The  DiskStation DS425+ 4-Bay NAS Enclosure  from  Synology  is a capable performer with tools to help you secure, back up, and sync your data and media. Built-in solutions available in Synology's DiskStation Manager (DSM) OS let users create their own private cloud, organize and stream music, video, and photo collections across all devices, seamlessly collaborate with partners, set up an intuitive surveillance system, and more. The DS425+ is 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. Performance may be boosted via dual M.2 2280 slots, which may be used to create an NVMe cache. The DS425+ runs on Synology DiskStation Manager (DSM) OS, which is a browser-based operating system which helps to simplify managing your Synology NAS. Its CPU is a 2.0 GHz Intel Celeron J4125 4-Core with a burst frequency of up to 2.7 GHz, and its 2GB of DDR4 RAM, which can be upgraded to 6GB, allows frequently used files and applications to be quickly accessed. Using its 2.5 Gigabit and Gigabit Ethernet ports, which support link aggregation and failover, this NAS is capable of sequential read speeds up to 278 MB/s and sequential write speeds up to 281 MB/s. Also available are two USB-A 3.2 Gen 1 ports. For those who require RAID support, the DS425+ supports RAID 0 and 1, 5, 6, 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. Operations are kept cool using dual 92mm fans and included is an accessory pack, an AC power adapter, an AC power cord, and two RJ45 LAN cables. 2.5GbE Connectivity and Diverse Storage Options The DS425+ features built-in 2.5GbE networking and supports both SATA SSDs and HDDs in 2.5/3.5" internal bays, as well as M.2 NVMe drives via M.2 slots for use cache. Users will experience read speeds of up to 278 MB/s and write speeds of up to 281 MB/s. Store, Share, and Protect Manage all your documents, photos, and other files, back up applications and devices, and protect your assets with professional video surveillance. Private Cloud for Seamless Data Access iStrealined File Management and Collaboration: Store, sync, access, and share data from any device, wherever you are. Work seamlessly between different platforms and devices, and access your files through mobile apps, desktop clients, and a browser-based interface. Quickly and easily roll back files in case of accidental deletion, mistakes, malware, etc., with versioning. A Private Photo Storage and Management Solution: Effortlessly back up and organize photos, videos, and other visual assets using intuitive management tools. Automatically organize your content into albums and create secure share links for stakeholders and teammates. Boost Team Productivity with Collaborative Tools: Enhance workplace collaboration with Synology's productivity solutions. Create, edit, and share documents across teams in real time. Host an on-premises mail server to provide web-based email access while maintaining full data ownership. Additionally, stay connected through secure one-on-one chats, public channels, encrypted private channels, and group conversations. Multi-Site Synchronization to Empower Global Workflows NAS-to-NAS Synchronization: Improve workflow efficiency and team alignment across data sites with automatic one- or two-way site-to-site syncing. Files and folders are kept up-to-date across sites, so everyone stays aligned, whether at home, in the office, or across different branchesall while maintaining full control of your data. Cloud-Powered Multi-Site Syncing: Empower global workflows with high-speed access to data from anywhere in your network. Our hybrid cloud solution caches frequently used files locally for rapid access, while less frequently accessed data is stored in the cloud, reducing your on-site storage requirements. Sync to Public Cloud Providers: Automatically keep data in sync between Synology NAS and major cloud providers, including BackBlaze B2, Dropbox, Google Drive, and Microsoft OneDrive. Multiple protocol support, client-side encryption, and customizable sync and bandwidth controls enable efficient storage management across various platforms. Comprehensive Data Backup, Protection, and Recovery Solutions Back Up PCs, Smartphones, Cloud Apps, and More: Consolidate and automate backup tasks for PCs, file servers, VMs, SaaS applications, and more. Administer device backups remotely through a centralized portal and quickly restore specific files or entire devices to keep your business up and running. Take advantage of built-in backup solutions designed to protect your data with seamless 3-2-1 backup configurations. Comprehensive and Flexible Synology System Backups: Protect all data, applications, and configurations on your Synology systems with comprehensive scheduled backups, including bare-metal backups, to local and remote servers, external drives, or cloud storage destinations, including Synology C2 Storage. Tamper-Proof Protection with Immutable Snapshots: Safeguard critical LUNs and shared folders with automated immutable snapshots backed by custom retention policies. Built-in support for offsite replication further ensures robust business continuity. Centralized Monitoring and Management Monitor and manage your Synology fleet from a central interface, on-prem or in the cloud. Central Management System Manage Synology servers from a central console using group policies, task delegation, batch updates, and more. Active Insight Monitor your global Synology fleet's performance, backup status, login activity, and more with the power of the cloud. Performance Backed by Synology Drives Designed for Synology systems, Synology drives deliver consistent performance and reliability for your deployments. Extra Protection with Extended Warranty Plus Add an additional two years to your standard three-year limited hardware warranty and gain access to premium services that accelerate recovery in the event of a disaster.