Compare

  • Synology RS1221+
  • Synology DS1821+
  • Synology DS1823xs+
  • Our choice for a powerful NAS for companies and IT enthusiasts
  • € 1.173,-
  • € 1.111,-
  • Retail price€ 1.904,-
    € 1.749,-
Product
Product number
  • Product number
  • 877081
  • 875684
  • 928578
Manufacturer code
  • Manufacturer code
  • RS1221+
  • DS1821+
  • DS1823xs+
Brand
  • Brand
  • Synology
  • Synology
  • Synology
Warranty
  • Warranty
  • 2 years
  • 2 years
  • 5 years
Processing of your defect
  • Processing of your defect
  • Carry-in warranty
  • Carry-in warranty
  • Via Coolblue
Memory properties
Built-in hard drive
  • Built-in hard drive
Number of hard drive slots
  • Number of hard drive slots
  • 8
  • 8
  • 8
Suitable for hard drive size
  • Suitable for hard drive size
  • 2.5-inch SSD, 3.5-inch HDD
  • 2.5-inch SSD, 3.5-inch HDD, M.2 NVMe
  • 2.5-inch SSD, 3.5-inch HDD, M.2 NVMe
RAID
  • RAID
  • Basic, JBOD, RAID 0, RAID 1, RAID 10, RAID 5, RAID 6, Synology Hybrid RAID
  • Basic, JBOD, RAID 0, RAID 1, RAID 10, RAID 5, RAID 6, Synology Hybrid RAID
  • Basic, JBOD, RAID 0, RAID 1, RAID 10, RAID 5, RAID 6, Synology Hybrid RAID
Internal RAM
  • Internal RAM
  • 4 GB
  • 4 GB
  • 8 GB
Total number of RAM slots
  • Total number of RAM slots
  • 2
  • 2
  • 2
Expandable memory
  • Expandable memory
Maximum internal memory
  • Maximum internal memory
  • 32 GB
  • 32 GB
  • 32 GB
Memory type
  • Memory type
  • SO-DIMM DDR4
  • SO-DIMM DDR4
  • SO-DIMM DDR4
Functions
NAS functions
  • NAS functions
  • Backup server, Database server, Download server, FTP server, Mail server, Media server, Photo server, Surveillance station, VPN server, Web server, iTunes server
  • Backup server, Database server, Download server, FTP server, Mail server, Media server, Photo server, VPN server, Web server, iTunes server
  • Backup server, Database server, Download server, FTP server, Mail server, Media server, Photo server, Surveillance station, VPN server, Web server, iTunes server
NAS application center
  • NAS application center
Maximum number of shared folders
  • Maximum number of shared folders
  • 512
  • 512
  • 512
Maximum number of local users`
  • Maximum number of local users`
  • 2048
  • 2048
  • 16000
Plex support
  • Plex support
Type of Plex support
  • Type of Plex support
  • 4K (Ultra HD) (2160p), Full HD (1080p), HD Ready (720p)
Number of IP camera licenses included
  • Number of IP camera licenses included
  • 2
  • 2
  • 2
DLNA
  • DLNA
UPnP AV support
  • UPnP AV support
FTP server
  • FTP server
On/off switch
  • On/off switch
Automatic switch on/off
  • Automatic switch on/off
Kensington lock
  • Kensington lock
Apple Time Machine support
  • Apple Time Machine support
Chromecast support
  • Chromecast support
Suitable for IFTTT
  • Suitable for IFTTT
Recommended for use
  • Recommended for use
  • Making a backup, Media streaming, Personal cloud
  • Making a backup, Media streaming, Personal cloud
  • Making a backup, Media streaming, Personal cloud
Awards
Best tested
  • Best tested
Connectors and connections
Connection type
  • Connection type
  • Wired
  • Wired
  • Wired
LACP Link aggregation
  • LACP Link aggregation
iSCSI support
  • iSCSI support
Thunderbolt connector
  • Thunderbolt connector
Bluetooth
  • Bluetooth
Ethernet speed
  • Ethernet speed
  • Gigabit Ethernet (1000Mbps)
  • Gigabit Ethernet (1000Mbps)
  • Gigabit Ethernet (1000Mbps)
Number of Ethernet ports
  • Number of Ethernet ports
  • 4
  • 4
  • 4
Processor properties
Processor
  • Processor
  • AMD Ryzen 3
  • AMD Ryzen 3
Processor brand
  • Processor brand
  • AMD
  • AMD
  • AMD
Processor family
  • Processor family
  • Ryzen 3
  • Ryzen 3
  • Ryzen
Processor code name
  • Processor code name
  • Zen
Processor cores
  • Processor cores
  • Quad-Core (4)
  • Quad-Core (4)
  • Quad-Core (4)
Clock speed
  • Clock speed
  • 2,2 GHz
  • 2,2 GHz
  • 3,35 GHz
Turbo speed
  • Turbo speed
  • 2,2 GHz
  • 2,2 GHz
  • 3,6 GHz
Physical properties
Depth
  • Depth
  • 30,66 cm
  • 24,3 cm
  • 24,3 cm
Width
  • Width
  • 48,2 cm
  • 34,3 cm
  • 34,3 cm
Height
  • Height
  • 8,8 cm
  • 16,6 cm
  • 16,6 cm
Type NAS
  • Type NAS
  • Rackmount
  • Upright
  • Upright
Color
  • Color
  • Black
  • Black
  • Black
Weight
  • Weight
  • 6,9 kg
  • 6 kg
  • 6,2 kg