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Synology DiskStation® DS925neo+ 4-Bay NAS Server

4-bay NAS for offices and SMBs: the DS925+ platform, four-core Ryzen V1500B, two 2.5 GbE ports and NVMe cache, with 4 GB of non-ECC memory for a lower entry price. Expandable to nine drives with a DX525. Drives sold separately.

  • AMD Ryzen V1500B, 4 cores and 8 threads at 2.2 GHz
  • 4 GB DDR4 non-ECC, expandable to 32 GB
  • 4 SATA 3.5" and 2.5" bays, drives sold separately
  • 2 M.2 2280 NVMe slots for SSD cache
  • 2 RJ-45 2.5 GbE ports
  • Expandable to 9 drives with a DX525 unit
  • Hardware encryption engine
  • Up to 40 IP cameras, 2 licences included
  • 20.5 dB(A) in operation
Ref.: DS925neo+
New
Synology DiskStation® DS925neo+ 4-Bay NAS Server
Synology DiskStation® DS925neo+ 4-Bay NAS Server – view 2
Synology DiskStation® DS925neo+ 4-Bay NAS Server – view 3
Synology DiskStation® DS925neo+ 4-Bay NAS Server – view 4
Synology DiskStation® DS925neo+ 4-Bay NAS Server – view 5

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Manufacturer's datasheetView the PDF · 2,4 Mo — downloadable

Product overview

4-bay NAS server to centralise an office's files, backups and video surveillance: DS925+ platform, dual 2.5 GbE and NVMe cache.
Processor: AMD Ryzen V1500B, four cores at 2.2 GHz
Memory: 4 GB DDR4 non-ECC, up to 32 GB
Storage: 4 bays, up to 9 with the DX525
Cache: 2 M.2 2280 NVMe slots
Network: 2 × 2.5 GbE ports
Noise: 20.5 dB(A)
The entry version of the DS925+: same machine, with non-ECC memory instead of ECC.

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Technical specifications

Technical specifications
ProcessorAMD Ryzen V1500B
Processor details4 cores, 8 threads, 64-bit architecture
Surveillance cameras40 IP cameras maximum, 2 licences included
Hardware encryptionYes
Installed RAM4 GB DDR4 non-ECC SODIMM (1 x 4 GB)
Maximum RAM32 GB (2 x 16 GB)
Operating systemSynology DiskStation Manager (DSM)
RAIDSynology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Typical power consumption37.91 W (access)
Standby power consumption12.33 W (drive hibernation)
Interfaces2 x USB 3.2 Gen 1, 1 x USB Type-C expansion port
Network ports2 x RJ-45 2.5 GbE
Frequency2.2 GHz
RAM slots2 slots
Hard drive type3.5-inch SATA HDD, 2.5-inch SATA SSD, M.2 2280 NVMe SSD
Hot-swappableYes (except the M.2 slots)
Storage bays4 bays (up to 9 with a DX525 expansion unit)
M.2 NVMe slots2 M.2 2280 NVMe slots (SSD cache or storage pool)
Supplied storageNo drives supplied
Power supplyExternal 100 W or 120 W adapter, 100-240 V AC, 50/60 Hz
Technical specifications (continued)
Weight2.26 kg
Dimensions166 x 199 x 223 mm (H x W x D)
Box contentsMain unit, accessory pack, AC adapter, power cord, 2 RJ-45 cables
Operating temperature0 °C to 40 °C
Storage temperature-20 °C to 60 °C
File systemInternal: Btrfs, ext4 — External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT
Sharing protocolsSMB, AFP, NFS, FTP, WebDAV, Rsync
CertificationsFCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS
Fan2 fans (92 x 92 mm)
Network protocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, Kerberised NFS sessions, iSCSI, HTTP, HTTPS, FTP, SNMP, LDAP, CalDAV
Noise level20.5 dB(A)
Operating humidity8% to 80% RH
Form factorDesktop enclosure
Drive bays4 bays
Built-in M.2 slotsYes
Port speed2.5 Gbps (Multi-Gig)
Drives includedNo
Redundant power supplyNo
NAS processorAMD Ryzen
Warranty3 years

Specific references

MPNDS925neo+

Downloads

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Under Law 09-08, you have the right to access, rectify and object to the processing of your personal data. This processing has been authorised by the CNDP under no. D-CE-389/2015. Learn more

Frequently asked questions about this product

What is the difference between the Synology DS925neo+ and the DS925+?
The memory. The DS925neo+ ships with 4 GB of non-ECC DDR4, the DS925+ with 4 GB of ECC DDR4, which corrects bit errors on the fly. The processor, the 4 bays, the two 2.5 GbE ports, the M.2 slots and the expansion to 9 drives are identical. The only software difference: Hyper-V is certified on Windows Server 2025 only.
Are hard drives included with the DS925neo+?
No, the DS925neo+ ships without drives. Its 4 bays take 3.5-inch SATA hard drives or 2.5-inch SATA SSDs, and two M.2 2280 NVMe SSDs can be added for caching. Synology only guarantees full functionality with drives on its compatibility list: check it before choosing your drives.
Can the DS925neo+ memory be upgraded, and switched to ECC?
Yes. It has 2 slots and takes up to 32 GB (2 x 16 GB). Synology lists the D4NS01-4G non-ECC module and the D4ES04-4G, D4ES03-8G and D4ES03-16G ECC modules for this model. With several modules, all must be identical: switching to ECC therefore also means replacing the original module.
How many drives can the DS925neo+ hold in total?
Up to 9 drives: its 4 bays plus the 5 of a DX525 expansion unit, connected to the USB Type-C expansion port and sold separately. The two M.2 NVMe slots come on top without using a bay. A volume can exceed 108 TB only with 32 GB of memory installed.
Which RAID types does the DS925neo+ support?
It supports Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, 1, 5, 6 and 10. SHR simplifies protection when mixing drives of different sizes, and the volume grows by replacing drives with larger ones or adding a drive. Hot swapping is supported on the bays, not on the M.2 slots.
Is the DS925neo+ suitable for video surveillance?
Yes, with Surveillance Station it handles up to 40 IP cameras in 1080p and 30 in 4K (H.265). 2 licences are included; each additional camera needs a licence bought separately. Drives and cameras are not included.

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