DiskStation DS420 Streamline your data management Boost performance with built-in SSD slots DS420 provides two built-in M.2 SSD slots so that you can take full advantage of Synology SSD Cache functionality. Add SSD cache for up to 20 times faster I/O response without using front drive bays. Accelerate demanding applications A more powerful CPU speeds up computing-intensive applications. The new 2-core processor boosts photo indexing, database response times, and web PHP response efficiency. Easily categorize your photo memories, smoothly manage files across computers and mobile devices, and enjoy blazing fast web applications. Access and sync your files seamlessly Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS. Sync files on demand: Save the storage space and network bandwidth of your PC. Go back in time: Easily retrieve previous versions of your shared files. Back up your data: Protect your files as scheduled or in real-time. Audio station Audio Station is your personal music center, designed to intelligently sort and organize your audio files, and stream to Google Cast enabled devices. Audio Station supports lossless formats to ensure pristine audio quality. Moments Organize your photos intelligently with Moments, a modern, AI-enabled photo management application that lets you effortlessly preserve your precious memories. Video Station Video Station lets you easily manage and organize movies, TV shows, and home videos, and stream content to computers, smartphones, and media players. Seamless integration with your mobile devices Synology mobile applications are designed to allow quick and secure access to your data wherever you are. Average 15 performance boost to photo indexing and other computing-intensive operations, as well as database response time Built-in M.2 2280 NVMe SSD slots permit cache acceleration without occupying storage drive bays Access, share, and sync your data easily across different operating systems and devices Back up critical data and reduce your Recovery Time Objective (RTO) with Snapshot Replication Organize and stream music, video, and photo collections across all your devices Synology DiskStation DS420 is a network attached 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. Technical Specification Synology DS420 4 Bay Desktop NAS Enclosure Processor / Memory RAM    2 GB (installed) / 6 GB (supported) - DDR4 Number of Cores    Dual-Core Processors Installed    1 x Intel Celeron J4025 2 GHz Max Supported Qty    1 Max Turbo Speed    2.9 GHz General Device Type    NAS server Host Connectivity    Gigabit Ethernet Total Storage Capacity    0 GB Max Supported Capacity    64 TB Installed Devices / Modules Qty    0 (installed) / 4 (max) Width    19.9 cm Depth    22.3 cm Height    16.6 cm Weight    2.18 kg Storage Controller Type    RAID RAID Level    RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD Networking Data Link Protocol    10Mb LAN, 100Mb LAN, GigE Network / Transport Protocol    PPTP, L2TP, IPSec, SMTP, FTP, POP3, IMAP, SMB, NFS, HTTP, HTTPs Remote Management Protocol    SNMP, Telnet, HTTP, HTTPS, SSH, LDAP Network Services Compatibility    Microsoft CIFS, Network File System (NFS), FTP, Apple File Protocol (AFP), HTTPS, Web-based Distributed Authoring and Versioning (WebDAV), Calendaring Extensions to WebDAV (CalDAV) Features    Wake on LAN (WOL), High Availability, download client, Access Control List (ACL) support, RADIUS support, iTunes server, e-mail server, reset button, surveillance station, DNS server, DLNA Media Server, WebDAV server, VPN Server, Dropbox support, Link Aggregation, failover protection, AES encryption, Yandex Disk support, Microsoft OneDrive support, DLNA support, hubiC support, SSD trim, Amazon S3 support, Backblaze B2 support, MegaDisk support Encryption Algorithm    AES-NI Expansion / Connectivity Expansion Bays    4 (total) / 4 (free) x hot-swap - 2.5\" / 3.5\" Expansion Slots    2 (total) / 2 (free) x M.2 2280 Interfaces    2 x USB 3.0 - Type A ¦ 2 x Ethernet 1000Base-T - RJ-45 Miscellaneous Cables Included    2 x network cable Features    Security lock slot (cable lock sold separately), built-in 2 cooling fans Security Slot Type    Kensington security slot Compliant Standards    VCCI, BSMI, CCC, FCC, RoHS, KC, EAC, RCM Included Accessories    Accessory pack Power Power Device    External power adapter Voltage Required    AC 120/230 V (50/60 Hz) Power Consumption Operational    28.3 Watt Power Consumption Stand by    8.45 Watt Power Provided    90 Watt Software / System Requirements Software Included    McAfee OS Required    Apple MacOS, Linux, Microsoft Windows, Android, Apple iOS Manufacturer Warranty Service & Support    Limited warranty - 3 years Environmental Parameters Min Operating Temperature    0 °C Max Operating Temperature    40 °C Humidity Range Operating    5 - 95 Sound Emission    19.8 dBA