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Tek Republic > 
Item#: N82E16817659005

Tek Republic TUN-300 USB 3.0 to Gigabit Ethernet Network Adapter

  • Chipset: ASIX AX88179
  • Automatic driver installation via Windows Update on Windows 8/7/XP, 32/64 bit
  • IPv4/IPv6 checksum offload, crossover detection and auto correction
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TUN-300

The Tek Republic TUN-300 USB 3.0 Gigabit network adapter adds a RJ45 Ethernet port to any USB-enabled PC. The USB 3.0 maximizes network access speeds and provides up to 5GBps at USB 3.0 bus levels. The TUN-300 is a compact USB 3.0 network adapter that is backwards compatible with older USB 2.0/1.x computer systems (speed limited by USB bus), which makes it the ideal portable replacement network adapter. Also, with support for features such as Jumbo Frames, VLAN tagging and Wake on LAN (WOL), the adapter is a versatile Gigabit network solution for home and business users alike.

Features

TUN-300
  • Gigabit Ethernet at USB 3.0 Speed
  • Supports 10/100/1000 with auto-sensing IEEE 802.3, 802.3u and 802.3ab (10BASE-T, 100BASE-TX, and 1000BASE-T)
  • Crossover Detection & Auto-Correction (Auto MDIX)
  • Supports Checksum Offload (IPv4, IPv6, TCP, UDP) and Large Send Offload
  • Lightweight & Portable
  • ASIX AX88179 Chipset

Specifications

Connectors 1 x RJ45 (Gigabit Ethernet) and 1 x USB 3.0 A male
Chipset ID ASIX AX88179
Data Transfer Speed 5Gbps, 480 / 12 / 1.5Mbps
Compatible Networks 10/100/1000Mbps - IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab, and IEEE 802.3az
Auto MDIX Yes
Full Duplex Support Yes
LED Indicators Activity (Yellow) Link (Green)
Dimensions (L x W x H) 2.6 x 1 x 0.6"
Weight 0.03lbs
Operating System Support Windows XP / Vista, Windows 7/8 and Mac OS X v10.6 or later

Learn more about the Tek Republic TUN-300

General

Brand
Tek Republic
Model
TUN-300

Connectors

Connector A
USB 3.
Connector B
RJ45
Specifications
Chipset: ASIX AX88179
Speed: 10/100/1000Mbps

Physical Characteristics

Dimensions
2.6" x 1" x 0.6"
Weight
0.03lbs

Features

Features
Chipset: ASIX AX88179

Speed: 10/100/1000Mbps

Compliant with Universal Serial Bus 3.0 Specification, Revision 1.0

Supports full duplex operation with IEEE 802.3x flow control and half duplex operation with back-pressure flow control

Compatible with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab

Supports IEEE 802.3az (Energy Efficient Ethernet) auto-detect usage for energy saving adjustment

Supports crossover detection and auto-correction

Supports Wake-on-LAN

Support Windows 2000/XP/Vista/7/8 (32/64 bit) and 2003; Mac OS X 10.6/10.7/10.8; Android 1.x/2.x/3.x/4.x, and Linux

kernel 2.6.14 and later.

Windows 8 Compatible

Download latest driver on manufacturer product page

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Tek Republic TUN-300

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  • Scott K.
  • 8/28/2014 4:33:05 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggs

Pros: USB 3.0, activity lights, price

Cons: You have to download drivers to get it to work.

Did you find this review helpful? Yes No

  • Jay N.
  • 8/5/2014 10:29:04 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggs

Pros: Device was recognized by Win 8.1

Cons: Does not connect to internet, attempted a driver update with no better result. System troubleshooter says IP issues, but all protocols are set to assign addresses automatically. This same machine worked great with another USB to LAN adapter, the qualcomm etheros ar948wb-eg.

Other Thoughts: Guessing perhaps that something new in the high speed configuration is incompatible with my 2yr old Asus Ux31e Laptop (Zenbook). will continue to troubleshoot and report back.

