QNAP TS-559 Pro II vs TS-559 Pro+ vs TS-559 Pro vs TS-569 Pro
QNAP 5 Bay NAS QNAP TS-559 Pro QNAP TS-559 Pro QNAP TS-559 Pro
Model Name TS-559 Pro II TS-559 Pro+ TS-559 Pro TS-569 Pro
Target Customer Business Business Business Business
CPU Dual-core Intel® Atom™ (1.80 GHz) Dual-core Intel® Atom™ (1.80 GHz) Dual-core Intel® Atom™ (1.66 GHz) Dual-core Intel® Atom™ (2.13 GHz)
Flash 512MB (DOM for dual OS) 512MB (DOM for dual OS) 512MB (DOM for dual OS) 512MB (DOM for dual OS)
RAM 1GB DDR3 RAM 1GB RAM 1GB RAM 1GB DDR3 RAM
Extra RAM Slot (Memory Expansion) Yes (expandable up to 3GB) No No Yes (expandable up to 3GB)
LCD Display Yes Yes Yes Yes
Touch-N-Go LCD Setup Yes Yes Yes Yes
Hot-swappable Yes Yes Yes Yes
LAN GigaLAN x2 GigaLAN x2 GigaLAN x2 GigaLAN x2
Jumbo Frame Yes Yes Yes Yes
USB 3.0 port 2 (front x1; back x1) No No 2 ( back x2)
USB 2.0 port 4 (back x4) 5 (front x1; back x4) 5 (front x1; back x4) 5 (front x1; back x4)
Lockable HDD Tray Yes Yes Yes Yes
eSATA 2 2 2 2
VGA (for maintenance) Yes Yes Yes Yes
NFS, SMB/CIFS, AFP Yes Yes Yes Yes
Max IP Cameras Supported 4 4 4 1~16**
Internal HDD Support SATA 6Gb/s
SATA 3Gb/s (2.5" & 3.5")
SSD
SATA 3Gb/s (2.5" & 3.5")
SSD
SATA 3Gb/s (2.5" & 3.5")
SSD

SATA 6Gb/s(2.5" & 3.5")
SSD

RAID 0/1/5/10/6/5+Spare/6+Spare/JBOD/Single/ Expansion/ Migration/ RAID Recovery Yes Yes Yes Yes
AES 256-bit Volume-based Encryption Yes Yes Yes Yes
iSCSI Target Service Yes  (Up to 256 targets) Yes  (Up to 256 targets) Yes  (Up to 256 targets) Yes  (Up to 256 targets)
VMware Certification Yes Yes Yes Yes
Citrix Certified Yes Yes Yes Yes
Microsoft Hyper-V and Windows 2008 Failover Cluster Yes Yes Yes Yes
SPC-3 for clustering, LUN Masking & Mapping, MC/S, MPIO Yes Yes Yes Yes
Real-time Remote Replication (RTRR) Yes Yes Yes Yes
Wake On LAN Yes Yes Yes Yes
Scheduled On/Off Yes Yes Yes Yes
Windows AD Service Yes Yes Yes Yes
Share Folder Aggregation (DFS) Yes Yes Yes Yes
Max User Accounts 4096 4096 4096 4096
Max Groups 512 512 512 512
Max Shared Folder 512 512 512 512
Concurrent Connections 256 256 256 256
SMB* (MB/sec) Read: 116.1 Read: 116.1 Read: 115.1 Read: 223 (Gigabit *2)
Write: 104.3 Write: 104.3 Write: 97.2 Write: 222 (Gigabit *2)
FTP* (MB/sec) Read: 113.5 Read: 113.5 Read: 113.4 Read: 192 (Gigabit *2)
Write: 101.3 Write: 101.3 Write: 97.4 Write: 139 (Gigabit *2)
Power Consuming(W)* Sleep mode: 21 Sleep mode: 21 Sleep mode: 22 Sleep mode: 29.1
In operation: 38 In operation: 38 In operation: 44 In operation: 48.5
*Testing results may vary in different system condition
**Applies to firmware 3.6.3. Users can purchase activation licenses online and increase the number of channels supported.
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