Microsoft Active Directory (AD), File Level Security (ACLs), Microsoft CIFS, Network File System (NFS), FTP, Apple File Protocol (AFP), HTTPS, Web-based Distributed Authoring and Versioning (WebDAV), Calendaring Extensions to WebDAV (CalDAV)
Host Connectivity (compact list)
Gigabit Ethernet
Expansion Bays
Expansion Bays
8 (total) / 8 (free) x hot-swap - 2.5" / 3.5"
Expansion Slots
Expansion Slots
2 (total) / 2 (free) x M.2 2280, 1 x PCI Express 3.0 x8
OS Provided
Storage Operating System
Synology DiskStation Manager
Software
Type
Drivers & Utilities
Power Device
Frequency Required
50/60
Nominal Voltage
AC 120/230 V
Type
Internal power supply
System Requirements
OS Required
Microsoft Windows 7 or later, Apple MacOS X 10.11 or later
Dimensions & Weight
Width
34,3 cm
Depth
24,3 cm
Height
16,6 cm
Weight
6 kg
Service & Support
Type
3-year warranty
Miscellaneous
Features
Security lock slot (cable lock sold separately), Built-in 2 cooling fans, Hardware encryption, Wake on LAN
Color Category
Black
Security Slot Type
Kensington security slot
Description
The 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a powerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.
Accelerated performance 177% higher 4K random read IOPS and 76% faster sequential write speeds compared to its predecessor.
Maximize performance Turbocharge HDD arrays by 20x or more without occupying drive bays using dual built-in M.2 slots for NVMe SSD cache.
Expansion made easy Scale-up on-demand to 18 drives with two DX517 expansion units.
Includes everything to protect your data Back up critical data to and from public clouds, Windows PCs and servers, virtual machines, and data on the NAS with Synology Active Backup suite, Hyper Backup, and Snapshot Replication.
Ready for 10GbE Add in a 10GbE SFP+ or RJ-45 NIC to instantly increase network bandwidth based on your existing infrastructure.