Model |
Synology DiskStation DS1520+ |
Form Factor |
Desktop NAS (5-bay) |
CPU |
Intel Celeron J4125 Quad-Core 2.0 GHz (burst up to 2.7 GHz) |
Memory (RAM) |
8 GB DDR4 (non-expandable) |
Drive Bays |
5 x 3.5″/2.5″ SATA HDD/SSD (expandable up to 15 drives with expansion units) |
Expansion Units |
Supports 2 x DX517 (for up to 15 drives total) |
M.2 NVMe Slots |
2 x M.2 2280 NVMe SSD slots (for SSD cache acceleration only) |
Max Raw Capacity |
Up to 80 TB (with 5 x 16 TB drives, actual usable capacity varies) |
RAID Support |
Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, 1, 5, 6, 10 |
Network Ports |
4 x Gigabit Ethernet (Link Aggregation / Failover support) |
PCIe Expansion Slot |
❌ Not available |
USB Ports |
2 x USB 3.2 Gen 1 |
eSATA Ports |
2 x eSATA |
Power Supply |
120W external power adapter |
Cooling |
2 x 92mm fans (system-controlled) |
Operating System |
Synology DiskStation Manager (DSM) |
Virtualization Support |
VMware vSphere, Microsoft Hyper-V, Citrix, OpenStack |
File System |
EXT4 (internal); EXT4, FAT, NTFS, HFS+, exFAT (external) |
Dimensions |
166 x 230 x 223 mm |
Weight |
2.63 kg (without drives) |
Warranty |
3-Year Limited Warranty |
Ideal For |
Home users, small teams, content creators, media server, backups |