Learn more about Synology Inc. ds1821+

Model
Brand
Synology
Series
DiskStation
Model
ds1821+
Type
Desktop NAS
Interfaces
Ports
2 x eSATA / 4 x 1GbE / 4 x USB 3.2 Gen 1
Port RJ-45
4 x 10/100/1000M
Port USB
4 x USB3.2 Gen 1
Port eSATA
2 x eSATA
HDD Interface
8 x 3.5" or 2.5" SATA HDD/SSD (drives not included)2 x M.2 2280 NVMe SSD (drives not included)
Configuration
Form Factor
8-Bay
Processor
AMD Ryzen V1500B 4-core 2.2 GHz
Installed Memory
4GB DDR4
Max Memory Capacity
32GB
Memory Slot
2 x DDR4 SODIMM
Hard Drive Performance
Included HDD Capacity
Diskless System
Max Capacity
144TB
RAID
Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Drive Compatibility
3.5" SATA HDD2.5" SATA HDD2.5" SATA SSDM.2 2280 NVMe SSD
Convenience
Supported Protocols
SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP)
Power
Power
100 V to 240 V AC, 50/60 Hz, single phase
Power Consumption
59.8 W (Access)
26.18 W (HDD Hibernation)
Environmental
Temperature
Operating: 0°C - 40°C (32°F - 104°F)Storage: -20°C - 60°C (-5°F - 140°F)
Humidity
5-95% R.H
Features
Features
Up to 110,000 4K random read IOPS and 2300 MB/s sequential write speeds for demanding workloadsDual M.2 2280 slots for NVMe SSD lets you maximize performance and capacity efficientlyFeatures 8 bays, supporting both SATA HDD/SSD 2.5" and 3.5" drives and can be expanded by using two Synology DX517 expansion units for a total capacity of 18 baysPowered by Synology DSM, our unified data management operating system
Usage
High read/write performance with RAID
Dimensions & Weight
Dimensions
6.54" x 13.50" x 9.57"
Weight
13.23 lbs.
Shipping
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Return
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