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Kensington > 
Item#: N82E16826125017

Kensington 64325 Black 4 Buttons USB Wired TrackBall Ultimate Trackball Mouse

  • 4 Buttons
  • USB Wired
  • TrackBall
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  • newegg DiamondEye Technology The Kensington 64325 features the DiamondEye Optical tracking technology to provide superior accuracy.
  • newegg Scroll Ring Design The Kensington 64325 comes equipped with the award-winning Scroll Ring design to ensure precise fingertip scrolling.
  • newegg Large Scrolling Ball The Kensington 64325 features a large scrolling ball to provide convenient control with maximum precision.
  • newegg Detachable Wrist Rest The Kensington 64325 boasting a detachable wrist rest to cradle your hand in comfort for cozy long-period typing.

Learn more about the Kensington 64325

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the Kensington 64325

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  • mikhail g.
  • 10/8/2014 1:47:13 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

2 out of 5 eggsUnwieldy big. I don't know why I didn't expect that

Pros: -Symmetrical trackball WITH A SCROLL WHEEL! Logitech, please take note.
-Firmware that allows for simultaneous clicking to add further functionality, ala middle click and 6th click. The firmware is good enough give you lots of options here.
-Could probably kill someone with it if I needed to defend myself against an intruder.

Cons: -Massive. I have small hands, and I could not find a comfortable way to rest my hand on this mouse to be able to reach all four buttons.
-The button layout, and I had a feeling this would be the case, is not economical what so ever. It simply was not designed for the top buttons to be reachable with the hand in a resting position.
-The buttons are too heavy to click, and especially to hold.
-The wristpad is laughably bad. Too firm, never tested for actual use and as such misshaped. The plastic thing that was suppose to connect the wristpad to the mouse is one-time use, and promptly broke to pieces upon trying to take the wrist pad off.

Other Thoughts: No, ergonomics was not a goal set in mind when Kensington made this mouse. I'm not sure what goals they actually set because it's almost unwieldy. I'm coming to the Expect Mouse from Logitech's Trackman Marble, which is far from ideal itself, but it has ergonomics on its side, and moving from that to this is not pleasant. With the included wristpad my hand rested heavily on an uncomfortable part of my wrist. With a third party bead wrist pad I'm in the same boat as any normal mouse except my fingers are stretched out everywhere in order to reach the buttons, and that starts to wear down on you. I was hoping to rest my palm on the mouse (the way I do on the Logitech Trackman) but that was no the case here, and that's the biggest issue I have with this mouse.

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  • Patrick C.
  • 12/31/2013 8:46:11 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

4 out of 5 eggsAwsome Trackball

Pros: Very good quality, works well, solved my carpal tunnel syndrome.

Cons: Gets dirty quickly, have to clean it often.
Expensive for wired USB.
Would have expected wireless for that price

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  • margaret p.
  • 12/3/2013 11:53:30 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsdon't buy it

Pros: reduces carpal tunnel issues, because it's stationary

Cons: trackball is not secure, can fall out and roll anywhere. scrolling has a gritty feel to it, not what you expect from a high priced mouse. the worst problem for me is the top 2 buttons have to be programmed, but they will stop working. also, you cant use a top button with a bottom button. you have to use either the top 2 or the bottom 2. the scrolling worked briefly, then failed in the program i use. the clicking often fails me, i have to double or triple click to get it to register.

Other Thoughts: no drivers included, you have to download it and run the program in background. the ergonomics are bad for me, i have to use my index finger to roll the mouse. very imprecise for what i do.

