QNAP TS-809U-RP vs TS-859U-RP+ vs TS-859U-RP
  QNAP TS-809U-RP QNAP TS-809U-RP QNAP TS-859U-RP
Model Name TS-809U-RP TS-859U-RP+ TS-859U-RP
Target Customer Business Business Business
CPU Intel Core 2 Duo 2.8 GHz (E7400) Dual-core Intel® Atom™ (1.80 GHz) Dual-core Intel® Atom™ (1.66 GHz)
Flash 128MB (DOM for dual OS) 512MB (DOM for dual OS) 512MB (DOM for dual OS)
RAM 2GB RAM 1GB RAM 1GB RAM
Power Supply Specification Output:300W Output:300W Output:300W
Input: 100-240Vac, 47-63Hz, 5A-2.5A Input: 100-240Vac, 47-63Hz, 5A-2.5A Input: 100-240Vac, 47-63Hz, 5A-2.5A
LCD Display Yes Yes Yes
Touch-N-Go LCD Setup Yes Yes Yes
Hot-swappable Yes Yes Yes
Ethernet GigaLAN x2 GigaLAN x2(w/ Jumbo Frame) GigaLAN x2(w/ Jumbo Frame)
USB 2.0 port 4 4 4
eSATA No 2 2
VGA (for maintenance) Yes Yes Yes
NFS, SMB/CIFS, AFP Yes Yes Yes
Max IP Cameras Supported x4 x4 x4
Internal HDD Support SATA 3Gb/s (2.5" & 3.5")
SSD
SATA 3Gb/s (2.5" & 3.5")
SSD
SATA 3Gb/s (2.5" & 3.5")
SSD
RAID 0/1/5/5+Hot Spare/6/6+Hot Spare/JBOD/Single/ Expansion/ Migration/ RAID Recovery Yes Yes Yes
AES 256-bit Volume-based Encryption Yes Yes Yes
iSCSI Target Service Yes  (Up to 256 targets) Yes (Up to 256 targets) Yes (Up to 256 targets)
VMware Certification Yes Yes Yes
SPC-3 for clustering, LUN Masking & Mapping, MC/S, MPIO Yes Yes Yes
Wake On LAN Yes Yes Yes
Max User Accounts 4096 4096 4096
Max Groups 512 512 512
Max Shared Folder 512 512 512
Concurrent Connections 256 256 256
NetBench (Mbit/s) 1177.3 569.1 569.1
SMB* (MB/sec) Read:  114.9 Read: 116.1 Read: 114.5
Write: 103.1 Write: 106.8 Write: 94.6
FTP* (MB/sec) Read:  113.7 Read: 115.6 Read: 109.8
Write: 100.2 Write: 97.7 Write: 92.9
Power Consuming(W)* Sleep mode: 53 Sleep mode: 40 Sleep mode: 46
In operation:101 In operation: 73 In operation: 73
*Testing results may vary in different system condition
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