The Specs

Interface
Interface Connection IEEE 1394 - 6 pin (Firewire)|IEEE 1394b - 9 pin (Firewire)|Serial ATA - 7 pin|USB
Interface Type 9-pin - IEEE 1394b - FireWire|- IEEE 1394a - FireWire|- USB 2.0 - USB|7-pin - Serial ATA/300 - eSATA|9-pin IEEE 1394b - FireWire|IEEE 1394a - FireWire|USB 2.0 - USB|7-pin Serial ATA/300 - eSATA
Storage
Capacity 4 TB Installed
General
Form Factor Width 3.5"
Internal/External Desktop
Additional Specifications
Green Compliance Yes
Number of Hard Drive Install 2
RAID Support Yes
Number of Total Expansion Bays 2
Total Hard Drive Capacity Install 4 TB
Product Model WDH2Q40000N
Hard Drive RPM 7200
Front Camera WD
Brand Name WD
Quick Glance
Interface 9-pin - IEEE 1394b - FireWire|- IEEE 1394a - FireWire|- USB 2.0 - USB|7-pin - Serial ATA/300 - eSATA|9-pin IEEE 1394b - FireWire|IEEE 1394a - FireWire|USB 2.0 - USB|7-pin Serial ATA/300 - eSATA
Drive Type Hard Drive Array
Internal/External Desktop
Rotational Speed 7200
Capacity 4000000
Drive Width 3.5"
Warranty
Warranty Information 5 Year Limited
Dimensions
Weight 5.20 lbs
Dimensions 3.87
More Info
URL http://www.wdc.com
Performance
Drive Type Hard Drive Array
Rotational Speed 7200 rpm

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