
Synology DS223j 2-bay
Score: 70/100SSK SSM-F200 2TB SSD
Score: 76/100Rankings
The SSK 2TB Portable NAS is a battery-powered personal cloud that creates its own Wi-Fi hotspot, offering up to 10-device wireless access, cross-platform compatibility, and rugged SSD storage in a pocket-sized form factor.

The DS223j is a compact, diskless two-bay NAS that delivers the full DSM experience, RAID 1 redundancy and low power draw. It's ideal for basic file storage and backup, though its single-gigabit port and limited RAM keep it from handling demanding media tasks.
| Attribute | ![]() | SSK SSM-F200 2TB SSD |
|---|---|---|
— | 2 TBbest | |
2best | — | |
1 Gbpsbest | — | |
4best | — | |
1 GBbest | — | |
| ↓ lower better | 16.31 Wbest | — |
| ↓ lower better | 18.2 dBbest | — |
2 yearsbest | 1 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | SSK SSM-F200 2TB SSD |
|---|---|---|
Security(1) | ||
OS Compatibility | DSM | iOS, Android, Windows, macOS, Linux |
Build & Design(3) | ||
Weight (kg) | 0.87 kg | 0.295 kg |
Power Supply Type | 60W AC adapter | Battery |
Warranty Period (years) | 2 years | 1 years |
Connectivity(1) | ||
Supported Network Protocols | SMB,NFS,AFP,FTP,WebDAV,iSCSI,CIFS,HTTP/HTTPS,SNMP,LDAP,CalDAV,Kerberos | Samba, DLNA |
Storage & Capacity(1) | ||
Supported Drive Types | 3.5" SATA HDD,2.5" SATA SSD | SSD |

Products in the top-left offer the best value (high score, low price).

Professional reviewers view the DS223j as a solid successor to the DS220j, highlighting the faster Realtek quad-core CPU and polished DSM experience, but note the lack of tool-less drive bays and limited media-streaming capability.
Everyday users appreciate the straightforward setup, reliable file access, and the ability to replace cloud storage costs with a one-time purchase, while recurring complaints focus on the noisy fan during spin-down, limited RAM, and difficulties with H.265 video playback.
Professional reviewers praise the SSK 2TB Portable NAS as a reliable, innovative personal-cloud device that delivers lightning-fast transmission, secure P2P remote access, and seamless team collaboration in a compact, battery-powered package.
Everyday users love the convenience of wireless, multi-device access, the ease of backing up photos and videos on the go, and the ability to stream media without internet. Common praise focuses on solid build quality and the portable design, while recurring complaints center on battery longevity, finicky pairing, a sluggish app, and inconsistent transfer speeds.
“airplane noise”

“Easy setup and migration”

“lightning-fast transmission and remote access in a small, portable package”
