4 Bay Synology DS416Slim 2.5'' Gigabit NAS Unit - Computer Alliance
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4 Bay Synology DS416Slim 2.5'' Gigabit NAS Unit

Web ID: 18232

DS416slim is a 4-bay NAS server for 2.5" drives, aimed at home users and professionals in need of a compact, power-saving, easily transportable storage solution. Accommodating up to four disks, it provides all essential services to increase productivity at work or serve as a comprehensive media center solution.
Manufacturer PN: DS416Slim
GTIN: 846504002085
Warranty: 2 Year
Manufacturer Website


High-performance and encryption engine

DS416slim boasts a dual-core CPU with a dedicated encryption engine and 512MB of DDR3 RAM. With link aggregation enabled, DS416slim delivers up to 170.23 MB/s in reading and 77.62 MB/s in writing. Reading through a single Gigabit LAN speed goes up to 112.77 MB/s.


Dual LAN with failover and Link Aggregation support

Equipped with dual LAN ports, DS416slim ensures continual network service in case one LAN connection fails, decreasing the risk of network downtime. Link Aggregation takes advantage of the dual LAN ports to enhance connection speeds beyond the limits of a single cable or port.


Painless disk installation and fast fan replacement

With the detachable fan module, DS416slim makes fan replacement or cleaning easier than ever. At the same time, the snap-in drive tray design allows for fast and neat disk installation. This makes it easy to keep DS416slim clean and running perfectly all the time.


Ultra-compact yet functional

DS416slim weighs less than 700 grams and can be be easily transported to serve as a local file and backup servers during off-site assignments. Despite its incredibly compact form factor, it can host up to 8TB of raw data and features two USB 3.0 ports for fast backup from external drives .


Award winning OS - DiskStation Manager

Synology DiskStation Manager (DSM) is a sleek, browser-based operating system running on every DiskStation and RackStation, which makes managing your Synology NAS a breeze. Featuring an intuitive user interface, DSM makes accessing and sharing your data smarter and simpler. Synology's Package Center lets you download and install useful add-on packages designed specifically for individual or business needs, meaning you can enjoy more entertainment in your life or better productivity at work. 


Connect your data quickly and easily

Synology aims to provide you the most convenient way to enjoy all services on DS416slim. With Synology QuickConnect, you don't have to deal with difficult DDNS setup. QuickConnect frees you from complicated router configuration and port-forwarding, so your entertainment and work files can be accessed on any computer, laptop, or mobile devices instantly without extra charge.

5 great reasons you will love Synology QuickConnect QuickConnect DDNS
Customizable ID V V
Skip network configuration V X
Eliminate port forwarding V X
Open to all users V X
Works without public IP address V X

Ultimate file center

File Station is a fast and secure feature for sharing and managing your files stored on DS416slim. Just drag-n-drop and upload data from Mac or PC. Advanced filters make it easy to search for documents, photos, or videos. With built-in FTP or email clients, DS416slim lets you organize and share files through an advanced web application effortlessly. You can even share files and folders with others by simply sending a link. Files can be reached on mobile devices via the companion mobile app DS file. HTTPS, SSL/TLS encryption, and link expiry dates also ensure file sharing over the Internet is highly secure. 


The most compatible sharing

Enjoy seamless files sharing across Windows®, Mac®, and Linux® platforms as DS416slim offers comprehensive network protocol support including FTP, SMB2, AFP, NFS and WebDAV. With Windows AD and LDAP integration, DS416slim can fit effortlessly into any existing network environment - there is no need for IT administrators to maintain two sets of credentials. You also won't worry about missing files with the Recycle Bin feature which is supported on AFP, CIFS, File Station, and WebDAV. All files deleted in a shared folder will be automatically moved into the Recycle Bin.


Backup data in multiple ways

DS416slim is the perfect backup destination for your data. No matter you are a Windows or Mac user, you can back up everything on your computer directly to Synology NAS using Cloud Station. Mac users also enjoy native Apple® Time Machine support. You can specify your backup destination as not only local hard drives, but also connected USB storage devices, or public cloud services, such as Amazon S3, Amazon Glacier, Microsoft Azure, SFR, and hicloud. Additionally, "Backup & Replication" allows you to schedule backup tasks and restore the server to any particular point in time, while minimizing storage consumption and processing time by saving only specific data blocks that are changed between versions. 


Your files anywhere with cloud service

DS416slim brings you comprehensive cloud service. Cloud Station lets you sync files among DiskStations and multiple devices, including Windows PC, Mac, Linux, iOS, Android, as well as Windows mobile devices, whereas 2-way sync allows file synchronization among different DiskStations. You can even sync your DiskStation with Google Drive, OneDrive, Dropbox, Box, hubiC, and Baidu Cloud — establish your hybrid cloud to enjoy more storage flexibility and prevent data loss. 