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  • JODY B.
  • 8/2/2014 8:25:26 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsExcellent way to add gigabit to a newer laptop

Pros: My laptop's 10/100 network adapter wasn't fast enough for when I needed to do large file transfers. The laptop is otherwise perfect, but I sorely missed the gigabit networking. I get consistent 25-30 MB/sec file transfers in Windows 7 to and from my Samba server. I have not had a single problem with reliability or throughput.

Cons: No driver installation media is included. You get a URL on the packaging to download the driver from. This is not entirely a bad thing, since drivers included with almost every piece of hardware I've ever bought tend to be sorely out of date and buggy or unreliable. The drivers on the website work well. This is not enough of an inconvenience to lower the rating, but it would be nice if this was clearly mentioned in the description.

Other Thoughts: This is an excellent way to add gigabit ethernet connectivity to a laptop that doesn't have it. I would recommend this product.

1 out of 2 people found this review helpful. Did you? Yes No

  • jon s.
  • 8/2/2014 6:04:07 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: great device
very fast

Cons: i have to install the drivers if it is the first time using it on a computer and i use it on lots of computers throughout the day so keep the drivers on a thumb drive is my fix for that.

Did you find this review helpful? Yes No

  • Jeffrey L.
  • 5/19/2014 3:10:30 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsTekRepublic TUN-300 Network Adapter

Pros: Works a few seconds after I plug into my DVP11-5130 tablet. Win8.1 had the drivers for the chip so no drivers needed.
Speed was 57Mb/s for internet . Have not tried file transfers yet.

Cons: None so far

Did you find this review helpful? Yes No

  • John C.
  • 5/1/2014 8:00:29 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat for Mac Air

Pros: when wifi isn't cutting it on a macbook air, this jewel allows the air to wire up.

Speeds up downloads by using a gig interface on a mac air

Cons: nothing with this adapter (apple does not have a driver, so you have to install one)

Did you find this review helpful? Yes No

  • William S.
  • 3/13/2014 1:21:40 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsgiga lan slower then expected speeds.

Pros: it works.. well drivers for windows 7 x64 were not as easy to get as i had hoped but in the end it was installed after googleing the Hardware ID and download the driver.

Cons: none as of yet.

Other Thoughts: I used this on an Acer inspire one that I have setup as a sort of NAS. all of my other systems have giga lan connection (wired) and i have two giga switches and one giga router (d-link 825) the storage devices that are being accessed are connected to the NAS via USB 2.0.. because of that i can't say with any certainty that! this will not hit peak speed, under better conditions

Did you find this review helpful? Yes No

  • Matthew W.
  • 1/14/2014 7:35:47 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks Great

Pros: Works great with windows 8 and 8.1 on my Helix

Has indicator lights

Cons: None

Other Thoughts: Could be slightly smaller.. though the size is not really a bother.

Did you find this review helpful? Yes No

  • Jeff L.
  • 11/17/2013 11:54:03 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsgood subsitute

Pros: My wifi broke on my pc so I bought this dongle to use temporarily. I have to say it's a pretty solid Ethernet dongle. No problems with it so far. Hopefully I get my wifi card fixed soon.

Cons: Nope

Did you find this review helpful? Yes No

  • MICHAEL H.
  • 11/8/2013 6:32:54 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat product, great price

Pros: I couldn’t believe how fast this little device can handle with 600+ photos and some videos (about 8gb) from my SDHC. Normally I go make a cup of coffee and play or walk my dog for 20+ mins before its complete with my old device. Now I only have time to get myself a cup of coffee from kitchen and walk back maybe 3-5 mins before everything is complete. I operate under windows 8 64bits. Another plus is the size, it is not much bigger than a AAA battery. Very convenient, and easy to carry around.

Cons: None

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Tek Republic > 
Item#: N82E16817659005
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