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Synology DS925+

Ranked #27 of 35 in Best 4-Bay NAS (2026). Here is every spec we scored, where it came from, and how it compares.

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#27

Synology DS925+

Best for: 4 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU

2.5/10

What we like

  • Official table lists a 2.5GbE onboard Ethernet port
  • Official maximum memory capacity is 32 GB
  • Official installed memory is listed as ECC
  • Official table lists 2 M.2 slots

Watch out for

  • No additional scored gaps in the official record we used

Score breakdown

Installed system memory 28%
Fastest official onboard Ethernet 26%
Official CPU core count 24%
Official onboard Ethernet ports 22%
Installed system memory4 GB
Fastest official onboard Ethernet2.5 Gbps
Official CPU core count4
Official onboard Ethernet ports2
Drive bays (official table)4 official bays — 4 × 3.5" SATA HDD or 2.5" SATA SSD 2 × M.2 2280 NVMe SSD
M.2 slots (official table)2
Installed system memory (official table)4 GB DDR4 ECC SODIMM
Maximum memory capacity (official table)32 GB (16 GB × 2)
Memory type (official table)Official installed memory is listed as ECC
CPU (official table)AMD Ryzen V1500B
Official CPU core count4
Official CPU thread count8
Fastest official onboard Ethernet2.5 Gbps
Official onboard Ethernet port count2
Official onboard Ethernet rows2 × official 2.5GbE (RJ-45 2.5GbE LAN Port: 2)
Aggregate official onboard Ethernet (computed)5 Gbps, computed as the sum of official onboard port count × official port speed from the published LAN rows (2 × official 2.5GbE (RJ-45 2.5GbE LAN Port: 2))
Form factor (official table or official model family)desktop
Hot-swappable drives (official table)Yes
Dimensions (official table)166 mm × 199 mm × 223 mm
Weight (official table)2.26 kg
Power supply (official table)100 watts / 120 watts*
Hardware Encryption Engine (official table)YES
Total Memory Slots (official table)2
USB 3.2 Gen 1 Port (official table)2
Noise Level (official table)20.5 dB(A)
Wake on LAN / WAN (official table)YES
Power Consumption (official table)37.91 watts (Access) / 12.33 watts (HDD Hibernation)
PriceCheck price

Synology DS925+ head-to-head

ASUSTOR LOCKERSTOR 4 Gen3 (AS6804T)
8.4/10
#1 · 4 official bays, 16 GB official installed memory, 10GbE official onboard Ethernet, 4-core official CPU
QNAP TS-435xeu
6.2/10
#2 · 4 official bays, 4 GB official installed memory, 10GbE official onboard Ethernet, 4-core official CPU
QNAP TS-432pxu
5.8/10
#3 · 4 official bays, 2 GB official installed memory, 10GbE official onboard Ethernet, 4-core official CPU
QNAP TS-432x
5.4/10
#4 · 4 official bays, 4 GB official installed memory, 10GbE official onboard Ethernet, 4-core official CPU
QNAP TS-432xeu
5.4/10
#5 · 4 official bays, 4 GB official installed memory, 10GbE official onboard Ethernet, 4-core official CPU
QNAP TS-i410x
5.4/10
#6 · 4 official bays, 8 GB official installed memory, 10GbE official onboard Ethernet, 4-core official CPU
ASUSTOR LOCKERSTOR 4RS (AS6504RS) / LOCKERSTOR 4RD (AS6504RD)
4.7/10
#7 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-467x
4.7/10
#8 · 4 official bays, 4 GB official installed memory, 10GbE official onboard Ethernet, 4-core official CPU
Synology RS826+
3.6/10
#9 · 4 official bays, 4 GB official installed memory, 1GbE official onboard Ethernet, 4-core official CPU
QNAP TBS-464
3.3/10
#10 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-410e
3.3/10
#11 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-453e
3.3/10
#12 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-464
3.3/10
#13 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-464eu
3.3/10
#14 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-464u
3.3/10
#15 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-473a
3.3/10
#16 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-h665
3.3/10
#17 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-h665u
3.3/10
#18 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-h765eu
3.3/10
#19 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TVS-h474
3.3/10
#20 · 4 official bays, 8 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
ASUSTOR LOCKERSTOR 4 Gen2+ (AS6704T v2)
3.2/10
#21 · 4 official bays, 4 GB official installed memory, 5GbE official onboard Ethernet, 4-core official CPU
ASUSTOR AS5304T
2.5/10
#22 · 4 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
ASUSTOR AS5404T
2.5/10
#23 · 4 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
ASUSTOR LOCKERSTOR 4 Gen2 (AS6704T)
2.5/10
#24 · 4 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-433
2.5/10
#25 · 4 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-433eu
2.5/10
#26 · 4 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
Synology DS925neo+
2.5/10
#28 · 4 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
Synology DS425+
2.2/10
#29 · 4 official bays, 2 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
QNAP TS-462a
1.8/10
#30 · 4 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
Synology DS423
1.7/10
#31 · 4 official bays, 2 GB official installed memory, 1GbE official onboard Ethernet, 4-core official CPU
ASUSTOR DRIVESTOR 4 Pro Gen2 (AS3304T v2)
1.4/10
#32 · 4 official bays, 2 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
ASUSTOR DRIVESTOR 4 (AS1104T)
1.2/10
#33 · 4 official bays, 1 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
ASUSTOR DRIVESTOR 4 Gen2 (AS1204T)
1.2/10
#34 · 4 official bays, 1 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU
Synology RS422+
0.9/10
#35 · 4 official bays, 2 GB official installed memory, 1GbE official onboard Ethernet, 2-core official CPU