Enjoy multimedia library

DS416slim provides you a central platform to organize, backup, and share photos, music, and video collections. Featuring a streamlined and sleek interface, Synology packages — Photo Station, Audio Station and Video Station — let you build a seamless entertainment hub effortlessly. Since everything is saved on DS416slim, you can enjoy more customizable content arrangement, and no worries about extra monthly fees for storage capacity. Better yet, your digital collections can be shared with others via a simple link.


Stream content to your TV

DS416slim is highly compatible with other devices, letting you manage and enjoy digital content with the devices you already have: computers, mobile devices, TVs, DLNA devices, and stereos. Synology offers the latest support for TV streaming, including Samsung TV, Roku players, Apple TV, and Google Chromecast, meaning you can stream digital content stored on DS416slim to your widescreen TV effortlessly.


Get mobility with our apps

Synology develops versatile mobile apps — DS note, DS audio, DS video, DS photo, DS cloud, DS file, DS download and DS cam — allowing you to access and manage the contents of your DS416slim with smartphones and tablets. QuickConnect brings an easier network experience as it eliminates complicated router configuration or port forwarding. With Synology mobile apps, your multimedia collection and work files are always on the go.


Eco-friendly NAS server

All Synology NAS is designed with energy efficiency in mind. DS416slim only consumes 11.63W in HDD Hibernation and 17.17W in access*. With special fan and the smart airflow design, the DS416slim keeps the system running cool 24/7, while its noise dampening design makes it quieter than PC counterparts. Synology acknowledges the responsibility as a global citizen, so all Synology products are produced with RoHS compliant parts and packed with recyclable packing materials.

* The power consumption figures may vary on different environments.

CPU Model Marvell Armada 385 88F6820
CPU Architecture 32-bit
CPU Frequency Dual Core 1.0 GHz
Floating Point  
Hardware Encryption Engine  
System Memory 512 MB DDR3
Drive Bay(s) 4
Compatible Drive Type (See all supported drives)
  • 2.5" SATA III / SATA II HDD (Up to 12.5mm drive height)
Maximum Internal Raw Capacity 8 TB (2 TB HDD x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size 16 TB
Hot Swappable Drive  
External Ports
USB 3.0 Port 2
File System
Internal Drives EXT4
External Drives
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+ (Read Only, with max. volume size 2TB)
Size (Height x Width x Depth) 120 mm x 105 mm x 142 mm
Weight 0.66 kg
RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support)
Wake on LAN/WAN  
System Fan 60 mm x 60 mm x 1 pcs
Fan Speed Mode
  • Cool Mode
  • Quiet Mode
  • Low-power Mode
Easy Replacement System Fan  
Wireless Support (dongle)  
Brightness adjustable front LED indicators  
Power Recovery  
Noise Level* 20.3 dB(A)
Scheduled Power On/Off  
Power Supply Unit / Adapter 30W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 17.17 W (Access)
11.63 W (HDD Hibernation)
British Thermal Unit 58.63 BTU/hr (Access)
39.71 BTU/hr (HDD Hibernation)
Environment Temperature
Operating Temperature 5°C to 40°C (40°F to 104°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
  • FCC Class B
  • CE Class B
  • BSMI Class B
Warranty 2 Years
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10JFCX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with WD 1TB WD10JFCX hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 17.2 dB(A); Temperature: 23.6°C; Humidity: 58.2%.
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number 256
Maximum iSCSI Target Number 10
Maximum iSCSI LUN 10
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • RAID 5
  • JBOD
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
File Sharing Capacity
Maximum User Accounts 2048
Maximum Groups 256
Maximum Shared Folder 256
Maximum Shared Folder Sync Tasks 2
Maximum Concurrent CIFS/AFP/FTP Connections 128
Windows Access Control List (ACL) Integration  
NFS Kerberos Authentication  
Log Center  
Syslog Events per Second 100
Add-on Packages (learn more about the complete add-on package list)
Cloud Station Server  
Maximum Concurrent File Transfers 128
Download Station  
Maximum Concurrent Download Tasks 30
Media Server  
DLNA Certification  
PDF Viewer  
Maximum Simultaneous Editing Users 35
Surveillance Station  
Maximum IP cam (Licenses required) 8 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 300 FPS @ 720p (1280x720)
150 FPS @ 1080p (1920×1080)
100 FPS @ 3M (2048x1536)
40 FPS @ 5M (2591x1944)
Total FPS (MJPEG)* 150 FPS @ 720p (1280x720)
75 FPS @ 1080p (1920×1080)
50 FPS @ 3M (2048x1536)
25 FPS @ 5M (2591x1944)
Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Video Station  
Video Transcoding Group 2 (See more)
VPN Server  
Maximum Connections 5
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Welcome Note X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • RJ-45 LAN Cable X 2
Optional Accessories
  • Camera License Pack
  • VS360HD