Synology DiskStation DS425+ 4-Bay Plus NAS
PRODUCT DESCRIPTION
Synology DiskStation DS425+ 4-Bay Plus NAS DS425+ - 3 Years Warranty
4-Bay Storage for Growing Teams
The DS425+ gives small businesses four hot-swappable bays for centralised files, backup and collaboration on Synology DSM.
NVMe Cache or Storage
Two M.2 2280 NVMe slots can be used as an SSD cache or, with Synology-verified SSDs, as a fast storage pool.
2.5GbE Built In
A 2.5GbE port plus a 1GbE port speed up transfers without extra hardware.
Synology DS425+ Datasheet — Technical Specifications
General
| Product Name | Synology DiskStation DS425+ |
| Model | DS425+ |
| Form Factor | 4-bay desktop |
| UPC / EAN | 846504005994 / 4711174725991 |
| Warranty | 3 years (Synology), extendable to 5 years with EW201 |
Processor & Memory
| CPU | Intel Celeron J4125, 4-core / 4-thread, 2.0 GHz (burst 2.7 GHz) |
| Memory | 2 GB DDR4 non-ECC |
| Max Memory | 6 GB (2 GB + 4 GB) |
Storage
| Drive Bays | 4 x 3.5" SATA HDD or 2.5" SATA SSD |
| M.2 Slots | 2 x M.2 2280 NVMe (cache or storage pool) |
| Hot-Swap | Yes (SATA bays) |
| Max Single Volume | 108 TB |
Ports
| LAN | 1 x 2.5GbE RJ-45 + 1 x 1GbE RJ-45 |
| USB | 2 x USB 3.2 Gen 1 |
Power & Physical
| Power Supply | 90 W adapter |
| Power Consumption | 28.25 W (access), 6.10 W (HDD hibernation) |
| Fans | 2 x 92 mm |
| Noise Level | 21.6 dB(A) |
| Operating Temperature | 0–40 °C |
| Dimensions (H x W x D) | 166 x 199 x 223 mm |
| Weight | 2.18 kg |
Compatibility & Applications
Typical Use
Small-business file server, Active Backup for Business, Synology Drive, Synology Photos and Surveillance Station.
Drives
Synology lists its Plus Series HDDs (HAT3300 / HAT3310 / HAT3320), Enterprise HDDs (HAT5300 / HAT5310 / HAT5320) and Enterprise SATA SSDs for this model; check Synology's compatibility list before buying drives.
Selection Tip
Want ECC memory, dual 2.5GbE and expansion to 9 bays? Choose the DS925+.
Package Contents & Synology Ordering Information
In the Box
1 x DS425+ main unit, 1 x AC power adapter, 1 x AC power cord, RJ-45 LAN cable, 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+ (this listing) | 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+ | 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 | DS425+ Datasheet (PDF) |
| Specifications | DS425+ specifications on synology.com |
| Drive compatibility | Synology compatibility list |
| Downloads (DSM, utilities) | DS425+ Download Center |
Frequently Asked Questions — Synology DS425+
Are hard drives included?
No. The DS425+ is diskless.
Can the M.2 slots be used as storage?
Yes, as a storage pool with Synology-verified NVMe SSDs, or as SSD cache.
Can I add memory?
Yes, up to 6 GB total.
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.
