Synology DS725+ 2-Bay NAS DiskStation Network Attached Storage
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Description
Synology DS725+ 2-Bay NAS for Home and Small Business Storage
The Synology DS725+ is a 2-bay network attached storage device powered by a dual-core AMD Ryzen R1600 processor and 4GB DDR4 ECC RAM, delivering fast, reliable private cloud storage with built-in 2.5GbE networking and dual M.2 NVMe SSD slots for caching or tiered storage.
The DS725+ is ideal for small businesses, remote workers, and home power users looking for a centralized backup solution, private photo management platform, or collaborative file-sharing server - making it a top choice for those researching compact NAS devices with expandable memory and enterprise-grade reliability on a budget.
Backed by Synology's 3-year limited warranty and certified under FCC, CE, RCM, and other global standards, the DS725+ runs Synology DSM software and integrates seamlessly with the broader Synology ecosystem including the DX525 expansion unit, Synology-verified drives, and enterprise memory modules.
Key Features of the Synology DS725+
- AMD Ryzen R1600 Dual-Core Processor: 2.6 GHz base / 3.1 GHz turbo clock speed with hardware encryption engine for fast, secure data transfers without CPU overhead.
- 2.5GbE + 1GbE Dual Networking: Built-in 2.5GbE and 1GbE LAN ports provide high-throughput connectivity for bandwidth-intensive workloads and multiple simultaneous users.
- Dual M.2 NVMe SSD Slots: Two M.2 2280 NVMe slots allow SSD read/write caching to dramatically accelerate HDD-based storage pools without consuming drive bays.
- Expandable to 140TB Raw Storage: Start with up to 40TB across 2 internal bays and expand to 140TB total by adding a Synology DX525 expansion unit.
- 4GB DDR4 ECC RAM, Upgradeable to 32GB: Error-correcting memory ensures data integrity; two SODIMM slots support up to 32GB for memory-intensive applications and larger volume sizes.
- Comprehensive RAID and Volume Management: Supports Synology Hybrid RAID, RAID 0/1/5/6/10, JBOD, and Basic configurations with online migration and hot spare support.
- Quiet and Energy Efficient: Operates at just 17.9 dB(A) with a 92mm fan, consuming only 20.41W under load and 7.87W in HDD hibernation - ideal for office or home deployment.
- Rich DSM Software Ecosystem: Synology DiskStation Manager provides file sharing (SMB, NFS, AFP, FTP, WebDAV), Hyper Backup, high availability, surveillance, and virtualization support including VMware ESXi and Microsoft Hyper-V.
Technical Specifications
- CPU: AMD Ryzen R1600, Dual-Core, 64-bit, 2.6 GHz base / 3.1 GHz turbo
- Hardware Encryption Engine: Yes
- System Memory: 4GB DDR4 ECC SODIMM (4GB x 1 pre-installed)
- Memory Slots: 2 x SODIMM; maximum 32GB (16GB x 2)
- Drive Bays: 2 (3.5 inch SATA HDD, 2.5 inch SATA SSD)
- M.2 Slots: 2 x M.2 2280 NVMe SSD (cache or storage pool)
- Hot-Swappable Drives: Yes (SATA bays only)
- Maximum Raw Storage: 40TB internal; 140TB with DX525 expansion (7 bays total)
- LAN Ports: 1 x RJ-45 2.5GbE; 1 x RJ-45 1GbE
- USB Ports: 1 x USB 3.2 Gen 1
- Expansion Port: 1 x USB Type-C
- Supported RAID Types: Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5/6/10 (with expansion unit)
- Maximum Single Volume Size: 108TB (200TB with 32GB RAM)
- Maximum Internal Volumes: 32
- File Systems (Internal): Btrfs, ext4
- File Systems (External): Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT
- File Protocols: SMB1/2/3, AFP, NFS (v3/v4/v4.1), FTP, WebDAV, Rsync, iSCSI, HTTP/HTTPS
- Maximum SMB Connections: 30
- Maximum Local Users: 512
- Maximum Shared Folders: 128
- Syslog Events per Second: 800
- Virtualization Support: VMware vSphere (ESXi 6.5-8.0), Microsoft Hyper-V (Windows Server 2022), Citrix XenServer 8, OpenStack Cinder
- System Fan: 92mm x 92mm x 1
- Noise Level: 17.9 dB(A)
- Power Consumption: 20.41W (active); 7.87W (HDD hibernation)
- Power Supply: 65W adapter, 100-240V AC, 50/60 Hz
- Operating Temperature: 0 to 40 degrees C (32 to 104 degrees F)
- Operating Humidity: 8% to 80% RH
- Certifications: FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS; RoHS Compliant
- UPC: 846504006038
- Weight: 5.49 lbs
What's Included
- DS725+ Main Unit
- Accessory Pack
- AC Power Adapter
- AC Power Cord
- RJ-45 LAN Cable x 2


