Overview
The Synology DS1525+ is a new‑generation 5‑bay NAS aimed at professionals, SMEs and demanding IT environments. It delivers configurable hardware, reliable performance and scalable storage flexibility, sold disk‑less for complete customisation.
Powered by an AMD Ryzen V1500B (quad‑core, 2.2 GHz) and 8 GB DDR4 ECC RAM (expandable to 32 GB), it handles critical workloads such as multi‑site backups, virtualisation, IP surveillance and secure collaboration.
Modern connectivity includes 2 × 2.5 GbE RJ45 ports (link‑aggregation supported), 2 M.2 NVMe slots for cache or storage pools (Synology certified SSDs only), and a PCIe Gen3 ×2 slot for 10 GbE upgrade (module E10G22‑T1‑Mini).
🔧 Key Features
- CPU: AMD Ryzen V1500B – 4 cores / 8 threads @ 2.2 GHz
- Memory: 8 GB DDR4 ECC RAM (upgradable to 32 GB)
- Storage: 5 hot‑swappable 3.5"/2.5" SATA bays
- SSD Cache: 2 × M.2 NVMe 2280 (Synology SSDs only)
- Network: 2 × 2.5 GbE RJ45 (link‑aggregation supported)
- Expansion: 1 × PCIe Gen3 ×2 slot for optional 10 GbE
🔐 Security & Reliability
- Hardware encryption via AES‑NI
- Btrfs snapshots for fast recovery
- Advanced user rights management
- Cloud backup compatibility: Synology C2, Amazon S3, Google Drive
- Network redundancy: failover and link aggregation
💼 Recommended Use Cases
- Multi‑site centralised backups
- Collaborative file sharing (Synology Drive / Office)
- Virtual machine hosting (Windows / Linux)
- Docker or Kubernetes containers
- IP surveillance up to 40 cameras (requires licence)
📦 In the Box
- 1 × Synology DS1525+ (disk‑less)
- 1 × 120 W power adapter
- 1 × mains power cable
- 2 × Cat5e Ethernet cables
- Screw kit
- Quick installation guide (FR / EN)
📊 Technical Specifications
| Component |
Specification |
| Processor |
AMD Ryzen V1500B – 4 cores @ 2.2 GHz |
| Memory |
8 GB DDR4 ECC RAM (expandable to 32 GB) |
| Drive bays |
5 × 3.5"/2.5" SATA (hot‑swap) |
| SSD cache |
2 × M.2 NVMe 2280 (Synology SSDs only) |
| Networking |
2 × 2.5 GbE RJ45 |
| PCIe expansion |
1 × Gen3 ×2 slot (10 GbE option) |
| External ports |
2 × USB 3.2 Gen1 |
| Cooling |
2 × 92 mm fans (~22 dB) |
| Power supply |
External 120 W adapter |
| Dimensions / weight |
166 × 230 × 223 mm / ~2.67 kg |
🧩 Compatible Accessories
- Synology SNV3400 / SNV3410 NVMe SSDs
- 10 GbE upgrade: Synology E10G22‑T1‑Mini
- Expansion units: DX525 (up to 15 bays via USB‑C)
- Compatible UPS: APC Smart‑UPS and Synology‑certified models
✅ Warranty & Support
- Manufacturer’s warranty: 3 years
- Extendable to 5 years with Extended Warranty Plus
- Professional support included (via DSM)
ℹ️ Disk compatibility note
Important: The DS1525+ requires Synology‑certified HDDs or SSDs for DSM installation, storage pool creation, RAID setup and SSD cache usage.
Use of non‑verified third‑party drives is blocked under Synology’s 2025.
❓ Frequently Asked Questions
Which drives are compatible with the DS1525+?
As of 2025, Synology requires only certified Synology HDDs/SSDs. Using third-party drives may trigger alerts or block DSM installation.
Can NVMe SSDs be used as cache?
Yes, the DS1525+ includes 2 × M.2 NVMe 2280 slots, but only Synology SSDs (SNV3400/SNV3410) are supported.
Is storage expansion possible?
Yes, up to 2 × DX525 units can be connected via USB-C for a total of 15 bays.
Which 10 GbE card is recommended?
The Synology E10G22‑T1‑Mini is the recommended card, compatible with the PCIe Gen3 x2 slot.
Is this NAS suitable for IP surveillance?
Yes, via Surveillance Station (license required), supporting up to 40 IP cameras.
