QNAP TS-209 II vs QNAP TS-209 II Pro

Comparison of TS-209 II, TS-209 II Pro

25 specifications	A QNAP TS-209 IIView product	B QNAP TS-209 II ProView product
Storageidentical
Total installed storage capacity	2 TB	2 TB
Number of storage drives installed	2	2
Storage drive capacity	2 TB	2 TB
Storage drive interface	Serial ATA II	Serial ATA II
Storage drive size	3.5"	3.5"
Processoridentical
Processor frequency	0.5 GHz	0.5 GHz
Memoryidentical
Internal memory	0.25 GB	0.25 GB
Internal memory type	DDR2	DDR2
Flash memory	8 MB	8 MB
Network1 differ
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Jumbo frames support	Yes	Yes
Supported network protocolsDiffers	TCP/IP, CIFS/SMB, AFP, HTTP, HTTPS, FTP, DDNS, NTP	TCP/IP, CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP, DDNS, NTP
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantity	3	3
eSATA	Yes	Yes
Designidentical
Chassis type	Desktop	Desktop
Weight & dimensionsidentical
Weight	2.4 kg	2.4 kg
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Relative humidity	0 - 95%	0 - 95%
Other features1 differ
Compatible operating systemsDiffers	Win 98/ ME/ NT/ 2000/ XP/ 2003/ Vista Mac OS X	Win 98/ ME/ NT/ 2000/ XP/ 2003/ Vista Mac OS X Linux Unix
Dimensions (WxDxH)	175 x 214 x 115 mm	175 x 214 x 115 mm
Link/Act LED	Yes	Yes
Power requirements	100-240V, 50/60Hz	100-240V, 50/60Hz
Connectivity LEDs	LAN/USB	LAN/USB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.