NAS enclosures / Comparison

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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.

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Documented specifications and exact purchase packages
Compare the details	Synology DS225+ — diskless 2 GB US package
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US purchase package	DS225+ standard 2 GB diskless package; follow the manufacturer’s US buying route. Product & sources Main unit, accessory pack, power adapter/cord and two LAN cables. User-storage drives and extra RAM are separate. Sources · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified.Synology: DSM 7.3 drive-compatibility announcementChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. Review due. Check the current source before buying.
Where to buy	Select: DS225+ standard 2 GB diskless package; follow the manufacturer’s US buying route. View at Synology — Synology DS225+ — 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	4.5 out of 5 from 24 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.	2 bays Source · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. 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 diskless package; user-storage drives are separate. Source · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. 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 GB2 GB DDR4 non-ECC. Source · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. 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 installed plus the supported 4 GB module; manufacturer memory conditions apply. Source · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. 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.	YesUse documented compatible memory and the exact hardware revision. Source · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. 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, not measured file-transfer speed. Source · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. 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 · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. 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.	Not verified We have not verified this value. It is not a confirmed no or zero. Check the original source or ask the manufacturer if it affects your choice. The cited hardware list does not establish an M.2 slot count. Source · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. 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 · 2026-09-12 Synology: DiskStation DS225+ US specificationsChecked 2026-09-12. We reviewed the official page text on the check date. Checkout options were not verified. Review due. Check the current source before buying.
Questions to check before buying	As checked 12 September 2026, DSM 7.3 permits non-validated third-party SATA drive installation and pools on 2025 models. Check the current model-specific compatibility list before buying drives. M.2 slot count remains unverified.

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