Synology DiskStation DS1525+ 5-Bay Plus NAS (Expandable to 15 Bays)
PRODUCT DESCRIPTION
Synology DiskStation DS1525+ 5-Bay Plus NAS DS1525+ - 3 Years Warranty
5 Bays for Business Data
The DS1525+ is a 5-bay Plus-series DiskStation for growing businesses, scaling to 15 drives with two DX525 expansion units.
Ready for 10GbE
Dual 2.5GbE ports come standard, and a dedicated PCIe Gen3 x2 slot accepts the Synology E10G22-T1-Mini 10GbE card.
ECC Memory and NVMe
AMD Ryzen V1500B, 8 GB DDR4 ECC memory (up to 32 GB) and two M.2 NVMe slots keep backups, VMs and shared folders responsive.
Synology DS1525+ Datasheet — Technical Specifications
General
| Product Name | Synology DiskStation DS1525+ |
| Model | DS1525+ |
| Form Factor | 5-bay desktop |
| UPC / EAN | 846504006014 / 4711174726011 |
| Warranty | 3 years (Synology), extendable to 5 years with EW201 |
Processor & Memory
| CPU | AMD Ryzen V1500B, 4-core / 8-thread, 2.2 GHz |
| Hardware Encryption | Yes |
| Memory | 8 GB DDR4 ECC SODIMM |
| Memory Slots / Max | 2 slots, up to 32 GB |
Storage
| Drive Bays | 5 x 3.5" SATA HDD or 2.5" SATA SSD |
| M.2 Slots | 2 x M.2 2280 NVMe |
| Expansion | Up to 15 drives with 2 x DX525 |
| Hot-Swap | Yes (SATA bays) |
| Max Single Volume | 108 TB (200 TB with 32 GB memory) |
Ports
| LAN | 2 x 2.5GbE RJ-45 |
| USB | 2 x USB 3.2 Gen 1 |
| Expansion Ports | 2 x USB Type-C (for DX525) |
| PCIe | 1 x Gen3 x2 network upgrade slot (E10G22-T1-Mini) |
Power & Physical
| Power Supply | 120 W, 100–240 V AC |
| Power Consumption | 44.56 W (access), 13.63 W (HDD hibernation) |
| Fans | 2 x 92 mm |
| Noise Level | 22.6 dB(A) |
| Operating Temperature | 0–40 °C |
| Dimensions (H x W x D) | 166 x 230 x 223 mm |
| Weight | 2.67 kg |
Compatibility & Applications
Typical Use
Departmental and SME file server, backup target for PCs, servers and Microsoft 365, virtualisation and video surveillance.
Drives
Synology states compatible drives are required for this model; use Synology Plus / Enterprise HDDs and check the compatibility list.
Network Upgrade
The 10GbE upgrade uses the E10G22-T1-Mini. The E10G18-T1 and E10G30-T2 cards are not compatible with the DS1525+.
Package Contents & Synology Ordering Information
In the Box
1 x DS1525+ main unit, 1 x AC power cord, RJ-45 LAN cables, accessory kit, quick installation guide. Drives not included.
Synology NAS Models at SourceIT
| Model | Key feature |
| DS223j | 2-bay, Realtek RTD1619B, 1 GB, 1 x 1GbE — entry personal cloud |
| DS223 | 2-bay, Realtek RTD1619B, 2 GB, 1 x 1GbE, 3 x USB, hot-swap bays |
| DS225+ | 2-bay Plus, Intel Celeron J4125, 2 GB, 1GbE + 2.5GbE |
| DS725+ | 2-bay Plus (7 with DX525), AMD Ryzen R1600, 4 GB ECC, 1GbE + 2.5GbE, 2 x M.2 |
| DS425+ | 4-bay Plus, Intel Celeron J4125, 2 GB, 1GbE + 2.5GbE, 2 x M.2 |
| DS925+ | 4-bay Plus (9 with DX525), AMD Ryzen V1500B, 4 GB ECC, 2 x 2.5GbE, 2 x M.2 |
| DS1525+ (this listing) | 5-bay Plus (15 with 2 x DX525), AMD Ryzen V1500B, 8 GB ECC, 2 x 2.5GbE, 10GbE upgrade slot |
| DS1825+ | 8-bay Plus (18 with 2 x DX525), AMD Ryzen V1500B, 8 GB ECC, 2 x 2.5GbE, PCIe slot |
| RS822RP+ | 1U 4-bay rackmount (8 with RX418), AMD Ryzen V1500B, 2 GB ECC, 4 x 1GbE, redundant PSU |
Official Synology Videos
Introducing DiskStation Manager 7.3 (official Synology channel)
Introducing Synology Active Backup for Business (official Synology channel)
Datasheet & Downloads
| Datasheet | DS1525+ Datasheet (PDF) |
| Specifications | DS1525+ specifications on synology.com |
| Drive compatibility | Synology compatibility list |
| Downloads (DSM, utilities) | DS1525+ Download Center |
Frequently Asked Questions — Synology DS1525+
Are hard drives included?
No. The DS1525+ is diskless.
Which 10GbE card fits?
The Synology E10G22-T1-Mini, in the dedicated network upgrade slot.
How far can it expand?
To 15 drives with two DX525 expansion units.
What warranty do I get?
3 years Synology warranty, extendable with EW201.
Do I get a GST invoice?
Yes. Supplied by SourceIT in Singapore with a GST invoice.
