Synology Disk Station DS1522+ , 3x 4TB SATA HDD, 1x 1TB NVMe - NAS server - 5 bays - SATA 6Gb/s - RAID RAID 0, 1, 5, 6, 10, JBOD - RAM 8 GB - Gigabit Ethernet - iSCSI support

The 5-bay Synology DiskStation DS1522+ is easy to scale and expand as your needs change. Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronization, backup, and surveillance.
Upgraded with 3x 4TB SATA HDD, 1x 1TB NVMe.

• Simply faster
• Flexible networking options
• Everything you need for your home office
• Store, share, and protect
• File server
• Multi-layered backup
• Smart surveillance
• Get more with DiskStation Manager

• Simply faster
  DS1522+ can handle more demanding application workloads and a greater number of concurrent users compared to prior-generation systems. Experience faster file indexing in Synology Drive, photo organization in Photos, and concurrent file transfers.
• Flexible networking options
  Leverage built-in connectivity to integrate the DS1522+ into any network environment, or expand its capabilities by adding Plug-and-Play modules.
• Everything you need for your home office
  Make the most of high-performance networking and file access without taking up unnecessary space. DS1522+ comes equipped with 5 bays and can scale up to 15 bays with 2 DX517 expansion units as your data needs grow.
• Store, share, and protect
  Manage all your documents, photos, and other files, back up applications and devices, or protect your assets with professional video surveillance.
• File server
  Store and access files from all your devices, and protect them with smart versioning. Sort, manage, share, and sync your data across locations.
• Multi-layered backup
  Back up files, folders, physical devices, VMs, and SaaS applications with free solutions, and protect your NAS with built-in technologies.
• Smart surveillance
  Transform your Synology device into a full-featured video management system for a wide range of compatible IP cameras.
• Get more with DiskStation Manager
  Take advantage of a host of native productivity, management, and security solutions available in the web-based Synology DSM operating system.