Synology DiskStation DS1825+ Tower 8-Bay Sata HDD 3.5” Sata SSD 2.5” , M.2 2280 NVMe SSD
1 366.42 €
DS1825+
Hardware Specification
| Category | Specification |
|---|---|
| CPU Model | AMD Ryzen V1500B |
| CPU Quantity | 1 |
| CPU Cores | 4 |
| CPU Architecture | 64-bit |
| CPU Frequency | 2.2 GHz |
| Hardware Encryption Engine | Yes |
| System Memory | 8 GB DDR4 ECC SODIMM |
| Pre-installed Memory | 8 GB (1 × 8 GB) |
| Total Memory Slots | 2 |
| Maximum Memory Capacity | 32 GB (2 × 16 GB) |
| Memory Notes | Synology-certified modules recommended; mixed modules not supported |
| Drive Bays | 8 |
| Maximum Drive Bays (with Expansion) | 18 (DX525 × 2) |
| M.2 Slots | 2 × NVMe (2280) |
| Supported Drive Types | 3.5" SATA HDD / 2.5" SATA SSD / M.2 NVMe SSD |
| Hot Swappable Drives | Yes (M.2 not supported) |
| Storage Notes | Full compatibility only with Synology-verified drives |
| LAN Ports | 2 × RJ-45 2.5GbE |
| USB Ports | 3 × USB 3.2 Gen 1 |
| Expansion Ports | 2 × USB-C |
| PCIe Expansion | 1 × PCIe Gen3 x8 slot (x4 link) |
| Dimensions (H × W × D) | 166 × 343 × 243 mm |
| Weight | 6 kg |
| System Fans | 2 × 120 × 120 mm |
| Fan Modes | Full-Speed / Cool / Quiet |
| Easy Fan Replacement | Yes |
| Adjustable LED Brightness | Yes |
| Power Recovery | Yes |
| Noise Level | 23.8 dB(A) |
| Scheduled Power On/Off | Yes |
| Wake on LAN / WAN | Yes |
| Power Supply | 250 W |
| AC Input Voltage | 100–240 V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption (Access) | 60.1 W |
| Power Consumption (HDD Hibernation) | 18.34 W |
| BTU (Access) | 204.94 BTU/hr |
| BTU (HDD Hibernation) | 62.54 BTU/hr |
| Environmental Notes | Noise test conducted with Synology SATA HDDs installed |
| Operating Temperature | 0°C – 40°C |
| Storage Temperature | –20°C – 60°C |
| Operating Humidity | 8% – 80% RH |
| Storage Humidity | 5% – 95% RH |
| Certifications | FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS |
| Warranty | 3-year (extendable to 5-year) |
| Warranty Notes | EW Plus in EU/US; EW201/EW202 in Asia/Africa/Oceania |
| Environmental Compliance | RoHS |
| Package Contents | Main Unit ×1, Accessory Pack ×1, Power Cord ×1, RJ-45 LAN Cables ×2 |
| Optional Accessories | D4ES03-8G/16G, DX525, HAT5300 HDD, HAT3300 HDD, SAT5200 SSD, SNV3400/SNV5400 NVMe, E25G30-F2 (25GbE), E10G30-F2 / E10G30-T2 / E10G18-T1 (10GbE NICs) |
Software Specification
| Category | Specification |
|---|---|
| Maximum Single Volume Size | 200 TB (requires 32 GB RAM) / 108 TB |
| Maximum Internal Volume Number | 32 |
| M.2 SSD Storage Pool Support | Yes |
| SSD Read/Write Cache | Yes |
| SSD TRIM | Yes |
| Supported RAID Types | SHR, Basic, JBOD, RAID 0/1/5/6/10 |
| Supported RAID Migration | Basic→RAID1, Basic→RAID5, RAID1→RAID5, RAID5→RAID6 |
| Volume Expansion (Larger HDDs) | SHR, RAID1/5/6/10 |
| Volume Expansion (Add HDD) | SHR, JBOD, RAID5/6 |
| Global Hot Spare Supported RAID Types | SHR, RAID1/5/6/10 |
| Storage Notes | Volumes >108 TB need 32 GB RAM; usable capacity varies; M.2 pools require Synology-verified SSDs |
