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This article provides a list of power adapter specifications for most Seagate products that require external power supplies. Please use these specifications when replacing your adapter to ensure compatibility.
| Direct Attached Storage Drives |
| Product Image | Product Name | Power Adapter Specifications |
 |
Backup Plus Hub |
12 Volts 3 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Backup Plus Hub for Mac |
12 Volts 3 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Backup Plus Desktop Drive |
12 Volts 1.5 or 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Expansion Desktop Drive |
12 Volts 1.5 or 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Game Drive Hub for Xbox |
12 Volts 3 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
FireCuda Gaming Dock |
20 Volts 5.5 Amps Mono Pin 7.4mm x 5mm Polarity: Center Positive |
| Network Attached Storage Drives |
| Product Image | Product Name | Power Adapter Specifications |
 |
Personal Cloud |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Personal Cloud 2-bay |
12 Volts 4 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Seagate Central |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
GoFlex Home |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
| Home Media Entertainment Devices |
| Product Image | Product Name | Power Adapter Specifications |
 |
DVR Expander |
12 Volts 1.5 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
GoFlex TV |
5 Volts 4 Amps Mono Pin 4mm x 1.7mm Polarity: Center Positive |
 |
GoFlex Cinema |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
FreeAgent Theater Plus |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
FreeAgent Theater |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Wireless Plus |
5 Volts 2 Amps Mono Pin 2.35mm x .70mm x 10mm Polarity: Center Positive |
 |
GoFlex Satellite |
5 Volts 2 Amps Mono Pin 3.5mm x 1.35mm x 8.3mm Polarity: Center Positive |
| Legacy Direct Attached Storage Drives |
| Product Image | Product Name | Power Adapter Specifications |
 |
Expansion Desktop |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Expansion Desktop |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
FreeAgent Desktop Drive |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
FreeAgent Desk (Windows) |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
|
FreeAgent Desk (Mac) |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
FreeAgent Xtreme |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
FreeAgent Pro |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
GoFlex Desk |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
GoFlex Desk for Mac |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Backup Plus Desktop |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Backup Plus Desktop for Mac |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Backup Plus Desk |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Backup Plus Desk for Mac |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Seagate Pushbutton Backup |
12 Volts 3 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Seagate eSATA External Hard Drive |
12 Volts 3 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Seagate Showcase |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Seagate Portable Drive |
5.4 Volts 1.3 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Negative |
 |
FreeAgent Go Dock+ |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
OneTouch I |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
OneTouch II |
12 Volts 3 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
OneTouch III |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
OneTouch IV |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Maxtor Basics Desktop |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Maxtor Personal Storage |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
BlackArmor WS 110 |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
| Legacy Network Attached Storage Drives |
| Product Image | Product Name | Power Adapter Specifications |
 |
Seagate Business NAS 4-bay |
19 Volts 4.7 Amps Mono Pin 4.75 x 1.7mm Polarity: Center Positive |
 |
Seagate Business NAS 2-bay |
12 Volts 4 Amps Mono Pin 3.5mm x 1.1mm Polarity: Center Positive |
 |
Seagate Business NAS 1-bay |
12 Volts 3 Amps Mono Pin 3mm x 1.1mm Polarity: Center Positive |
 |
BlackArmor NAS 440/420 |
19 Volts 4.7 Amps Mono Pin 5.5mm x 1.7mm Polarity: Center Positive |
 |
BlackArmor NAS 220 |
12 Volts 3 Amps Mono Pin 4.75mm x 1.7mm Polarity: Center Positive |
 |
BlackArmor NAS 110 |
12 Volts 2 Amps Mono Pin 5mm x 2.5mm Polarity: Center Positive |
 |
Seagate NAS Pro 6-bay |
12 Volts 12.5 Amps 4 Pin Din Connector Polarity: n/a |
 |
Seagate NAS Pro 4-bay |
12 Volts 10 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Seagate NAS Pro 2-bay |
12 Volts 5 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Seagate NAS 4-bay |
19 Volts 4.7 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Seagate NAS 2-bay |
12 Volts 4 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Seagate WSS NAS 6-bay |
12 Volts 12.5 Amps 4 Pin Din Connector Polarity: n/a |
 |
Seagate WSS NAS 4-bay |
19 Volts 4.7 Amps 4 Pin Din Connector Polarity: n/a |
 |
Seagate WSS NAS 2-bay |
12 Volts 4 Amps 4 Pin Din Connector Polarity: n/a |
 |
Seagate Business Storage Windows Server |
12 Volts 12.5 Amps 4 Pin Din Connector Polarity: n/a |
 |
FreeAgent DockStar |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
GoFlex Net |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Mirra |
12 Volts 5 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
 |
Central Axis |
12 Volts 2 Amps Mono Pin 5.5mm x 2.5mm Polarity: Center Positive |
