Two generations with the same Intel foundation

Synology DS225+ vs DS224+: Is 2.5GbE Worth It?

DS225+ and DS224+ both use the Intel Celeron J4125 and share a 6GB memory ceiling. The major hardware change is networking: DS225+ combines 2.5GbE and 1GbE, while DS224+ provides dual 1GbE. The model year also changes the drive-policy context.

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Quick answer

Upgrade for 2.5GbE and current-generation policy, not for a new CPU

DS225+ is the stronger new purchase when your network can use 2.5GbE. DS224+ remains competitive at a substantial discount because compute, memory, bay count and Intel graphics are broadly similar.

Buying decision

Calculate the entire upgrade benefit

A 2.5GbE port only helps when the switch, client and storage path can exceed 1GbE. Existing DS224+ owners should upgrade only when networking, warranty or drive-policy considerations solve a real limitation.

Interactive decision tool

DS225+ vs DS224+ Decision Tool

Use the exact workload, capacity and compatibility status. The tool applies current model specifications and DSM policy direction, but the Synology compatibility list remains the final check for a specific drive or accessory.

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Current hardware for this Synology decision

Current and previous DiskStation models, Synology accessories and Synology HDDs come from the dedicated Sprint 9A catalogue. Third-party NAS HDDs can be read from Cloudzat Storage Price Intelligence in read-only mode. Diskless, populated, new and renewed offers remain visibly separate.

Checking the dedicated Synology catalogue…

Compatibility checklist

Four checks before buying Synology hardware

Match the exact DiskStation model

A Plus-series family name is not enough. CPU, RAM ceiling, bays, network ports, M.2 support and expansion can change from one model to another.

Separate HDD and M.2 policies

DSM 7.3 gives 2025 Plus models more third-party HDD and 2.5-inch SATA flexibility, while M.2 pool/cache support remains stricter and model-specific.

Keep diskless and populated listings separate

A bundle can hide drive condition, model, warranty and price per usable terabyte. Compare enclosure value and drive value independently.

Verify media acceleration, do not infer it

An exact Intel CPU can establish that an iGPU exists, but Plex or Jellyfin acceleration still depends on codecs, licensing, package/container setup and current software support.

The processor comparison is effectively a tie

In DS225+ vs DS224+, the processor comparison is effectively a tie matters because both models use the four-core Intel Celeron J4125. This creates a specific decision for DS225+ vs DS224+: avoid paying an upgrade premium under the assumption that ordinary CPU performance changed dramatically.

For two-bay Synology buyers and DS224+ owners, avoid paying an upgrade premium under the assumption that ordinary CPU performance changed dramatically. Check the processor comparison is effectively a tie for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

Integrated graphics remain available on both

In DS225+ vs DS224+, integrated graphics remain available on both matters because the shared Intel CPU includes UHD Graphics 600. This creates a specific decision for DS225+ vs DS224+: verify current Plex or Jellyfin acceleration support rather than assuming the model year changes the media engine.

For two-bay Synology buyers and DS224+ owners, verify current Plex or Jellyfin acceleration support rather than assuming the model year changes the media engine. Check integrated graphics remain available on both for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

Memory capacity is also unchanged

In DS225+ vs DS224+, memory capacity is also unchanged matters because both systems ship with 2GB and support a 6GB total using an approved 4GB module. This creates a specific decision for DS225+ vs DS224+: judge container and Photos workloads against the same ceiling on either model.

For two-bay Synology buyers and DS224+ owners, judge container and Photos workloads against the same ceiling on either model. Check memory capacity is also unchanged for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

Networking is the headline DS225+ advantage

In DS225+ vs DS224+, networking is the headline ds225+ advantage matters because one 2.5GbE port can exceed the per-link ceiling of DS224+ dual 1GbE. This creates a specific decision for DS225+ vs DS224+: confirm the switch and client can negotiate 2.5GbE before valuing the feature.

For two-bay Synology buyers and DS224+ owners, confirm the switch and client can negotiate 2.5GbE before valuing the feature. Check networking is the headline ds225+ advantage for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

Link aggregation is not a single-client replacement

In DS225+ vs DS224+, link aggregation is not a single-client replacement matters because dual 1GbE can provide redundancy or aggregate multiple flows, but a normal single transfer remains limited by one member link. This creates a specific decision for DS225+ vs DS224+: choose DS225+ for simpler per-client multi-gig performance.

For two-bay Synology buyers and DS224+ owners, choose DS225+ for simpler per-client multi-gig performance. Check link aggregation is not a single-client replacement for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

Both remain fixed two-bay systems

In DS225+ vs DS224+, both remain fixed two-bay systems matters because neither model has an expansion-unit path or M.2 slots. This creates a specific decision for DS225+ vs DS224+: calculate long-term mirrored capacity before buying either enclosure.

