QNAP TS-431X2-2G vs. Synology DiskStation DS218+ + 9

QNAP TS-431X2-2G

QNAP TS-431X2-2G

£397.72

£405.22 Incl. delivery
Synology DiskStation DS218+

Synology DiskStation DS218+

4.2

£290.43

Free delivery
Synology DiskStation DS220j

Synology DiskStation DS220j

£151.62

Free delivery
Synology DiskStation DS420+

Synology DiskStation DS420+

£470.99

£473.99 Incl. delivery
Synology DS118

Synology DS118

3.3

£153.99

£154.49 Incl. delivery
Synology DiskStation DS918+

Synology DiskStation DS918+

4.1

£494.10

£502.99 Incl. delivery
Synology DiskStation DS218

Synology DiskStation DS218

£243.49

Free delivery
WD My Cloud Home 4TB

WD My Cloud Home 4TB

1.2

£149.00

Free delivery
Synology DiskStation DS220+

Synology DiskStation DS220+

£316.49

Free delivery
Synology DiskStation DS418

Synology DiskStation DS418

£364.97

Free delivery
Synology DS218play

Synology DS218play

3

£213.99

Free delivery
Noise level
19.3 dB
18.2 dB
19.8 dB
16.7 dB
19.8 dB
19.3 dB
20.9 dB
19.9 dB
Client services
BitTorrent
BitTorrent
BitTorrent
BitTorrent
BitTorrent
Ethernet connection
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Number of Ethernet ports (RJ-45)
2 ​
1 ​
1 ​
2 ​
1 ​
2 ​
1 ​
1 ​
2 ​
2 ​
1 ​
Number of SFP+ ports
1 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
Speed
10/100/1000/10k Mbit/s
10/100/1000 (Gigabit) Mbit/s
10/100/1000 (Gigabit) Mbit/s
10/100/1000 (Gigabit) Mbit/s
10/100/1000 (Gigabit) Mbit/s
10/100/1000 (Gigabit) Mbit/s
10/100/1000 (Gigabit) Mbit/s
10/100/1000 (Gigabit) Mbit/s
10/100/1000 (Gigabit) Mbit/s
10/100/1000 (Gigabit) Mbit/s
10/100/1000 (Gigabit) Mbit/s
Server services/protocols
FTP, NFS, AFP, CIFS/SMB, HTTP, iSCSI
FTP, NFS, AFP, CIFS/SMB, iSCSI
FTP, NFS, AFP, CIFS/SMB, iSCSI
FTP, NFS, AFP, CIFS/SMB, HTTP, iSCSI, SFTP
FTP, NFS, AFP, CIFS/SMB, HTTP, iSCSI
FTP, NFS, AFP, CIFS/SMB, HTTP, iSCSI, SFTP
FTP, NFS, AFP, CIFS/SMB, HTTP, iSCSI
FTP, NFS, AFP, CIFS/SMB, iSCSI
FTP, NFS, AFP, CIFS/SMB, HTTP, iSCSI
FTP, NFS, AFP, CIFS/SMB, HTTP, iSCSI, SFTP
Wireless network (Wi-Fi)
No
No
No
No
No
No
No
No
No
No
ActiveDirectory
Yes
Yes
No
Yes
No
No
No
ECC
No
No
No
No
Fully supported file system (external)
HFS+, NTFS, FAT32, ext4, ext3, BTRFS
HFS+, NTFS, FAT32, ext4, ext3
HFS+, FAT32, ext4, ext3, BTRFS
HFS+, NTFS, FAT32, ext4, ext3
HFS+, NTFS, FAT32, ext4, ext3, BTRFS
HFS+, NTFS, FAT32, ext4, ext3, BTRFS
HFS+, NTFS, FAT32, ext4, ext3, BTRFS
HFS+, NTFS, FAT32, ext4, ext3
Fully supported file system (internal)
ext4, BTRFS
ext4
ext4, BTRFS
ext4
ext4, BTRFS
ext4, BTRFS
ext4, BTRFS
ext4
x86-compatible processor
Yes
Yes
Yes
No
Yes
Yes
No
No
IDE/PATA
No
No
No
No
No
No
No
No
SAS
No
No
No
No
No
No
No
No
SATA (Serial ATA)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
SATA interface
S-ATA/600
S-ATA/600
S-ATA/600
S-ATA/600
S-ATA/600
S-ATA/600
S-ATA/600
S-ATA/600
S-ATA/600
S-ATA/600
S-ATA/600
SCSI
No
No
No
No
No
No