| Internal File System | Btrfs, ext4 |
| External File System | Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT |
| Supported File Protocols | SMB, AFP, NFS, FTP, WebDAV, Rsync |
| Max SMB Connections (FSCT) | 60 |
| Windows ACL Integration | Yes |
| NFS Kerberos Authentication | Yes |
| File Services Notes | Tested with fully populated drives, FSCT workload 600 sec, 8× Windows 10 clients |
| Maximum Local User Accounts | 1,024 |
| Maximum Local Groups | 256 |
| Maximum Shared Folders | 256 |
| Max Shared Folder Sync Tasks | 8 |
| Max Hybrid Share Folders | 10 |
| Hyper Backup – Folder/Package Backup | Yes |
| Hyper Backup – Entire System Backup | Yes |
| Synology High Availability | Supported |
| Syslog Events per Second | 1,000 |
| VMware vSphere Support | ESXi 6.5 → 8.0 U2 |
| Microsoft Hyper-V Support | Windows Server 2022 |
| Citrix XenServer Support | XenServer 8, Citrix Hypervisor 8.2 LTSR CU1 |
| OpenStack | Cinder |
| Supported Protocols (General) | SMB1/2/3, NFSv3/4/4.1, Kerberized NFS, iSCSI, HTTP/HTTPS, FTP, SNMP, LDAP, CalDAV |
| Supported Browsers | Chrome, Firefox, Edge, Safari |
| Supported Languages | EN, DE, FR, IT, ES, DA, NO, SV, NL, RU, PL, HU, BR-PT, PT-PT, TR, CS, TH, JP, KR, CN (Traditional & Simplified) |
| CMS (Central Management System) | Supported |
| Synology AI Console | Supported |
| Third-Party AI Model Integration | Supported |
| Max De-Identification Rate | 60 words/second |
| AI Notes | Requires 8 GB RAM and Container Manager |
| Synology Chat – Max Users | 150 |
| Download Station – Max Tasks | 80 |
| Maximum iSCSI Targets | 64 |
| Maximum LUNs | 128 |
| LUN Clone/Snapshot / Windows ODX | Supported |
| MailPlus Free Accounts | 5 |
| MailPlus – Max Users | 120 |
| MailPlus Notes | Anti-spam/AV/DNSBL/greylist/full-text search enabled; HA reduces performance |
| DLNA Compliance (Media Server) | Supported |
| Synology Photos – Facial Recognition | Supported |
| Synology Photos – Object Recognition | Supported |
| Max Snapshots per Shared Folder | 256 |
| Max Snapshots per LUN | 64 |
| Max Snapshots per System | 4,096 |
| Max Replication Tasks (Folders) | 32 |
| Max Replication Tasks (LUNs) | 16 |
| Max Replication Tasks per System | 32 |
| Surveillance – Default Camera Licenses | 2 |
| Max Cameras & FPS (H.264) | 1080p: 40ch/1050FPS • 3MP: 40ch/600FPS • 5MP: 40ch/440FPS • 4K: 32ch/320FPS |
| Max Cameras & FPS (H.265) | 1080p: 40ch/1200FPS • 3MP: 40ch/1120FPS • 5MP: 40ch/600FPS • 4K: 40ch/480FPS |
| Surveillance Notes | Tested fully populated; continuous recording; actual performance may vary |
| Synology Drive – Max Users | 100 |
| Synology Drive – Max Hosted Files | 1,000,000 |
| Drive Notes | 20% active users; SSD volume; Btrfs; non-encrypted folders |
| Synology Office – Max Users | 100 |
| Office Notes | 20% active; client PCs i3-3220 / 8 GB RAM |
| VMM – Recommended VM Instances | 8 |
| Virtual DSM – Recommended Instances | 8 (1 license free) |
| VMM Notes | Depends on RAM configuration |
| VPN Server – Max Connections | 8 |
