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Firmtek Seritek/e6G 2 Port eSATA PCI Express (PCIe) Serial ATA Adapter with Port Multiplier support for Apple Mac Pro and late 2005 Power Mac G5 (11,2) models. Supports Port Multiplier Enclosures (up to 5 drives per eSATA port). 2 year Firmtek warranty. (SATAE6G) Same Day $99.95
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2 Port 6Gb/s eSATA PCI Express Host Adapter

Up to 10 SATA devices | Port Multiplier Supported
The SeriTek/e6G is compatible with Apple Mac Pro, late 2005 PowerMac G5 (11,2) and PC's with an available PCI-Express slot. Mac OS X 10.6.x (Snow Leopard) 32-bit and 64-bit modes are supported along with Mac OS X 10.5.x, 10.4.11, Windows 7, Vista and Windows XP.

The FirmTek 64-bit SeriTek/e6G driver is built from the ground up to support the latest features provided in Mac OS X Snow Leopard while still maintaining backward compatibility with 32-bit system configurations.
SMART Application Support
The FirmTek SeriTek/e6G driver features S.M.A.R.T application support which enables it to deliver SMART data to third party utilities like Hardware Monitor. Users can conveniently monitor hard disk temperatures and the health of hard disks attached to the SeriTek/e6G while using their favorite Macintosh SMART reporting application.

In addition, Disk Utility can also be used to verify the SMART status of hard disks connected to the SeriTek/e6G. The FirmTek SeriTek/e6G is the first 2-port eSATA 6G controller that supports both port multiplication and Macintosh 3rd party SMART applications. SMART application support is a very useful feature for monitoring the condition of hard disks connected to the SeriTek/e6G.
The SeriTek/e6G features an energy efficient, two channel, SATA 6Gb/s compliant, hot swap, native eSATA interface with PCI-Express 2.0, one-lane bandwidth. The controller is compliant with the Serial ATA Revision 3.0 specification which supports SATA 6.0 Gb/s, 3.0 Gb/s and 1.5 Gb/s hard disks. SeriTek/e6G performance is optimized when installed in a PCIe 2.0 slot. The SeriTek/e6G is also backward compatible with PCIe 1.0 slots. For maximum performance, FirmTek recommends installing the SeriTek/e6G in a PCIe 2.0 slot when possible. The 2009 Mac Pro (MacPro4,1) offers PCIe 2.0 in all PCIe expansion slots. The 2008 Mac Pro (MacPro3,1) offers PCIe 2.0 in slot 2, while slots 3 and 4 provide PCIe 1.0 bandwidth. The SeriTek/e6G is PCI-Express Base 2.0 specification compliant which allows it to support PCI-e communication speeds of up to 5.0 Gbps when installed in a PCI-Express 2.0 compatible slot.
Port Multiplier
The FirmTek SeriTek/e6G supports FIS-based port multiplier aware hardware which allows up to ten hard disks to be connected to the controller when two 5-bay SeriTek/5PM enclosures are available. A port multiplier configuration can provide massive storage volumes for audio/video editing, multimedia libraries or backing up data. The SeriTek/e6G optimizes performance for up to 5 hard disks per data port by utilizing the advanced bandwidth characteristics of the PCI-Express architecture. Port multiplication also delivers significantly less cable clutter. A single eSATA data cable can attach up to five hard disks to the computer. The SeriTek/e6G can dramatically increase on-hand data storage capabilities. With up to 10 hard disks connected simultaneously, accessible storage limits can be effectively eliminated for all but the most demanding applications.
Direct Connect
Using a direct connect hard disk enclosure allows up to two external SATA hard disks to be attached to the SeriTek/e6G. This configuration offers optimal bandwidth for high performance RAID installations with a limited number of hard disks. The SeriTek/e6G eSATA controller supports a wide variety of hard disk configuration options for maximum connectivity.


