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Synology DiskStation DS223j

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Synology DiskStation DS223j

CPU:
Realtek RTD1619B, 4 cores, 4 threads, 64-bit
Memory:
1 GB DDR4 non-ECC
Drive bays:
2 x 3.5" SATA HDD or 2.5" SATA SSD, hot-swappable

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Package details

Model: DiskStation DS223j

DS223j, diskless US version

Condition:
Confirm new or reconditioned on the listing
Quantity:
Confirm package quantity on the listing
Included essentials:
Main unit, accessory pack, AC power adapter, AC power cord, RJ-45 LAN cable, quick installation guide

Important limit: 1 GB of non-expandable RAM limits simultaneous app use and photo libraries

How many units?

Confirm condition, quantity and included accessories on the retailer’s listing.

Specifications checked November 5, 2026. Full product details

A NAS. Then the drives.

Your files, your hardwareLook inside the box

What will your NAS do?

Choose the job first. Then check drives and the network.

NAS job

Choose a job to reveal the hardware trade-off.

Synology DiskStation DS223j: 2 SATA bays, empty in the diskless enclosure.ENCLOSURE / SATA DRIVE PLANEmptyBayEmptyBay2 SATA bays · drives are purchased separately
SATA bay diagram · schematic, not physical scale

Empty bays do not store files. The enclosure and the drives are separate purchases. Check the maker’s drive and firmware compatibility list.

Selected enclosureKnow what is included

Synology DiskStation DS223j

Realtek RTD1619B

✓ NAS enclosureDrives sold separately
SATA bays
2
Installed RAM
1 GB
Fastest Ethernet
1 Gbps

Choose the job

The enclosure is only the beginning.

Look at the drive bays, then check the software and network your job needs.

The trap to avoid

Bay count does not tell you whether any drives are included. Match the exact enclosure or bundle.

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Source specs & exact version

Synology DiskStation DS223j 2-Bay NAS

DS223j, diskless US version

Recorded model: DiskStation DS223j

Specifications checked 2026-11-05.

Memory
1 GB DDR4 non-ECC
Drive bays
2 x 3.5" SATA HDD or 2.5" SATA SSD, hot-swappable
Drives
None included; drives sold separately

Raw capacity is before RAID and formatting. The example does not establish drive compatibility.

Capacity reference: Seagate Expansion Desktop 8TB External Hard Drive (STKP8000400). Capacity: 8TB. Drive manufacturer specification ↗

Drive planning and software explained →

Photo credit: manufacturer image source ↗

Specifications explain hardware limits. No performance tests are claimed.

Size and package

Size and placement

Size (H x W x D)
165 x 100 x 225.5 mm
Weight
0.88 kg

In the box

Main unit, accessory pack, AC power adapter, AC power cord, RJ-45 LAN cable, quick installation guide

Manufacturer specifications

Synology DiskStation DS223j 2-Bay NAS

Synology's entry-level two-bay desktop NAS, running the full DSM software on a quad-core Realtek CPU with 1 GB of RAM.

Why people pick it

  • Full Synology DSM platform with Photos, Drive and Hyper Backup at the lowest hardware entry point
  • Btrfs snapshots give file-level rollback normally reserved for pricier models
  • Very light at 0.88 kg and quiet at 18.2 dB(A)
  • Same quad-core Realtek CPU family as the DS223

Know before you buy

  • 1 GB of non-expandable RAM limits simultaneous app use and photo libraries
  • Only two USB ports and no front USB copy button
  • Single 1GbE port
  • No NVMe SSD slots for caching

Full specifications

CPURealtek RTD1619B, 4 cores, 4 threads, 64-bit
Memory1 GB DDR4 non-ECC
Drive bays2 x 3.5" SATA HDD or 2.5" SATA SSD, hot-swappable
Ethernet1 x RJ-45 1GbE LAN port
USB2 x USB 3.2 Gen 1 ports
File systemBtrfs (internal and external), ext4 (internal)
DrivesNone included; drives sold separately
Size (H x W x D)165 x 100 x 225.5 mm
Weight0.88 kg
Noise level18.2 dB(A)
Power supply60 W adapter, 100V to 240V AC
Power consumption16.31 W (access), 4 W (HDD hibernation)
Operating temperature0°C to 40°C (32°F to 104°F)
Warranty2-year hardware warranty, extendable to 4 years with Extended Warranty Plus (Europe and North America)
In the boxMain unit, accessory pack, AC power adapter, AC power cord, RJ-45 LAN cable, quick installation guide

From manufacturer documentation, checked November 5, 2026. Spotted an error? Tell us.

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