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Key Differences
The DS224+ upgrades from the DS220+ with a faster Intel Celeron J4125 (vs J4025), 2x 1GbE ports (vs 2x 1GbE, same), and improved DSM 7.2+ software. RAM is identical at 2GB (expandable to 6GB). Both are 2-bay units.
Performance Improvement
The DS224+ offers roughly 20-30% faster processing for Plex transcoding, Docker containers, and Synology apps. File transfer speeds are identical (limited by 1GbE networking). For basic file storage and backup, the difference is minimal.
Should You Upgrade?
If you already have a DS220+, keep it — the performance difference does not justify a new purchase. If buying new, the DS224+ is the obvious choice at a similar price point.
Frequently Asked Questions
Is the DS224+ good for Plex?
Yes, the J4125 handles 1080p transcoding well. 4K transcoding is possible but may struggle with multiple streams.
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How we verify this guide
We cross-reference compatibility figures against manufacturer specifications where available, official service manuals, and the standards that govern fit — memory type and speed (DDR4 / DDR5 / LPDDR5), maximum supported capacity and slot count, SSD form factor and interface (M.2 2280, NVMe PCIe vs SATA, keying), and charger wattage and connector (USB-C Power Delivery, GaN). We’re explicit about soldered or non-upgradeable parts, prioritise primary sources over retailer listings, and re-verify the data on a regular cycle. More on our method →