  • SATA 6Gb/s compliant
  • Supports SATA 6.0 Gb/s, 3.0 Gb/s and 1.5 Gb/s Hard Disks
  • Fully compliant with Serial ATA Revision 3.0 specification
  • PCI-Express Base 2.0 specification compliant
  • Supports PCI-e communication speeds of 2.5 Gbps and 5.0 Gbps
  • S.M.A.R.T application support for third party Macintosh utilities
  • Supports Apple Disk Utility RAID and JBOD hard disk configurations
  • Bus Mastering off-loads data I/O handling from CPU
  • Complete CRC error checking, offers enhanced data protection
  • Two independent data channels with external Serial ATA (eSATA) connectors
  • Automatically identifies and configures drive types
  • Supports Mac OS Port Multiplier FIS based switching
  • Supports Native Command Queuing (NCQ)
  • Low power consumption and agressive power management
  • Direct connect support: Connect up to 2 disks with a SeriTek/2EN2 enclosure
  • Port Multiplier support: up to 10 disks using SeriTek/5PM enclosures
  • Oxford 936DS/936QS and JMicron enclosure support (Requires Mac OS X 10.5.6 or higher)

Product Specifications

Manufacturer Part Number



  • Two External SATA 6Gb/s Ports


  • External - 10 Devices

Bus Specifications

  • PCI-Express 2.0 x1 (Backward compatible with PCI-Express 1.0)

Form Factor

  • Standard PCI

RAID Functionality

  • Supports Disk Utility RAID 0, 1,and JBOD configurations

Operating System Support

  • Mac OS X 10.6.x "Snow Leopard" 32-bit and 64-bit modes
  • (Backward compatible with Mac OS X 10.5.x and 10.4.11)
  • Microsoft Windows 7, Vista and Windows XP

External Connectivity

  • x2 eSATA connector

Internal Connectivity

  • None


  • RoHS
  • EN55022/1998, EN55024/1998 (European Community)
  • FCC Part 15 Class B (US)

Power Requirements

  • Y5V +/- 5%es



  • Operating: +5°C to +55°C
  • Non-Operating: -25°C to +70°C

Relative humidity

  • Operating: 20% to 80%
  • Non-Operating: 15% to 90%


  • 2.62" x 0.3" x 2.75" (66.5 x 7.6 x 69.9mm)


  • 3.7 oz. (105g)


Manufacturer provided specifications for Firmtek p/n SATAE6G


  • SeriTek/e6G PCI-Express adapter
  • CD-ROM with user manual


This product is compatible with... Learn how to find your Mac's model ID
Mac Pro
Mac Pro 8-Core (Mid 2010)
(July, 2010)
Model ID: MacPro5,1
Mac Pro
Mac Pro (Mid 2010 Quad-Core)
(July, 2010)
Model ID: MacPro5,1
2.8GHz, 3.2GHz, 3.33GHz
Mac Pro
Mac Pro (Early 2009 8-Core)
(March, 2009)
Model ID: MacPro4,1
2.26GHz, 2.66GHz, 2.93GHz
Mac Pro
Mac Pro (Early 2009 Quad-Core)
(March, 2009)
Model ID: MacPro4,1
2.66GHz, 2.93GHz, 3.33GHz
Mac Pro
Mac Pro (Early 2008)
(January, 2008)
Model ID: MacPro3,1
2.8GHz, 3.0GHz, 3.2GHz
Mac Pro
Mac Pro (8-core)
(April, 2007)
Model ID: MacPro2,1
Mac Pro
Mac Pro
(August, 2006)
Model ID: MacPro1,1
2.0GHz, 2.66GHz, 3.0GHz
PowerMac G5
Power Mac G5 (Late 2005)
(October, 2005)
Model ID: PowerMac11,2
2.0GHz, 2.3GHz, dual 2.5GHz
FirmTek SeriTek/e6G 2 Port 6Gb/s eSAT
PCI Express Host Adapter
Mfr P/N: SATAE6G OWC SKU: FTKSATAE6G 2 Port eSATA PCI Express (PCIe) Serial ATA Adapter with Port Multiplier support for Apple Mac Pro and late 2005 Power Mac G5 (11,2) models. Supports Port Multiplier Enclosures (up to 5 drives per eSATA port). 2 Year Manufacturer Warranty Ships: Same Day only $97.99 Add to CartFirmtek SATAE6G In Stock, Click to Buy Now