Synology
2 bay NAS DiskStation DS420+ (Diskless)
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The 2 bay NAS DiskStation DS420+ (Diskless) is a niche pick — read recent reviews before buying in the external storage category, priced around $797.99. Read recent reviews carefully before committing.
Synology DiskStation DS420+ is a networkattached storage solution for smooth data sharing, video streaming, and photo indexing. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance.
SpecPicks Verdict
SpecPicks classifies Synology 2 bay NAS DiskStation DS420+ (Diskless) as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Synology's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ 2 GB DDR4 memory (expandable up to 6 GB)
- ✓ Backed by Synology's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Two built-in M.2 2280 NVMe SSD slots permit cache acceleration without occupying storage drive bays.
- Intel dual-core processor with AES-NI hardware encryption engine; over 226 MB/s sequential read and 225 MB/s sequential write throughput.
- 2 GB DDR4 memory (expandable up to 6 GB)
- Average 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time.
- By default, two camera licenses are installed; extra licenses can be purchased (CLP1, CLP4, or CLP8)
Full Specifications
| Size | 4-bay; 2GB DDR4 |
|---|---|
| Brand | Synology |
| Color | Black |
| Material | Synthetic Leather |
| Model Number | DS420+ |
| Mounting Type | Tabletop |
| Built-In Media | 1 |
| Mfr Part Number | DS420+ |
| Weight Capacity | Minimum weight: 10.56 ounces |
| Compatible Devices | Desktop |
| Enclosure Material | Synthetic Leather |
| Is Assembly Required | No |
| Warranty Description | 3 year |
| Item Dimensions D x W x H | 7.83"D x 8.78"W x 6.54"H |
Ready to buy?
Synology 2 bay NAS DiskStation DS420+ (Diskless) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Related External Storage
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- How to Build a Windows 98 Retro PC in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best Retro Handhelds in 2026 — From $35 to $500
More reviews from the SpecPicks archive
Browse all reviews →- Asus RTX 5060 Hits MSRP for Prime Members — What It Means for Budget Builders
- Hugging Face Says an AI Agent Breached Its Infrastructure
- Period-Correct 2002 LAN Party Build Around an Athlon XP and GeForce 4 Ti
- How to run DeepSeek-R1 32B on Arc B580
- RetroArch PS2 Emulation: Setup, BIOS & Performance Guide
- Blue Yeti vs HyperX QuadCast 2 S: Best USB Mic for Streaming in 2026
- Baidu Unlimited OCR Runs Locally: Document AI on an RTX 3060 12GB
- Linux Driver Will Expose Voltage Inputs for Raspberry Pi SBCs
- Sony to End Physical PlayStation Disc Production by 2028: What It Means for Gamers
- ComfyUI for NVIDIA Cosmos 3 on an RTX 3060 12GB: Setup + Limits
- Building a New Gaming PC in 2026: The Complete Guide
- RTX 4090 AI Video Generation: 2026 Performance Guide
- Build a Home AI Assistant on a Raspberry Pi 4 8GB in 2026
- Ollama vs llama.cpp on the RTX 3060 12GB: Which Local LLM Runner Wins in 2026?
- Per-Model Hardware Guide: Matching Llama, DeepSeek & Qwen to Your GPU
- 768GB Optane Ran a 1T-Param LLM: What It Means for Home Rigs
- Best Budget SSD for Gaming in 2026: 5 Tested Picks Ranked
- Ryzen 7 5800X3D vs 5800X: Does 3D V-Cache Beat Raw Clocks for Gaming?
- Best Way to Stream a PS4 Pro to PC: Elgato Cam Link 4K Capture Setup
- DFlash Speculative Decoding on Qwen3.5-35B-A3B: How an RTX 2080 Super 8GB Hits 60+ tok/s
- Best Gaming Keyboard for Office and Gaming Crossover (2026)
- Ryzen AI Max LLM Test: What the Public Data Shows
- Adding USB Storage to a Windows 98 PC With a SATA/IDE Adapter
- Best CPU Cooler for Ryzen 7 5800X & AM4 Overclocking (2026)