Description

Hardware Specifications

Model	DS1525+
CPU	AMD Ryzen V1500B Quad‑core, 2.2 GHz (64‑bit)
Hardware Encryption Engine	Yes
System Memory	8 GB DDR4 ECC SODIMM (1×8 GB, expandable to 32 GB)
Drive Bays	5 × 3.5″/2.5″ SATA HDD/SSD; hot-swappable
Expansion Bays	Supports up to 15 bays via 2 × DX525 units
M.2 NVMe Slots	2 × M.2 2280 NVMe slots (for cache or storage pools)
LAN Ports	2 × 2.5 GbE RJ‑45; optional 10GbE via PCIe upgrade
USB Ports	2 × USB 3.2 Gen 1
PCIe Expansion	1 × Gen3 x2 slot (for E10G22‑T1‑Mini)
Fans	2 × 92 mm fans
Dimensions (HxWxD)	166 × 230 × 223 mm; 2.67 kg
Power	100–240 V AC, 50/60 Hz
Operating Temp	0°C to 40 °C
Storage Temp	–20°C to 60 °C
Humidity	5% to 95% RH
Altitude	Up to 5,000 m
Warranty	3 years (extendable to 5 years)

Operating System	DiskStation Manager (DSM) 7.x
File System	Internal: Btrfs, EXT4; External: Btrfs, EXT4, EXT3, FAT32, NTFS, HFS+, exFAT
Supported RAID Types	SHR, Basic, JBOD, RAID 0/1/5/6/10
Max Single Volume Size	200 TB (32 GB memory required)
Max Internal Volumes	32
SSD Cache Support	Read/write cache with Synology NVMe SSDs
Snapshot Replication	Yes
Virtualization Support	VMware vSphere, Hyper‑V, Citrix XenServer, OpenStack, Docker, Virtual Machine Manager
Surveillance Station	Supports up to 40 IP cameras (2 free licences)
Security Features	Encryption, snapshot, SED support, application-aware snapshots
Backup Solutions	Synology Drive, Active Backup Suite, Hyper Backup
Collaboration	Synology Office, Chat, Calendar, MailPlus (5 accounts), Synology Drive
Networking Protocols	SMB, AFP, NFS, FTP, WebDAV, iSCSI, SNMP, VPN (PPTP/OpenVPN/L2TP), SSH
Web Browsers	Chrome, Firefox, Edge, Safari (iOS 10+, Android 6+)
Mobile Apps	DS cam, Synology Drive, Office, Chat, Hyper Backup, Snapshot Replication, Virtual Machine Manager

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