No
No
eSATA
Yes
No
No
No
Yes
No
No
No
No
No
Firewire
No
No
No
No
No
No
No
No
No
No
HDMI
No
No
No
No
No
No
No
No
No
No
Optical fiber
no
no
no
no
no
no
no
no
no
no
Thunderbolt
No
No
No
No
No
No
No
No
No
No
USB
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
USB (total)
3 ​
2 ​
2 ​
2 ​
3 ​
1 ​
2 ​
2 ​
USB 2.0
0 ​
0 ​
0 ​
0 ​
1 ​
0 ​
0 ​
0 ​
USB 3 Gen 1 (5Gbps)
3 ​
3 ​
2 ​
2 ​
2 ​
2 ​
2 ​
1 ​
2 ​
2 ​
2 ​
USB 3 Gen 2 (10Gbps)
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
USB 3 Gen 2x2 (20Gbps)
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
0 ​
Dimensions (WxHxD)
Depth
219 mm
232.2 mm
223 mm
224 mm
223 mm
233 mm
140 mm
223 mm
225.5 mm
Height
169 mm
165 mm
165 mm
199 mm
166 mm
166 mm
165 mm
175.5 mm
165 mm
166 mm
100 mm
Width
160 mm
108 mm
100 mm
166 mm
71 mm
199 mm
108 mm
53 mm
108 mm
199 mm
165 mm
Product weight
3000 g
1300 g
880 g
2180 g
700 g
2280 g
1300 g
1050 g
1300 g
2280 g
870 g
Designed for rack mounting
No
No
No
No
No
No
No
No
No
No
Features
DLNA
DLNA, Supports Hot-swap
Supports Hot-swap
DLNA
DLNA, Supports Hot-swap
DLNA
DLNA, Supports Hot-swap
DLNA
Cooling
Active
Active
Active
Active
Active
Active
Passive
Active
Active
Active
RAID
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Type of RAID
RAID 0, RAID 1, JBOD
RAID 0, RAID 1, JBOD
RAID 0, RAID 1, JBOD
RAID 0, RAID 1, RAID 5, JBOD, RAID 6
RAID 0, RAID 1, RAID 5, RAID 10, JBOD, RAID 6
RAID 0, RAID 1, JBOD
RAID 0, RAID 1, JBOD
RAID 0, RAID 1, RAID 5, RAID 10, JBOD, RAID 6
RAID 0, RAID 1, JBOD
Wake on LAN
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
RAM
2048 MB
2048 MB
512 MB
2048 MB
1024 MB
4096 MB
2048 MB
1024 MB
2048 MB
2048 MB
1024 MB
Operational Power Consumption (min-max)
90 W
17.23 W
12.46 W
8.45 - 28.3 W
9.4 W
12.6 - 28.8 W
5.78 - 14.99 W
14.69 W
26.49 W
5.16 - 16.79 W
Power consumption (standby)
5.4 W
5.06 W
4.22 W
8.78 W
5.16 W
Processor core type
4 (Quad) Core
2 (Dual) Core
4 (Quad) Core
2 (Dual) Core
4 (Quad) Core
4 (Quad) Core
4 (Quad) Core
4 (Quad) Core
2 (Dual) Core
4 (Quad) Core
4 (Quad) Core
Processor model
Intel Celeron J3355
Realtek RTD1296
Intel Celeron J4025
Realtek RTD1296
Intel Celeron J3455
Realtek RTD1296
Intel Celeron J4025
Realtek RTD1296
Realtek RTD1296
Processor speed
1.7 GHz
2 GHz
1.4 GHz
2 GHz
1.4 GHz
1.5 GHz
1.4 GHz
1.4 GHz
2 GHz
1.4 GHz
1.4 GHz
Operating system
Linux
DiskStation Manager (DSM)
DiskStation Manager (DSM)
DiskStation Manager (DSM)
DiskStation Manager (DSM)
DiskStation Manager (DSM)
DiskStation Manager (DSM)
DiskStation Manager (DSM)
DiskStation Manager (DSM)
DiskStation Manager (DSM)
Built-in hard drive
No
No
No
No
No
No
No
Yes
No
No
No
Quantity
1 ​
Storage capacity
4 TB
Price/TB
37.25 £/TB
Form factor
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
3.5 inch, 2.5 inch
Internal transfer rate
112 MB/s
225 MB/s
112 MB/s
Number of hard drive slots
4 ​
2 ​
2 ​
4 ​
1 ​
4 ​
2 ​
1 ​
2 ​
4 ​
2 ​