Synology DiskStation DS1525+ Tower 5-Bay Sata HDD 3.5” Sata SSD 2.5” , M.2 2280 NVMe SSD
953.30 €
DS1525+
Hardware Specifications
| 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 | Use identical Synology ECC modules; non-Synology RAM voids support |
| Drive Bays | 5 |
| Max Drive Bays with Expansion | 15 (DX525 × 2) |
| M.2 Drive 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 hot-swappable) |
| LAN Ports | 2 × RJ-45 2.5GbE |
| USB Ports | 2 × USB 3.2 Gen 1 |
| Expansion Ports | 2 × USB-C |
| PCIe Expansion | 1 × Gen3 x2 (network upgrade slot) |
| Dimensions (H × W × D) | 166 × 230 × 223 mm |
| Weight | 2.67 kg |
| System Fans | 2 × 92 × 92 mm |
| Fan Modes | Full-Speed / Cool / Quiet |
| Adjustable LED Brightness | Yes |
| Power Recovery | Yes |
| Noise Level | 22.60 dB(A) |
| Scheduled Power On/Off | Yes |
| Wake on LAN / WAN | Yes |
| Power Supply | 120 W |
| AC Input Voltage | 100–240 V AC |
| Power Frequency | 50/60 Hz |
| Power Consumption (Access) | 44.56 W |
| Power Consumption (HDD Hibernation) | 13.63 W |
| BTU (Access) | 151.95 BTU/hr |
| BTU (HDD Hibernation) | 46.48 BTU/hr |
| 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-years) |
| Environmental Compliance | RoHS |
| Package Contents | Main Unit, Accessory Pack, AC Adapter, AC Power Cord, 2 × RJ-45 LAN Cables |
| Optional Accessories | DDR4 ECC SODIMM (D4ES03-8G / D4ES03-16G), DX525 Expansion Unit, HAT5300 Series HDD, HAT3300 Series HDD, SAT5200 SSD, SNV3400/SNV5400 NVMe SSD, E10G22-T1-Mini 10GbE Module |
Software Specifications
| 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 |
| 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 require 32 GB RAM; actual usable capacity varies; M.2 pools require Synology-verified SSDs |
| Internal Drive File System | Btrfs, ext4 |
| External Drive File System | Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT |
| Supported File Protocols | SMB, AFP, NFS, FTP, WebDAV, Rsync |
| Max SMB Connections (FSCT) | 40 |
| Windows ACL Support | Yes |
| NFS Kerberos Authentication | Yes |
| File Services Notes | Tested with full drive population and all NICs enabled; FSCT workload: HomeFolder; 8 Windows 10 clients |
| Maximum Local Users | 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 | 800 |
| VMware Support | ESXi 6.5 → 8.0 U2 |
| Microsoft Hyper-V Support | Windows Server 2022 |
| Citrix Support | XenServer 8, Citrix Hypervisor 8.2 LTSR CU1 |
| OpenStack | Cinder |
| Supported Protocols | 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 |
| Maximum De-Identification Rate | 40 words/sec |
| AI Notes | Requires 8 GB RAM & Container Manager |
| Synology Chat – Max Users | 150 |
| Chat Notes | Tested with users having 20,000 messages; RAM fully expanded |
| Download Station – Max Tasks | 80 |
| Max iSCSI Targets | 64 |
| Max LUNs | 128 |
| LUN Clone/Snapshot / Windows ODX | Supported |
| MailPlus Free Accounts | 5 |
| MailPlus Max Users | 100 |
| MailPlus Notes | Includes antivirus, antispam, DNSBL, greylist, full-text search |
| Media Server (DLNA) | 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 Licenses | 2 |
| Max IP Cameras (H.264) | 1080p: 40ch/1050 FPS • 3MP: 40ch/600 FPS • 5MP: 30ch/360 FPS • 4K: 20ch/200 FPS |
| Max IP Cameras (H.265) | 1080p: 40ch/1200 FPS • 3MP: 40ch/1000 FPS • 5MP: 40ch/600 FPS • 4K: 30ch/300 FPS |
| Surveillance Notes | Full drive population; default memory; continuous recording |
| Synology Drive – Max Users | 80 |
| Synology Drive – Max Hosted Files | 500,000 |
| Drive Notes | 20% active / 80% idle workload; single SSD volume |
| Synology Office – Max Users | 80 |
| Office Notes | 20% active / 80% viewing; client PCs with i3-3220/8GB |
| Virtual Machine Manager – Recommended VMs | 8 |
| Virtual DSM – Recommended Instances | 8 (1 free license included) |
| VMM Notes | Depends on RAM configuration |
| VPN Server – Max Connections | 8 |
