Synology DiskStation DS725+ 2 Drive Bays NAS Server
2-bay with expansion Up to 140 TB of raw storage with expansion unit
High-speed storage Built-in 2.5GbE port and over 276/224 MB/s sequential read/write
Versatile applications Back up multiple endpoints, manage 40 IP cameras, or safely sync and share files across sites
| Synology NAS Specifications (AMD Ryzen R1600) | |
|---|---|
| CPU | AMD Ryzen R1600, 2 cores, 64-bit, 2.6 GHz (base) / 3.1 GHz (turbo) |
| Encryption Engine | Yes |
| Memory | |
| System Memory | 4 GB DDR4 ECC SODIMM (1 × 4 GB) |
| Memory Slots | 2 |
| Max Memory Capacity | 32 GB (16 GB × 2) |
| Memory Notes | Synology recommends only Synology memory; mixed modules not supported. |
| Storage | |
| Drive Bays | 2 |
| Max Drive Bays | 7 (with DX525 × 1 expansion unit) |
| M.2 Slots | 2 × M.2 2280 NVMe SSD (non-hot-swappable) |
| Drive Compatibility | 3.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD |
| Hot Swappable Drives | Only 3.5" and 2.5" drives (not M.2) |
| Connectivity | |
| LAN Ports | 1 × 1GbE RJ-45, 1 × 2.5GbE RJ-45 |
| USB Ports | 1 × USB 3.2 Gen 1 |
| Expansion Port | 1 × USB Type-C |
| Physical | |
| Dimensions (H × W × D) | 166 × 106 × 223 mm |
| Weight | 1.51 kg |
| System Fan | 1 × 92 mm |
| Fan Modes | Full-Speed, Cool, Quiet |
| Front LEDs | Brightness adjustable |
| Noise Level | 17.9 dB(A) |
| Power | |
| Power Recovery | Yes |
| Power Scheduler | Yes |
| Wake on LAN/WAN | Yes |
| Power Adapter | 65 W |
| AC Input Voltage | 100 V – 240 V AC, 50/60 Hz, Single Phase |
| Power Consumption | 20.41 W (Access), 7.87 W (HDD Hibernation) |
| Thermal Output (BTU) | 69.61 BTU/hr (Access), 26.84 BTU/hr (HDD Hibernation) |
| Environmental | |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | −20°C to 60°C (−5°F to 140°F) |
| Operating Humidity | 8% to 80% RH |
| Storage Humidity | 5% to 95% RH |
| Certifications | FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS |
| Environment | RoHS Compliant |
| Warranty & Accessories | |
| Packaging Content | Main Unit, Accessory Pack, AC Adapter, Power Cord, 2 × RJ-45 LAN Cables |
| Optional Accessories | DDR4 ECC RAM (D4ES04-4G / D4ES03-8G / D4ES03-16G), DX525 Expansion, HAT5300, HAT3300, SAT5200, SNV3400, SNV5400 |
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