Synology DiskStation DS423 4-Bay NAS Enclosure
Overview : 
The DiskStation DS423 4-Bay NAS Enclosure from Synology lets you consolidate, organize, and secure your data. Leverage built-in solutions in Synology DiskStation Manager (DSM) to sync and access files across multiple devices, create a digital photo hub for work or leisure, or secure your premises with intelligent video surveillance tools.
The DS423i s equipped with four drive bays that are capable of natively supporting 3.5″ SATA hard drives, as well as 2.5″ SATA hard drives and SSDs. Its CPU is a Realtek RTD1619B Quad-Core and its 2GB of DDR4 RAM allows frequently-used files and applications to be quickly accessed. Also featured are two USB-A 3.2 Gen 1 ports, which allow users to connect external peripherals, and network connectivity is achieved via the dual Gigabit Ethernet ports, allowing your stored data to be shared with users throughout the network. For those who require RAID support, the DS423 supports RAID 0, 1, 5, 6, and 10, as well Synology Hybrid RAID and Basic RAID, each of which offers performance, data redundancy, or a combination of both. For those who do not require a RAID, JBOD is also available, allowing each drive bay to be individually utilized. It is also engineered to be energy efficient and offers one 80mm fan to help keep the system running cool at all times.
The Synology DiskStation DS423 4-Bay NAS Enclosure operates on 100-240 VAC at 50/60 Hz and includes an accessory pack, an AC power adapter, a power cord, and two RJ45 LAN cables. It is protected by a limited 2-year warranty.
Spacious Storage Server for Data Availability
Organize data scattered across devices. Your Synology NAS can serve as a go-to platform to securely and conveniently store any type of data with comprehensive and intuitive access and management tools.
Browse and manage your files and media from any browser with Synology Drive, or access data through your default file browser using common network protocols
Enable QuickConnect to access your NAS directly from the anywhere without configuring complex port forwarding rules
Keep your shots and clips organized using smart sorting functions in Synology Photos
Deploy your Synology NAS as edge storage and fit it easily into the existing infrastructure thanks to Windows AD and LDAP integration
Collaboration and Synchronization Platform
Easily share documents and digital memories with family and friends, and boost productivity while working in a team or with your clients.
Build a private data cloud for easy file management and sharing across all platforms, and keep data in sync between two or more Synology systems with Synology Drive
Maintain a reduced local footprint by streaming data on demand from a central data repository through the cloud with Hybrid Share
Synchronize data to and from popular cloud storage platforms with Synology Cloud Sync
Share media with family, friends, or collaborators through the privacy-focused sharing options in Synology Photos
Flexible Data Protection Options
Synology DSM comes with a host of backup and data protection solutions available at no extra cost.
Leverage Synology Drive to protect data from ransomware attacks or accidental deletion with real-time or scheduled backup of your PC folders
Safeguard photos and videos taken on mobile devices by automatically creating remote copies with Synology Drive or Synology Photos
Efficiently back up your entire Synology NAS or select folders to multiple destinations using Hyper Backup
Store backups off-site on C2 Storage, a dedicated and secure cloud destination powered by Synology C2
Take NAS protection to the next level with Snapshot Replication by creating point-in-time copies of shared folders that can be replicated to other Synology systems and rapidly restored
Versatile and Private Video Surveillance
Synology Surveillance Station transforms your Synology system into a powerful network video recorder (NVR).
8300+ supported camera models
ONVIF support for a broader selection of cameras
Private, subscription-free storage of recordings
Access through web browsers, desktop clients, or mobile apps
Event-based rules to trigger specific actions
Email, SMS, and push notification options
Dual recording to the cloud with C2 Surveillance for online access and convenient sharing
Specification : 
Computing
CPU
Quad-Core:
Processor
Realtek RTD1619B
Total Installed Memory
2 GB DDR4
General
Number of Bays
4x 2.5″/3.5″ SATA (Unspecified Version)
Inputs/Outputs
2x USB-A 3.0 / 3.1/3.2 Gen 1
2x RJ45 Gigabit Ethernet
Form Factor
Desktop
RAID
RAID 0/1/5/6/10/Basic/Hybrid
Hot-Swap Support
Yes
Wake on LAN
Yes
Networking
Supported Protocols
AFP
CalDAV
FTP
HTTPS
L2TP
LDAP
NFS
OpenVPN
PPTP
Rsync
SFTP
SMB
SNMP
SSH
SSL
Telnet
WebDAV
iSCSI
Max Concurrent Connections
200
Max Folders
256
Max Groups
256
Max User Accounts
1024
Software
Installed Operating System
No
Supported File Systems
Internal: BTRFS, EXT4
External: BTRFS, EXT3, EXT4, FAT32, HFS+, NTFS, exFAT
Mobile App Compatible
Yes
Supported Browsers
Chrome, Edge, Firefox, Safari
Supported Languages
Brazilian Portuguese
Czech
Danish
Dutch
English
French
German
Hungarian
Italian
Japanese
Korean
Norwegian
Polish
Portuguese
Russian
Simplified Chinese
Spanish
Swedish
Thai
Traditional Chinese
Turkish
Electrical
Input Power
100 to 240 VAC, 50 / 60 Hz
Power Source
Internal Power Supply
Environmental
Operating Temperature
32 to 104°F / 0 to 40°C
Operating Humidity
8 to 80%
Storage Temperature
-5 to 140°F / -20 to 60°C
Storage Humidity
8 to 80%
Physical
Status Monitoring
LED Indicator
Cooling
1x 80 mm Fan
Dimensions
9.1 x 7.2 x 6.6″ / 230 x 184 x 168 mm
Weight
4.9 lb / 2.2 kg
Packaging Info
Package Weight
8.13 lb
Box Dimensions (LxWxH)
11.4 x 9.6 x 9.3″