• Plus Series NAS


• Desktop 8-bay NAS solution


• 8x 3.5i or 2.5i SATA SSD/HDD (drives not included).


• 2x M.2 2280 NVMe slots for SSD cache or storage pool (drives not included). Not hot swappable.


• Max drive bays with 2x DX517 (5 bays) expansion unit via eSATA connector


• 1x PCIe expansion slot - Gen3 x4 network upgrade


• SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP, OpenVPN, L2TP)

Specification

Product
Product id	705941
Brand	Synology
Partnr	DS1821+
EAN/UPC code	4711174723973
Warranty (months)	36 months
Product information sheet(s)
Storage
Number of storage drives supported	8
Hot-swap drive bays	Y
Processor
Processor manufacturer	AMD
Processor family	AMD Ryzen
Processor model	V1500B
Number of processors installed	1
Memory
Internal memory	4 GB
Number of memory slots	2
Maximum memory	32 GB
Network
Gigabit Ethernet (copper) ports quantity	4
Ports & interfaces
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
eSATA ports quantity	2
Design
Chassis type	Desktop
Ventilation fan(s)	2x (120 x 120 x 25 mm)
Performance
Noise level	22.2 dB
Weight & dimensions
Weight	6000 g
Dimensions (WxDxH)	166 x 343 x 243 mm
Number of M.2 (M) slots	2