Netgear RN21241D – ReadyNAS 2120 1U 4- Bay, 4x1TB Desktop Drive Hardware Manual

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Storage temperature: -20 to 70°C (-4 to 158°F)
Storage humidity: 5 to 95% relative humidity (noncondensing)
Software-controlled 3 mm x 40 mm chassis cooling fan
Certifications:
FCC Class A, CE Class A, RoHS, VCCI Class A
ReadyNAS 3138 Technical Specifications
The ReadyNAS 3138 storage system meets the following technical specifications:
General:
Intel quad core Atom
 processor, 2.4 GHz, 2 MB cache
4 GB memory
Four-bay storage
Two eSATA ports
One USB 2.0 port (front)
Two USB 3.0 ports (back)
Four Gigabit LAN ports
Physical dimensions (h x w x d):
44 x 486 x 406 mm (1.7 x 19.1 x 16.0 in.)
Physical weight:
5.21 kg (11.46 lb) without disks
Power consumption:
BTU at full power supply utilization: 73W
In operation: 55W
Power off (Wake On LAN): 1.5W
Power off: 0.28W (230 VAC) 0.17W (115 VAC)
Defaults and Technical Specifications
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ReadyNAS OS 6.5