Synology RX418 4bay Expansion Unit (Diskless) 44 mm x 480 mm x 325 mm
Bottom line: The Synology RX418 4bay Expansion Unit 44 mm x 480 mm x 325 mm is a specs-and-price decision rather than a crowd-consensus one in the PC & gaming hardware category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ Plug-and-play design for seamless storage space upgrade
- ✓ Backed by Synology's warranty and support channels
Cons
- ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
Synology RX418 delivers an effortless solution for volume expansion and data backup for Synology 1U RackStation by adding 4 additional SATA drive bays on-the-fly. With its short-depth chassis design, RX418 ensures easy installation and deployment in 2-post racks and wall mount racks. Synology RX418 is backed with Synology’s 3-year limited warranty.
SpecPicks Verdict
SpecPicks scored Synology RX418 4bay Expansion Unit 44 mm x 480 mm x 325 mm using a rating × review-volume × price-fit model applied to published specs and reviews across the PC & gaming hardware category. Synology's PC & gaming hardware 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 PC & gaming hardware 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.
Key Features
- Plug-and-play design for seamless storage space upgrade
- Online volume expansion
- 12-inch depth to fit in 2-post racks and wall mount racks
- Energy-saving deep sleep mode
- Managed from Synology DiskStation Manager (DSM)
Full Specifications
| Size | 44 mm x 480 mm x 325 mm |
|---|---|
| Brand | Synology |
| Color | black |
| Material | Metal |
| Model Number | RX418 |
| Mounting Type | Wall Mount |
| Built-In Media | AC power cord, Accessory pack, Expansion cable, Quick Installation Guide, RX418 main unit |
| Item Type Name | Synology RX418 4bay Expansion Unit (Diskless) |
| Mfr Part Number | RX418 |
| Weight Capacity | Maximum weight: 24.9 pounds |
| Compatible Devices | Servers |
| Enclosure Material | Metal |
| Warranty Description | 3 Years |
| Item Dimensions D x W x H | 1.73"D x 12.8"W x 18.9"H |
| Global Trade Identification Number | 00846504002986 |
Ready to buy?
Synology RX418 4bay Expansion Unit (Diskless) 44 mm x 480 mm x 325 mm 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.
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- How to Build a Windows 98 Retro PC in 2026
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best Retro Handhelds in 2026 — From $35 to $500
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
More reviews from the SpecPicks archive
Browse all reviews →- Best SSD and Controller Pairing for a Living-Room Gaming PC
- NEEWER 18" vs UBeesize 22" Ring Light for Webcam Streaming (2026)
- Handheld Gaming PC Near Me: Where to Buy in 2025
- Sound BlasterX G6 for Retro Gaming PC Audio in 2026
- Laguna XS.2 Lands in llama.cpp: What the Tiny Hybrid Model Means for Local Inference
- CompactFlash to IDE 50-Pin Adapters: A Retro Storage Buyer's Guide for 2026
- Best Budget Ryzen Gaming PC Parts in 2026: 5 Picks That Punch Up
- ASUS TUF VG27AQ vs Dell G3223Q: 1440p HDR or 4K 32-Inch in 2026
- Raspberry Pi 5 Local LLM Server: Best Models for 8GB RAM in 2026
- Noctua-Style Pi 5 NAS Build Goes Viral — Here's the Parts List
- Self-Host Immich on a Budget Homelab Box: Storage Tiers That Make Sense
- Dumping Big-Box CD-ROM Games in 2026 with an IDE-to-USB Adapter
- Open-WebUI + Ollama on RTX 3060 12 GB: A 2026 Self-Hosted Stack
- 1440p High-Refresh vs 4K for Gaming in 2026: ASUS TUF 27" QHD vs SANSUI/KOORUI 4K
- Linux Gaming Keeps Getting Faster: Windows APIs Land in the Kernel
- Surprise AI Bills: Moving LLM Work to a Local RTX 3060 12GB Rig
- Best GPU for gpt-oss 20B in 2026
- Transcend CF133 CompactFlash as a Windows 98 Boot Drive: Setup & Gotchas
- Turn a Raspberry Pi Pico W Into a Driverless USB WiFi Adapter
- Ollama vs vLLM vs llama.cpp on a 12GB GPU: Which Wins for One User?
- Wired Headset vs Bluetooth Earbuds for Competitive FPS: The Latency Math
- Best Gaming Keyboard for Office and Gaming Crossover (2026)
- RTX 3060 12GB vs RTX 4060 Ti 16GB for Gemma 3 12B (2026)
- Best GPU for ComfyUI and SDXL Under $350 — Why the RTX 3060 12GB Still Wins
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