Compare



Average rating
Energy consumption
  • 3 / 5 stars
    0 reviews
  • 4.6 / 5 stars
    0 reviews
Installation
  • 4 / 5 stars
    0 reviews
  • 5 / 5 stars
    0 reviews
Software
  • 5 / 5 stars
    0 reviews
  • 5 / 5 stars
    0 reviews
Speed
  • 5 / 5 stars
    0 reviews
  • 4.6 / 5 stars
    0 reviews
Most helpful review
  • 4 / 5 stars
    8/10
    "good product for storing"
  • 5 / 5 stars
    9.6/10
    "Fantastic NAS for the price"

Product number
  • 864803
  • 801940
  • 797869
  • 864804
  • 866799
Manufacturer code
  • TS-231K
  • DS218
  • DS218play
  • TS-431K
  • TS-231P3-2G
Brand
  • QNAP
  • Synology
  • Synology
  • QNAP
  • QNAP
Warranty
  • 2 years
  • 2 years
  • 2 years
  • 2 years
  • 2 years
Warranty type
  • Carry-in warranty
  • Carry-in warranty
  • Carry-in warranty
  • Carry-in warranty
  • Carry-in warranty
Old product returned for free
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes

Number of hard drive bays
  • 2
  • 2
  • 2
  • 4
  • 2
Internal RAM
  • 1 GB
  • 2 GB
  • 1 GB
  • 1 GB
  • 2 GB
Total number of RAM slots
  • 1
  • 1
  • 1
  • 1
  • 1
Integrated hard drive
  • No
  • No
  • No
  • No
  • No
Suitable for hard drive size
  • 2,5 inch HDD, 2,5 inch SSD, 3.5-inch HDD
  • 3.5-inch HDD
  • 2,5 inch HDD, 2,5 inch SSD, 3.5-inch HDD
  • 2,5 inch HDD, 2,5 inch SSD, 3.5-inch HDD
  • 2,5 inch HDD, 2,5 inch SSD, 3.5-inch HDD
Cache memory
  • 521 MB
  • 0 MB
  • 0 MB
  • 512 MB
  • 512 MB
SATA connector type
  • S-ATA (III)
  • S-ATA (III)
  • S-ATA (III)
  • S-ATA (III)
  • S-ATA (III)
RAID
  • BeyondRAID, Hot spare, JBOD, RAID 0, RAID 1, SimplyRAID
  • JBOD, RAID 0, RAID 1, Synology Hybrid RAID
  • JBOD, RAID 0, RAID 1, Synology Hybrid RAID
  • BeyondRAID, Hot spare, JBOD, RAID 0, RAID 1, RAID 10, RAID 5, RAID 5+spare, RAID 6, SimplyRAID
  • BeyondRAID, Hot spare, JBOD, RAID 0, RAID 1, SimplyRAID

NAS functions
  • Backup server, Database server, Download server, FTP server, Mail server, Media server, Photo server, Print server, Surveillance station, VPN server, Web server, iTunes server
  • Backup server, Download server, FTP server, Media server, Photo server, Surveillance station, VPN server, Web server
  • Backup server, Download server, FTP server, Media server, Photo server, Surveillance station, VPN server, Web server
  • Backup server, Database server, Download server, FTP server, Mail server, Media server, Photo server, Print server, Surveillance station, VPN server, Web server, iTunes server
  • Backup server, Database server, Download server, FTP server, Mail server, Media server, Photo server, Print server, Surveillance station, VPN server, Web server, iTunes server
NAS application center
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
DLNA
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
UPnP AV support
  • Yes
  • No
  • No
  • Yes
  • Yes
FTP server
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
On/off switch
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Kensington lock
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Apple Time Machine support
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Chromecast support
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Maximum number of simultaneous users
  • More than 10
  • Less than 10
  • Less than 10
  • More than 10
  • More than 10
Number of IP camera licenses included
  • 2
  • 2
  • 2
  • 2
  • 2
Plex support
  • No
  • No
  • Yes
  • No
  • No
Automatic switch on/off
  • Yes
  • Yes
  • No
  • Yes
  • Yes
Suitable for IFTTT
  • Yes
  • No
  • No
  • Yes
  • Yes
Recommended for use
  • Making a backup, Save photos and videos
  • Making a backup, Save photos and videos
  • Making a backup, Save photos and videos
  • Making a backup, Save photos and videos
  • Business use, Making a backup, Media streaming, Personal cloud, Save photos and videos
Plex support type
  • HD Ready (720p)

Best tested
  • No
  • No
  • Yes
  • No
  • No

LACP Link aggregation
  • Yes
  • No
  • No
  • Yes
  • Yes
iSCSI support
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Thunderbolt connector
  • No
  • No
  • No
  • No
  • No
Bluetooth
  • No
  • No
  • No
Connection type
  • Wired, Wireless
  • Wired
  • Wired
  • Wired, Wireless
  • Wired, Wireless
Ethernet speed
  • Gigabit Ethernet (1000Mbps)
  • Gigabit Ethernet (1000Mbps)
  • Gigabit Ethernet (1000Mbps)
  • Gigabit Ethernet (1000Mbps)
  • 2.5 Gigabit Ethernet (2500 Mbps)
Number of ethernet ports
  • 2
  • 1
  • 1
  • 2
  • 2
ANT+
  • No
  • No
  • No
Number of female standard USB-A ports
  • 3
  • 2
Female standard USB-A port version
  • 3.0
  • 3.0

Processor
  • Annapurna Labs Alpine
  • RealTek
  • RealTek
  • Annapurna Labs Alpine
  • Annapurna Labs Alpine
Processor brand
  • Annapurna
  • RealTek
  • RealTek
  • Annapurna
  • Annapurna
Processor cores
  • Quad-Core (4)
  • Quad-Core (4)
  • Quad-Core (4)
  • Quad-Core (4)
  • Quad-Core (4)
Clock speed
  • 1,7 GHz
  • 1,4 GHz
  • 1,4 GHz
  • 1,7 GHz
  • 1,7 GHz
Turbo speed
  • 1,7 GHz
  • 1,4 GHz
  • 1,4 GHz
  • 1,7 GHz
  • 1,7 GHz
Processor family
  • RealTek
  • RealTek
  • AL-314
Processor code name
  • RealTek
  • RealTek

Depth
  • 21,9 cm
  • 23,32 cm
  • 22,25 cm
  • 21,9 cm
  • 21,9 cm
Width
  • 10,2 cm
  • 10,8 cm
  • 10 cm
  • 16 cm
  • 10,2 cm
Height
  • 16,1 cm
  • 16,5 cm
  • 16,5 cm
  • 16,1 cm
  • 16,1 cm
Type NAS
  • Upright
  • Upright
  • Upright
  • Upright
  • Upright
Color
  • White
  • Black
  • Black
  • White
  • White
Weight
  • 1,35 kg
  • 1,3 kg
  • 870 g
  • 3 kg
  • 1,35 kg