Synology
Synology 2-Bay DiskStation DS223j (Diskless)
Bottom line: The Synology 2-Bay DiskStation DS223j ($209.99 on Amazon as of 2026-10-21 12:20 UTC): Private cloud lets you keep full ownership of your files; main trade-off: sold diskless, so you must buy hard drives separately.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Private cloud lets you keep full ownership of your files
- ✓ Automatic backups for Macs, PCs and phones to cloud or external drives
- ✓ Records multiple IP cameras 24/7 with remote viewing
- ✓ 2-year warranty plus ongoing DSM software updates
Cons
- ✗ Sold diskless, so you must buy hard drives separately
- ✗ Only two bays, so capacity is capped once both are filled
- ✗ Mirroring both drives for redundancy halves your usable space
- ✗ Listing doesn't say how many cameras it supports; check Synology first
Manufacturer description
The Synology DS223j is a two-bay DiskStation NAS that turns a pair of drives into your own private cloud. It ships diskless, so you choose the drives and capacity that fit your files. You manage everything through Synology DiskStation Manager (DSM), which comes on board. You keep full ownership of your data and can still reach it from Macs, PCs and mobile devices wherever you are. You can share folders and media with clients, colleagues or family, and keep everyone working from the same synced files. Set-and-forget backup jobs protect your computers and phones, and they can send copies to…
SpecPicks Verdict
SpecPicks scored Synology 2-Bay DiskStation DS223j using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Synology's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Does the Synology DS223j come with hard drives?
No. The DS223j ships diskless, so you need to buy up to two compatible drives separately. Check Synology's compatibility list before you buy.
Can the DS223j back up both my Mac and my Windows PC?
Yes. Synology lists automatic backups for Macs, PCs and mobile devices. Backups can go to several destinations, including cloud services and external drives.
Can I use the DS223j for home security cameras?
Yes. It supports multiple IP cameras for 24/7 recording and remote viewing. The listing doesn't give a camera limit, so check Synology's surveillance documentation for your setup.
What warranty does the Synology DS223j have?
It has a 2-year warranty, backed by Synology's support team and ongoing DSM software updates. Check the product listing for current warranty terms.
Can I access my files on the DS223j when I'm away from home?
Yes. DiskStation Manager lets you create a private cloud that you can reach from different devices anywhere. It also handles file sharing and syncing with other people.
Key Features
- Secure private cloud - Enjoy 100% data ownership and multi-platform access from anywhere
- Easy sharing and syncing - Safely access and share files and media from anywhere, and keep clients, colleagues and collaborators on the same page
- Automated Backup Protection - Set-and-forget backups for Macs, PCs and mobile devices to multiple destinations including cloud and external drives
- Home Security System - Record and monitor your property 24/7 with support for multiple IP cameras and remote viewing
- 2-Year Warranty - Reliable hardware backed by Synology's expert customer support team and ongoing software updates
- Fully supported by Synology - Check Synology knowledge center or YouTube channel for help on product setup and additional information
Full Specifications
| Size | 2-bay |
|---|---|
| Brand | Synology |
| Color | White |
| Material | Plastic, Tempered Glass |
| Unit Count | 1 Count |
| Model Number | DS223j |
| Mounting Type | Tabletop |
| Built-In Media | Item |
| Mfr Part Number | DS223j |
| Compatible Devices | Android, Desktop, Laptop, iPhone |
| Enclosure Material | Plastic, Tempered Glass |
| Warranty Description | 2 years |
| Item Dimensions D x W x H | 6.5"D x 3.94"W x 8.9"H |
| Global Trade Identification Number | 00846504004768 |
Ready to buy?
Synology 2-Bay DiskStation DS223j (Diskless) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Related External Storage
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- How to Build a Windows 98 Retro PC in 2026
- Best 1440p Gaming GPUs in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
More reviews from the SpecPicks archive
Browse all reviews →- DIY Handheld Tricorder Build Guide 2026
- Best Quiet CPU Cooler for Ryzen 7 3700X Silent Builds in 2026
- Lenovo G02 Retro Handheld Reportedly Ships With Pirated Game Library
- Best PC Couch-Gaming Setup in 2026: Controllers, Display, and Audio
- xAI Open-Sources Grok-Build: Running Agentic Coding on Your Own GPU
- Period-Correct 1999 Voodoo2 SLI + Pentium III LAN-Party Build Log (2026)
- Homebrew Hardware Mod Gives the NES a Graphics Upgrade
- Open-WebUI + Ollama on RTX 3060 12 GB: A 2026 Self-Hosted Stack
- Sound Blaster on a Retro Gaming PC: Period-Correct Audio and the Modern G6 Bridge
- GPT-5.6 Sol Now Requires US Government Approval Per Customer
- Ryzen 7 9800X3D vs 7800X3D: The Real-Game FPS Gap at 1080p, 1440p, and 4K
- Ryzen 7 5800X + RTX 5060 Combo Drops to $439 With Free Cooler
- Best SATA SSD for Gaming and Everyday Upgrades in 2026
- Retro Windows XP: SSD Upgrade via IDE Adapter (2026 Guide)
- AMD Ryzen AI Halo Review Roundup: AMD Builds Its Own DGX Spark Rival
- Dual RTX 3060 12GB vs RTX 3090 24GB for Qwen2.5 32B (2026)
- Can an RTX 3060 12GB Still Run 2026's Local LLMs?
- NVIDIA H200 vs B200 for LLM Inference: What Changes in 2026
- GPT-5.6 Pro's Three-Model Split: What It Means for Local RTX 3060 Builders
- Best Budget GPU for CNN & Vision Inference 2026: RTX 3060 12GB
- Open-Source NVIDIA NVK Vulkan Driver Now Supports DLSS
- WoW Mythic+ 3500 on Steam Deck: Is It Possible?
- Intel Arc AI Inference: 2025 Performance & Setup Guide
- Playing Pokémon on Steam Deck: The Real 2026 Guide
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090