Description

Synology DiskStation DS1821+ 8-Bay NAS Enclosure Unit

Key Specs
Number of Bays
2x M.2 (2280) NVMe
8x 2.5″/3.5″ SATA (Unspecified Version)
Inputs/Outputs
4x RJ45 Gigabit Ethernet
4x USB-A 3.0 / 3.1/3.2 Gen 1
2x eSATA
RAID
RAID 0/1/5/6/10/Hybrid
Computing
Total Installed Memory
4 GB ECC DDR4
User-Replaceable Memory
1x 4 GB
Total Memory Slots
2x SO-DIMM
Maximum Memory Capacity
32 GB
General
Number of Bays
2x M.2 (2280) NVMe
8x 2.5″/3.5″ SATA (Unspecified Version)
Inputs/Outputs
4x RJ45 Gigabit Ethernet
4x USB-A 3.0 / 3.1/3.2 Gen 1
2x eSATA
Media Card Slots
No
Maximum Capacity
With Drives Installed up to 108 TB
Form Factor
Desktop
RAID
RAID 0/1/5/6/10/Hybrid
Hot-Swap Support
Yes
PCI Expansion
1x PCIe 3.0 (x8 Electrical)
Wake on LAN
Yes
Link Aggregation and Failover Support
Yes
Networking
Supported Protocols
CalDAV
FTP
HTTP
HTTPS
NFS
SMB
SMB 2.1
SMB 3.0
SNMP
iSCSI LUN
256
iSCSI Target
128
Max Concurrent Connections
550
Max Folders
512
Max Sync Tasks
80
Max Groups
256
Max User Accounts
2048
Max Volume Number
64
Max Cameras Supported
40
Software
Installed Operating System
Synology
Supported File Systems
Internal: BTRFS, EXT4
External: BTRFS, EXT3, EXT4, FAT, HFS+, NTFS, exFAT
OS Compatibility
Windows 7 or Later
macOS 10.12 or Later
Mobile App Compatible
Yes
Supported Browsers
Chrome, Edge, Firefox, Internet Explorer, Safari
Security
Encryption
AES-NI
Security Features
Password Protection
VPN Client Connections
30
Electrical
Input Power
100 to 240 VAC, 50 / 60 Hz
Power Source
AC Adapter
Power Consumption
59.8 W (Typical)
26.18 W (Idle)
PSU Wattage
1 x 250 W
Environmental
Operating Temperature
32 to 72°F / 0 to 40°C
Operating Humidity
5 to 95%
Storage Temperature
-4 to 140°F / -20 to 60°C
Physical
Status Monitoring
LED Indicator
Audible Alarm
Yes
Cooling
2x 120 mm Fans
Noise Level
22.2 dBA
Built-In Speakers
No
Dimensions
13.5 x 9.6 x 6.5″ / 343 x 243 x 166 mm
Weight
13.2 lb / 6.0 kg
Packaging Info
Package Weight
17 lb
Box Dimensions (LxWxH)
18 x 14.6 x 12.3″