Synology DiskStation DS223j 2-Bay Personal Cloud NAS
PRODUCT DESCRIPTION
Synology DiskStation DS223j 2-Bay NAS DS223j - 2 Years Warranty
Your Own Private Cloud
The DS223j is Synology's entry 2-bay DiskStation for homes and small offices: centralise files, back up phones and computers, and reach your data from anywhere with Synology DSM.
Quad-Core and Quiet
A Realtek RTD1619B 1.7 GHz quad-core processor with 1 GB DDR4 handles file sharing, Synology Photos and Synology Drive, at just 18.2 dB(A).
Mirror Your Data
Two drive bays support SHR and RAID 1 so a single drive failure does not take your files with it.
Synology DS223j Datasheet — Technical Specifications
General
| Product Name | Synology DiskStation DS223j |
| Model | DS223j |
| Form Factor | 2-bay desktop |
| UPC / EAN | 846504004768 / 4711174724765 |
| Warranty | 2 years (Synology), extendable to 4 years |
Processor & Memory
| CPU | Realtek RTD1619B, 4-core / 4-thread, 1.7 GHz, 64-bit |
| Memory | 1 GB DDR4 non-ECC (not upgradable) |
Storage
| Drive Bays | 2 x 3.5" SATA HDD or 2.5" SATA SSD (2.5" needs optional Disk Holder Type C) |
| Hot-Swap | No |
| RAID | SHR, Basic, JBOD, RAID 0, RAID 1 |
| Max Single Volume | 108 TB |
Ports
| LAN | 1 x 1GbE RJ-45 |
| USB | 2 x USB 3.2 Gen 1 |
Power & Physical
| Power Supply | 60 W adapter |
| Power Consumption | 16.31 W (access), 4 W (HDD hibernation) |
| Fan | 1 x 92 mm |
| Noise Level | 18.2 dB(A) |
| Operating Temperature | 0–40 °C |
| Dimensions (H x W x D) | 165 x 100 x 225.5 mm |
| Weight | 0.88 kg |
Compatibility & Applications
Typical Use
Home and small-office file server, phone photo backup with Synology Photos, PC backup and personal cloud file sync with Synology Drive.
Drives
Supplied diskless. Use 3.5" SATA drives from Synology's compatibility list, such as the Synology Plus Series HDD.
Selection Tip
Need hot-swap bays, 2 GB memory and an extra USB port? Choose the DS223. For more performance and 2.5GbE, step up to the DS225+.
Package Contents & Synology Ordering Information
In the Box
1 x DS223j main unit, 1 x AC power adapter, 1 x AC power cord, 2 x RJ-45 LAN cable, accessory kit, quick installation guide. Drives not included.
Synology NAS Models at SourceIT
| Model | Key feature |
| DS223j (this listing) | 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+ | 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)
How Do I Back Up My Mobile Photos to My Synology NAS (official Synology channel)
Datasheet & Downloads
| Datasheet | DS223j Datasheet (PDF) |
| Specifications | DS223j specifications on synology.com |
| Drive compatibility | Synology compatibility list |
| Downloads (DSM, utilities) | DS223j Download Center |
Frequently Asked Questions — Synology DS223j
Are hard drives included?
No. The DS223j is diskless; add one or two 3.5" or 2.5" SATA drives.
Can I upgrade the memory?
No. The 1 GB DDR4 memory is fixed.
Can I access files away from home?
Yes. DSM with QuickConnect and the Synology mobile apps give remote access without router setup.
What warranty do I get?
2 years Synology warranty.
Do I get a GST invoice?
Yes. Supplied by SourceIT in Singapore with a GST invoice.
