommended1402
SynologyHAT3310-12T12.0 TB3.5" NAS HDD-New: $530.49Recommended1402
SynologyHAT3320-8T8.0 TB3.5" NAS HDD-New: $657.99Recommended1401
SynologyHAT3310-8T8.0 TB3.5" NAS HDD-New: $4,392.35 · Used: $295.00Recommended1403
SynologyHAT5310-8T8.0 TB3.5" NAS HDD-New: $1,087.71 · Used: $500.00Recommended1402
SynologyHAT5320-8T8.0 TB3.5" NAS HDD-New: $702.17Recommended1401
SynologyHAT3300-8T8.0 TB3.5" NAS HDD-No recent verified offerRecommendedPL01
SynologyHAT5300-8T8.0 TB3.5" NAS HDD-New: $1,046.00 · Used: $399.99Recommended1401
SynologySAT5210-7000G7.0 TB2.5" Enterprise SSD5-year warrantyNew: $7,671.71RecommendedSCEMH5.0
SynologyHAT3300-6T6.0 TB3.5" NAS HDD-New: $305.99 · Used: $211.00RecommendedPL01
SynologyHAT3300-4T4.0 TB3.5" NAS HDD-New: $372.09RecommendedPL01
SynologyHAT5300-4T4.0 TB3.5" NAS HDD-No recent verified offerRecommended1403
SynologyHAT5320-4T4.0 TB3.5" NAS HDD-New: $511.08Recommended1401
SynologySAT5220-3840G3.84 TB2.5" Enterprise SSD-No recent verified offerRecommendedSCEMH5.0
SynologySAT5200-3840G3.84 TB2.5" Enterprise SSD-No recent verified offerRecommendedSCEMJ2.1
SynologySAT5221-3840G3.84 TB2.5" Enterprise SSD5-year warrantyNew: $1,350.00RecommendedSCEM16.3
SynologySAT5210-3840G3.84 TB2.5" Enterprise SSD5-year warrantyNo recent verified offerRecommendedSCEMH3.2
SynologyHAT3300-2T2.0 TB3.5" NAS HDD3-year warrantyNew: $574.30 · Used: $149.99RecommendedPL01
SynologySAT5210-1920G1.92 TB2.5" Enterprise SSD5-year warrantyNew: $999.99RecommendedSCEMH3.2
SynologySAT5220-1920G1.92 TB2.5" Enterprise SSD-No recent verified offerRecommendedSCEMH5.0
SynologySAT5221-1920G1.92 TB2.5" Enterprise SSD5-year warrantyNew: $2,200.01 · Refurb: $2,325.05RecommendedSCEM16.3
SynologySAT5200-1920G1.92 TB2.5" Enterprise SSD-No recent verified offerRecommendedSCEMJ2.1
SynologySAT5200-960G0.96 TB2.5" Enterprise SSD-Used: $75.00RecommendedSCEMJ2.1
SynologySAT5210-960G0.96 TB2.5" Enterprise SSD5-year warrantyNo recent verified offerRecommendedSCEMH3.2
SynologySAT5221-960G0.96 TB2.5" Enterprise SSD5-year warrantyNew: $1,177.29RecommendedF3MN902
SynologySAT5220-960G0.96 TB2.5" Enterprise SSD-No recent verified offerRecommendedSCEMH5.0
SynologySAT5220-480G0.48 TB2.5" Enterprise SSD-No recent verified offerRecommendedSCEMH5.0
SynologySAT5210-480G0.48 TB2.5" Enterprise SSD5-year warrantyNo recent verified offerRecommendedSCEMH3.2
SynologySAT5221-480G0.48 TB2.5" Enterprise SSD5-year warrantyNew: $794.00RecommendedF3MN902
SynologySAT5200-480G0.48 TB2.5" Enterprise SSD-No recent verified offerRecommendedSCEMJ2.1

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 DS425+. Third-party modules may also work, but are not shown here unless Synology itself lists them as compatible.

1certified modules
4–4 GBcapacity range
SKUCapacityDDR generationECCForm factorRated speedWarrantySource and notes
D4NS01-4G4 GBDDR4Non-ECCSODIMM-5-yearManufacturer source
Checked 2026-09-16

Certified list last checked 2026-09-16. 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.