The Synology DS1522+ is a versatile 5-bay NAS solution that is easy to scale and expand as your needs change, with optional support for up to 15 drives, fast networking, and NVMe SSD caching. Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronization, backup, and surveillance.
Simply faster
DS1522+ can handle more demanding application workloads and a greater number of concurrent users compared to prior-generation systems. Experience faster file indexing in Synology Drive, photo organization in Photos, and concurrent file transfers.
Flexible networking options
Leverage built-in connectivity to integrate the DS1522+ into any network environment, or expand its capabilities by adding plug-and-play modules.
Everything you need for your home office
Make the most of high-performance networking and file access without taking up unnecessary space. DS1522+ comes equipped with 5 bays and can scale up to 15 bays with 2 DX517 expansion units as your data needs grow.
Store, share, and protect
Manage all your documents, photos, and other files, back up applications and devices, or protect your assets with professional video surveillance.
File Server
Store and access files from all your devices, and protect them with smart versioning. Sort, manage, share, and sync your data across locations.
Multi-Layered Backup
Back up files, folders, physical devices, VMs, and SaaS applications with free solutions, and protect your NAS with built-in technologies.
Smart Surveillance
Transform your Synology device into a full-featured video management system for a wide range of compatible IP cameras.
| Storage |
|---|
| Supported file systems |
BTRFS, Fat, FAT32, HFS+, NTFS, exFAT, ext3, ext4 |
| Hot-swap drive bays |
Yes |
| Online RAID expansion |
Yes |
| Online RAID migration |
Yes |
| RAID levels |
0, 1, 5, 6, 10, JBOD |
| RAID support |
Yes |
| Number of M.2 (M & B) slots |
2 |
| Storage drive sizes supported |
2.5,3.5,M.2 |
| Supported storage drive interfaces |
Serial ATA II, Serial ATA III |
| Storage drive interface |
Serial ATA III |
| Storage drive capacity |
4 TB |
| Supported storage drive types |
HDD & SSD |
| Installed storage drive type |
HDD |
| Number of storage drives supported |
5 |
| Number of storage drives installed |
5 |
| Total installed storage capacity |
20 TB |
| Storage drives installed |
Yes |
| Processor |
|---|
| Number of processors supported |
1 |
| L3 cache |
4 MB |
| L2 cache |
1 MB |
| Processor threads |
4 |
| Processor cores |
2 |
| Processor boost frequency |
3.1 GHz |
| Processor frequency |
2.6 GHz |
| Processor model |
R1600 |
| Processor generation |
AMD Ryzen Embedded R1000 Series |
| Processor family |
Ryzen Embedded |
| Processor manufacturer |
AMD |
| Memory |
|---|
| Memory form factor |
SO-DIMM |
| Memory slots |
2 |
| ECC |
Yes |
| Maximum RAM supported |
32 GB |
| Internal memory type |
DDR4 |
| Internal memory |
8 GB |
| Network |
|---|
| Supported network protocols |
SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP, OpenVPN, L2TP) |
| Link aggregation |
Yes |
| Wake-on-LAN ready |
Yes |
| iSCSI support |
Yes |
| Copper ethernet cabling technology |
10BASE-T, 100BASE-TX, 1000BASE-T |
| Ethernet LAN data rate supported (max) |
10000 Mbit/s |
| Ethernet LAN data rates |
10,100,1000 Mbit/s |
| Ethernet LAN |
Yes |
| Ports & interfaces |
|---|
| PCI Express x2 (Gen 3.x) slots |
1 |
| Concurrent connections |
2000 |
| eSATA ports quantity |
2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity |
2 |
| USB port |
Yes |
| Ethernet LAN (RJ-45) ports |
4 |
| Design |
|---|
| Cable lock slot type |
Kensington |
| Cable lock slot |
Yes |
| LED indicators |
Yes |
| Drive bay locking |
Yes |
| Fan diameter |
9.2 cm |
| Number of fans |
2 fan(s) |
| Product colour |
Black |
| Cooling type |
Active |
| Chassis type |
Tower |
| Performance |
|---|
| Security algorithms |
AES, HTTPS, SSH, SSL/TLS |
| Access Control List (ACL) |
Yes |
| Reset button |
Yes |
| On/off switch |
Yes |
| Built-in UPnP AV media server |
Yes |
| Built-in FTP server |
Yes |
| Browser supported |
Google Chrome, Firefox, Microsoft Edge, Safari |
| Hot spare |
Yes |
| System log |
Yes |
| Share folder |
SMB/NFS/AFP/FTP |
| Management protocols |
SNMP |
| Web-based management |
Yes |
| Snapshot |
Yes |
| Video input channels |
2 channels |
| Noise level |
22.9 dB |
| Number of users |
2048 user(s) |
| Multilingual support |
Yes |
| Backup features |
Cloud, iSCSI LUN |
| Backup function |
Yes |
| Device class |
Home & Home Office |
| Type |
NAS |
| Software |
|---|
| Other operating systems supported |
Android, iOS |
| Mac operating systems supported |
Yes |
| Linux operating systems supported |
Yes |
| Windows operating systems supported |
Yes |
| Operating system installed |
DiskStation Manager |
| Power |
|---|
| AC input frequency |
50/60 Hz |
| AC input voltage |
100 - 240 V |
| Power consumption (HDD standby) |
16.71 W |
| Power consumption (typical) |
52.06 W |
| Redundant power supply (RPS) support |
No |
| Number of power supply units |
1 |
| Power supply unit (PSU) capacity |
120 W |
| Power supply location |
External |
| Weight & dimensions |
|---|
| Height |
166 mm |
| Depth |
223 mm |
| Width |
230 mm |
| General |
|---|
| Product family |
DiskStation |
| Sustainability |
|---|
| Sustainability compliance |
Yes |
| Packaging content |
|---|
| Power cables quantity |
1 |
| Cables included |
AC, LAN (RJ-45) |
| External power adapter |
Yes |
| Operational conditions |
|---|
| Storage temperature (T-T) |
-20 - 60 °C |
| Storage relative humidity (H-H) |
5 - 95% |
| Operating altitude |
0 - 5000 m |
| Operating relative humidity (H-H) |
5 - 95% |
| Operating temperature (T-T) |
0 - 40 °C |
| Other features |
|---|
| Compliance certificates |
BSMI, CCC, EAC, Federal Communications Commission (FCC), KC, RCM, RoHS, UKCA, VCCI |
