NAS enclosures / Comparison

See what changes

Choose up to five exact US purchase options. Compare documented differences and open each source for its conditions.

Option 1

Option 2

Add up to three more options

Option 3

Option 4

Option 5

Show differences onlyReset selection

1 of 5 options selected. Bookmark this address to keep your selection.

These packages exclude user-storage drives. Operating-system boot storage is not included data-drive capacity. Drives, network equipment and software compatibility need separate checks.

Scroll sideways to see every option. Open a field explanation or source for its conditions.

Documented specifications and exact purchase packages
Compare the details	Synology DS425+ — diskless 2 GB US package
Community reviews	No community reviews yet. Purchase packages of the same model share one community score. Read all reviews Write a review
US purchase package	New MFR DS425+, B&H SYDS425P; standard diskless enclosure with factory 2 GB onboard RAM; no data drives, M.2 SSDs or additional memory. Product & sources Includes main unit, accessory pack, AC adapter and cord, and two LAN cables. Optional RAM, storage drives and extended warranty are separate. Sources · 2026-09-13 B&H: Synology DS425+ US diskless enclosure listingChecked 2026-09-13. We read the original webpage on the check date.Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date.Synology: DSM 7.3 drive-policy announcement for 2025 DiskStation modelsChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
Where to buy	Select: New MFR DS425+, B&H SYDS425P; standard diskless enclosure with factory 2 GB onboard RAM; no data drives, M.2 SSDs or additional memory. View at B&H — Synology DS425+ — diskless 2 GB US package; opens in a new tab The link may open several packages. Check current price and availability with the seller. Opens in a new tab.
External rating	4.3 out of 5 from 12 ratings · B&H Photo · Checked October 23, 2026.
Main drive bays Bays for the main SATA storage drives, excluding separate M.2 slots. Check supported drive form factors and capacity limits for this exact model.	4 bays Source · 2026-09-13 Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
Included data drives User-storage drives supplied in this purchase package. These diskless packages require separately purchased compatible drives.	0 drivesBase enclosure; SATA drives and M.2 SSDs are sold separately. Sources · 2026-09-13 Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date.B&H: Synology DS425+ US diskless enclosure listingChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
Supplied RAM Installed system memory in the exact listed package. A shared model name can cover different factory memory configurations.	2 GBFactory DDR4 non-ECC; an additional memory module is not included. Source · 2026-09-13 Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
Official maximum RAM The maximum memory stated by the manufacturer for the reviewed revision. This does not endorse unofficial upgrades or establish application performance.	6 GB2 GB onboard plus one supported 4 GB SODIMM. Source · 2026-09-13 Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
Memory can be upgraded Whether the reviewed hardware revision has a documented memory upgrade path. Check socket layout, supported modules and any revision changes.	YesOne expansion slot; Synology lists the D4NS01-4G module and its support conditions. Source · 2026-09-13 Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
Fastest Ethernet port Highest nominal speed of one supplied Ethernet port. Do not add port speeds together or treat this as measured throughput.	2.5 Gb/sFastest single supplied port; the separate Gigabit port is not added to this value. Source · 2026-09-13 Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
Supplied Ethernet ports Number and nominal speed of the included Ethernet ports. Check your network and the software conditions for link aggregation or failover.	1 × 2.5GbE + 1 × 1GbE Source · 2026-09-13 Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
M.2 slots Built-in M.2 storage slots where documented. Slot presence does not guarantee every drive or storage-pool use; check the compatibility list.	2 slotsM.2 2280 NVMe. M.2 storage pools and cache require drives on Synology’s hardware compatibility list. Sources · 2026-09-13 Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date.Synology: DSM 7.3 drive-policy announcement for 2025 DiskStation modelsChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
Processor The processor identified for this hardware model. Processor identity alone does not predict application, transcoding or file-serving performance.	Intel Celeron J4125 Source · 2026-09-13 Synology: DiskStation DS425+ US hardware and software specificationsChecked 2026-09-13. We read the original webpage on the check date. Review due. Check the current source before buying.
Questions to check before buying	As checked 13 September 2026, DSM 7.3 permits non-validated third-party drive installation and storage pools on 2025 DiskStation models; M.2 cache and pools retain hardware-compatibility-list requirements. Check exact drive and memory compatibility. Processor identity and port ratings do not establish transcoding support or transfer performance.

See what changes

Optional Google Analytics