QNAP TS-453E vs Synology DiskStation DS425+: specs comparison
How the QNAP TS-453E (nas) and the Synology DiskStation DS425+ (nas) differ, worked out only from the values on each maker’s official spec page. No prices, ratings or benchmark scores.
Key differences
- QNAP TS-453E ships with more memory: 8 GB vs 2 GB.
- QNAP TS-453E supports more memory in total: 16 GB vs 6 GB.
- QNAP TS-453E has HDMI output; Synology DiskStation DS425+'s port list does not.
In common: both list 4 drive bays and 2 network ports.
Who should pick which
- Pick the QNAP TS-453E if you want more memory (8 GB), memory expandable to 16 GB and HDMI output.
None of the computed differences favour the Synology DiskStation DS425+; it may still differ in price, design or features the official pages do not list.
Full specifications side by side
| Spec | QNAP TS-453E | Synology DiskStation DS425+ |
|---|---|---|
| Drive bays | 4 x 3.5-inch SATA 6Gb/s | 4 x 3.5" SATA HDD or 2.5" SATA SSD |
| Processor | Intel Celeron J6412 4-core/4-thread processor, burst up to 2.6 GHz | Intel Celeron J4125, 4 cores |
| Memory | 8 GB SODIMM DDR4 (TS-453E-8G) | 2 GB DDR4 non-ECC (1 slot) |
| Maximum memory | 16 GB (2 x 8GB) | 6 GB (2 GB + 4 GB) |
| Maximum capacity | 2 x M.2 2280 PCIe Gen 3 x2 | 2 x M.2 2280 NVMe SSD (not hot-swappable) |
| Ports / interfaces | 2 x 2.5GbE (2.5G/1G/100M/10M), 2 x USB 3.2 Gen 2 (10Gbps) Type-A, 2 x USB 2.0, 2 x HDMI 1.4b (up to 3840 x 2160 @ 30Hz) | 1 x RJ-45 1GbE LAN, 1 x RJ-45 2.5GbE LAN, 2 x USB 3.2 Gen 1 |
| Form factor | Tower | Not stated |
| Operating system | QTS 6.1.0 or QuTS hero h6.1.0 | Not stated |
| Power | 90W adapter, 100-240V | 90 W adapter, 100V to 240V AC; 28.25 W (access) |
| Dimensions | 6.5 x 6.31 x 8.68 inch (H x W x D) | 166 mm x 199 mm x 223 mm |
| Weight | 7.72 lbs (net) | 2.18 kg |
| Source | Official specs · checked 2026-10-28 | Official specs · checked 2026-10-28 |
Questions
What is the difference between QNAP TS-453E and Synology DiskStation DS425+?
QNAP TS-453E ships with more memory: 8 GB vs 2 GB. QNAP TS-453E supports more memory in total: 16 GB vs 6 GB. QNAP TS-453E has HDMI output; Synology DiskStation DS425+'s port list does not.
Every difference above is calculated from the two spec tables, which are copied from QNAP’s and Synology’s official pages. A spec that only one page states is not compared. Variants and options differ by region, so confirm on the official page before you buy. Spotted a difference? Report a correction.