For two-bay Synology buyers and DS224+ owners, calculate long-term mirrored capacity before buying either enclosure. Check both remain fixed two-bay systems for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

Drive policy is not the same across model years

In DS225+ vs DS224+, drive policy is not the same across model years matters because the DSM 7.3 flexibility described for 2025 Plus models does not apply retroactively to DS224+. This creates a specific decision for DS225+ vs DS224+: read the policy page for the exact NAS rather than extrapolating from DS225+.

For two-bay Synology buyers and DS224+ owners, read the policy page for the exact NAS rather than extrapolating from DS225+. Check drive policy is not the same across model years for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

DS224+ discounts can be commercially attractive

In DS225+ vs DS224+, ds224+ discounts can be commercially attractive matters because older new or renewed listings may undercut the current model significantly. This creates a specific decision for DS225+ vs DS224+: check condition, warranty and included accessories before treating every discount as equivalent.

For two-bay Synology buyers and DS224+ owners, check condition, warranty and included accessories before treating every discount as equivalent. Check ds224+ discounts can be commercially attractive for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

DS225+ is easier to pair with modern access switches

In DS225+ vs DS224+, ds225+ is easier to pair with modern access switches matters because 2.5GbE is common on newer routers, switches and PCs. This creates a specific decision for DS225+ vs DS224+: map the complete link so the NAS does not fall back to 1GbE because of one unsupported component.

For two-bay Synology buyers and DS224+ owners, map the complete link so the NAS does not fall back to 1GbE because of one unsupported component. Check ds225+ is easier to pair with modern access switches for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

Plex direct play is less sensitive to this upgrade

In DS225+ vs DS224+, plex direct play is less sensitive to this upgrade matters because many direct-play streams fit comfortably within 1GbE and use little transcoding compute. This creates a specific decision for DS225+ vs DS224+: upgrade for network-heavy file transfers or policy reasons, not ordinary direct play alone.

For two-bay Synology buyers and DS224+ owners, upgrade for network-heavy file transfers or policy reasons, not ordinary direct play alone. Check plex direct play is less sensitive to this upgrade for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

Existing owners should measure before replacing

In DS225+ vs DS224+, existing owners should measure before replacing matters because real SMB transfer rates, memory pressure and media behavior reveal whether DS224+ is actually limiting the workload. This creates a specific decision for DS225+ vs DS224+: collect evidence before moving drives and rebuilding services on a new enclosure.

For two-bay Synology buyers and DS224+ owners, collect evidence before moving drives and rebuilding services on a new enclosure. Check existing owners should measure before replacing for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

The final choice is new-buy versus upgrade logic

In DS225+ vs DS224+, the final choice is new-buy versus upgrade logic matters because DS225+ is the cleaner new purchase, while DS224+ can remain a rational used or existing-owner platform. This creates a specific decision for DS225+ vs DS224+: compare the incremental price with the value of 2.5GbE, warranty and current policy support.

For two-bay Synology buyers and DS224+ owners, compare the incremental price with the value of 2.5GbE, warranty and current policy support. Check the final choice is new-buy versus upgrade logic for DS225+ vs DS224+ against the exact enclosure and DSM release; then keep DS225+ vs DS224+'s delivered model number beside the current support table.

Questions people ask

DS225+ vs DS224+ questions

Do DS225+ and DS224+ use the same CPU?

Yes. Both use the Intel Celeron J4125, so the newer model is not a major CPU-generation upgrade.

What is the biggest DS225+ improvement?

The clearest hardware change is the addition of a 2.5GbE port alongside 1GbE.

Do both support 6GB RAM?

Yes. Both list 2GB installed and a 6GB maximum using a 4GB expansion module.

Which is better for Plex?

Their shared J4125 means the hardware foundation is similar. The actual result depends on application support, codecs and configuration.

Can either model use M.2 NVMe SSDs?

No built-in M.2 slots are listed for either DS225+ or DS224+.

Can either expand beyond two bays?

No. Both are fixed two-bay systems.

Does DSM 7.3 drive flexibility apply to DS224+?

Synology says the new 2025 drive policies are not retroactive to earlier systems. Verify DS224+ drives through its own compatibility guidance.

Is dual 1GbE as fast as 2.5GbE?

Not for a normal single link. Link aggregation can help multiple flows or redundancy, while one 2.5GbE connection gives a faster individual link when the network supports it.

Should DS224+ owners upgrade?

Only when 2.5GbE, warranty or policy differences solve a real problem. The CPU and RAM ceiling are unchanged.

Which should a new buyer choose?

DS225+ is the safer current purchase unless a well-documented DS224+ discount is large enough to outweigh the networking and support differences.

Official references and methodology

Verify the exact Synology model and drive policy

This page compares exact published hardware and separates multi-gig networking from CPU performance. It also applies Synology’s statement that 2025 drive policies are not retroactive to older models.

As an Amazon Associate, Cloudzat may earn from qualifying purchases. Prices, model revisions, DSM policies, drive lists, RAM support and marketplace conditions can change. Verify the exact NAS, drive and accessory before purchase.