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Synology DiskStation® DS1825+ 8-Bay NAS Server

Peaks of 2,239 MB/s sequential read and 1,573 MB/s write, enough to serve the applications of a whole office. PCIe slot to move up to 10 or 25 GbE, expansion to 18 drives. Drives sold separately.

  • AMD Ryzen V1500B quad-core 2.2 GHz
  • 8 GB of DDR4 ECC memory, expandable to 32 GB
  • Drives sold separately
  • Sequential throughput up to 2,239 MB/s read and 1,573 MB/s write
  • 2 network ports at 2.5 GbE with aggregation, failover and load balancing
  • PCIe 3.0 slot for a 10 GbE RJ-45 or 10/25 GbE SFP+ and SFP28 card
  • 2 M.2 NVMe slots for SSD cache, without using a bay
  • RAID 1, 5, 6 and 10: work carries on even if a drive fails
  • Expandable to 18 drives and 360 TB raw with two DX525 units
  • Hot-swappable drives
  • Automatic failover to a second identical unit with Synology High Availability
  • Centralised backup of workstations, servers and VMware and Hyper-V VMs
  • Virtual machines and containers with Virtual Machine Manager
  • Video surveillance with Surveillance Station, over 8,700 camera models recognised
Ref.: DS1825+
Synology DiskStation® DS1825+ 8-Bay NAS Server — image 1
Synology DiskStation® DS1825+ 8-Bay NAS Server — image 2
Synology DiskStation® DS1825+ 8-Bay NAS Server — image 3
Synology DiskStation® DS1825+ 8-Bay NAS Server — image 4
Synology DiskStation® DS1825+ 8-Bay NAS Server — image 5
Synology DiskStation® DS1825+ 8-Bay NAS Server — image 6

Non-contractual photos

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No exchange, return or cancellation will be accepted on the grounds that something seen in a photo (accessory, port, colour, keyboard layout, packaging…) is not found on the delivered product. Only the specifications written on the page are binding for the order.

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  • Drives not supplied : external enclosures, docking stations and NAS servers ship without a drive, unless explicitly stated.
  • Accessories : cables, adapters, caddies and screws are supplied only if the specifications say so.
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23 817,00 DHincl. VAT

Configuration · Synology DiskStation Plus

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Manufacturer's datasheetView the PDF · 2,0 Mo — downloadable

Product overview

Built for businesses looking for fast, scalable storage, the Synology DS1825+ combines power, security and flexibility. With a 4-core AMD Ryzen V1500B processor and 8 GB of DDR4 ECC RAM (expandable to 32 GB), it delivers fast transfers of up to 2,239 MB/s in reads. With its 8 bays, built-in 2.5GbE ports and 10/25GbE compatibility, it keeps pace with growing data needs. The DSM platform handles backup, sync and file sharing end to end, while compatibility with DX525 expansion units lets you scale up to 18 drives.

Processor: AMD Ryzen V1500B (4 cores / 2.2 GHz)
Memory: 8 GB DDR4 ECC SODIMM
Maximum memory: 32 GB (16 GB x 2)
Network ports: 2 x RJ-45 2.5GbE ports
USB ports: 3 x USB 3.2 Gen 1 ports
M.2 drive slots: 2 (NVMe) for cache

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Technical specifications

Technical specifications
ProcessorAMD Ryzen V1500B
Processor details4 cores, 64-bit architecture
Surveillance cameras2 camera licences included
Hardware encryptionYes
Installed RAM8 GB DDR4 ECC SODIMM
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 consumption60.10 W (access)
Standby power consumption18.34 W (drive hibernation)
Interfaces3 x USB 3.2 Gen 1
Network ports2 x RJ-45 2.5 GbE
Frequency2.2 GHz
RAM slots2 slots
Maximum hard drive capacity160 TB (8 x 20 TB), 360 TB with 2 expansion units
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 bays8 bays (up to 18 with 2 DX525 expansion units)
M.2 NVMe slots2 M.2 2280 NVMe slots (SSD cache or storage pool)
Technical specifications (continued)
Supplied storageNo drives supplied
Expansion slots1 PCIe Gen3 x8 slot (x4 link), for 10 GbE or 10/25 GbE SFP+ network card
Power supplyInternal 250 W PSU, 100-240 V
Weight6 kg
Dimensions166 x 343 x 243 mm (H x W x D)
Box contentsMain unit, accessory pack, power cord, 2 RJ-45 cables
Operating temperature0 °C to 40 °C
File systemInternal: Btrfs, ext4 — External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT
Sharing protocolsSMB, AFP, NFS, FTP, WebDAV, Rsync
Fan2 fans (120 x 120 x 25 mm)
Noise level23.8 dB(A)
Form factorDesktop enclosure
Drive bays8 bays
Built-in M.2 slotsYes
Port speed2.5 Gbps (Multi-Gig)
Drives includedNo
Redundant power supplyNo
NAS processorAMD Ryzen
Warranty3 years

Specific references

EAN4711174726028

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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

Does the DS1825+ have network ports faster than Gigabit?
Yes, two 2.5 GbE ports built in, which can be aggregated, with automatic failover and load balancing. That is two and a half times the speed of a Gigabit port with no change of cabling: a Cat 5e RJ-45 cable is enough for 2.5 GbE.
Can the DS1825+ be upgraded to 10 or 25 Gigabit?
Yes, through its PCIe 3.0 slot, which accepts a 10 GbE RJ-45 card or a 10/25 GbE SFP+ and SFP28 card. The choice depends on your switch: RJ-45 is cabled in copper, while SFP requires modules.
Does the DS1825+ SSD cache take up a drive bay?
No. The two M.2 NVMe slots are separate from the eight bays: you add cache without sacrificing capacity. NVMe SSDs are ordered separately, like the drives.
Are drives included with the Synology DS1825+?
No, they are ordered separately. The NAS is supplied empty, its eight bays ready to take your drives. This is the main item in the budget: across eight bays, it far exceeds the price of the chassis.
What transfer speeds does the DS1825+ reach?
Up to 2,239 MB/s sequential read and 1,573 MB/s sequential write. The gap between the two is structural: writing to a RAID-protected volume costs more than reading. The processor is a 4-core, 2.2 GHz AMD Ryzen V1500B.
How far can the DS1825+ grow?
Up to 18 drives and 360 TB raw, with two DX525 expansion units. You start with the eight internal bays and expand later, without replacing the NAS or rebuilding the volumes in place.
Can the DS1825+ host virtual machines?
Yes, through Virtual Machine Manager, which manages virtual machines and containers. It can also provide centralised backup of the workstations, servers and VMware and Hyper-V virtual machines across your IT estate.
Will my IP camera be recognised by the DS1825+?
Surveillance Station recognises more than 8,700 camera models: compatibility is very broad, but it should be checked model by model before buying the cameras. The NAS then becomes a network video recorder in addition to its role as a file server.
How can you avoid service interruptions with the DS1825+?
By pairing two identical units with Synology High Availability: the second automatically takes over if the first fails. On the drive side, RAID 1, 5, 6 and 10 withstand the failure of one drive, which can be hot-swapped.
Is the Synology DS1825+ new and under warranty?
New, part number DS1825+, in original Synology packaging, with a 3-year warranty, the invoice serving as the warranty document. It comes with 8 GB of DDR4 ECC, expandable to 32 GB, and three USB 3.2 Gen 1 ports.

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