Synology DS1525+ vs QNAP TS-664
QNAP TS-664 comes out ahead of Synology DS1525+ on 3 of the 6 things that decide this, going by what each maker publishes. The one that matters for you may be one the leader loses.
The verdict
QNAP TS-664 takes it, 3–1 on rounds.
On the published figures, QNAP TS-664 takes 3 of 6 rounds. Treat that as a starting point and check the current figures on both pages, because prices and plans move.
Choose Synology DS1525+ if…
- • You want Synology DS1525+'s edge on how far you can upgrade the memory
Choose QNAP TS-664 if…
- • You want QNAP TS-664's edge on how many drives it holds and how fast its processor runs
Round by round
- Round 1How many drives it holdsQNAP TS-664 wins
QNAP TS-664 wins this round on what the company itself publishes.
- Round 2How fast its processor runsQNAP TS-664 wins
QNAP TS-664 wins this round on what the company itself publishes.
- Round 3How far you can upgrade the memorySynology DS1525+ wins
Synology DS1525+ wins this round on what the company itself publishes.
- Round 4How fast its USB ports areQNAP TS-664 winsSynology DS1525+5/10
USB 3.2 Gen 1 (5Gbps)
fastest USB port
- USB 3.2 Gen 1 (5Gbps), against USB 3.2 Gen 2 (10Gbps)
Source: synology.com ↗
QNAP TS-664 wins this round on what the company itself publishes.
- Round 5How many CPU cores it hasTie
Nothing to separate them here.
- Round 6How much memory comes installedTie
Nothing to separate them here.