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  • Robert E.
  • 9/6/2013 8:02:23 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsIt's a programmable track ball that works

Pros: I've been using this brand of trackballs for 10 yrs and this one is the best. I own 4 of this model and use them daily. I do not lay my palm over the ball I just lay the three middle fingers over the ball and only use upper buttons for special purposes. It seems some are trying to access all buttons from one position of the hand. 7 possible functions are available beyond the mouse movement itself. 4 buttons, 2 chording commands and the scroll ring, which is directional as to your preference. I had to use other software - freeware- until Kensington came out with the new software, and it works great with 64bit Vista and Win7, I haven't tried 8 so can't comment. This model is much improved over the last

Cons: 2 cons on these. 1 - is the scroll ring quit working on my oldest unit. 2 - scroll ring is a little on the inconsistent side as far as firmness and feel - between the 4 units I have, as in smoothness comparing one to the other. And I do feel the first unit I had was the worst scroll ring feel out of the box, and the newest, was the best feel. So maybe they got the problem corrected. In all honesty, the scroll ring that failed was very old before it just recently failed. But all other functions still work.

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  • Mark H.
  • 8/20/2013 7:45:12 PM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsbest trackball I have had

Pros: This is the largest smoothest trackball i could find at the time. I have had it about 4 years. The large size makes it much easier to make precision movements. I will admit I really don't like mice, they run all over the table just like the kind you have to feed.
The only bigger one I know of is designed for people with limited mobility, not for precision.
I will admit there are some places where a mouse or tablet is better, Photoshop for example. I have used a tablet with stylus for that.

Cons: I do have to clean it every few months. Lifting out the ball and blowing dust out of the bowl keeps it working.

Other Thoughts: I have never used the supplied software, it is being used as a two button device plus the ring. I switch between so many different applications that I never found a universal use for the extra buttons.

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  • Mark D.
  • 7/16/2013 8:57:47 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsThe only thing I use

Pros: The ease of use. I've never had a problem with any of my computers seeing it.

I love the fact that I'm not having to always pick up an reposition it like you do with a mouse.

Cons: If you have never used a track ball before it does take getting use to. (about a week) but once you do you will never go back.

Don't use a track ball with those tiny balls..they are a pain.

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  • Kelly M.
  • 6/25/2013 12:56:52 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsHorriball

Pros: I bought the thing because of reviews of people who obviously have never tried other balls.

It has 4 buttons.

Wheel.

Cons: I found out the buttons weren't programmable out of the box, you had to download this horrible clunky program from their site. They have since tuned the program but it was just something that should have been made available long ago.

It broke after only 2 years of moderate usage the eye just stopped registering ball movement.

The ball is way to big and it,s very clunky made for a giants hand.

Buttons are awkwardly placed, I am 6' tall with very long piano fingers and had a hard time reaching 2 of the four buttons comfortably.

Boo.

Other Thoughts: My Logitech Marble is still working after 15 years of very hard usage through college, university, software analyst, and telecom jobs across 2 countries.

Spare yourself the grief and go Logitech Marble Trackball (just bought another one of those today as a backup).

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

  • Howard S.
  • 4/21/2013 8:24:07 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsWonderful

Pros: Easy to use, works on Macintosh, Windows, and Linux. Ball is big enough to be accurate, not a crude marble like some trackballs. Ambidextrous. I don't really use the top two buttons often, but they can be useful. The scroll ring is also big enough to be accurate. Note that I don't make much use of the software, certainly not under Linux, but also not much under Mac OS X. I don't use Windows other than in a VM, but it seems to work fine there.

Cons: Gets dirty and is hard to clean. While you can turn the unit upside down to get the ball out, then blow on the cradle and rub the three contact points to get dust off, dust and hair/fur can also get into the unit past the lights that track the ball. That's harder to clean. That's why I took off one egg.

Other Thoughts: I've been using this model of track ball and its predecessor models since the late 1980s. They're great. The main improvement I'd like to see is for the mechanical bits to be sealed from dirt, and/or a way to clean inside the unit that doesn't require a screwdriver and voiding the warranty.

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  • Paolo H.
  • 3/7/2013 5:07:45 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month

5 out of 5 eggsWorks Great

Pros: Installed no problem with Windows 7. Fast shipping. Top buttons will take some getting used to. Good feel and really comfortable even after hours of use. A definite must for someone who had multiple wrist surgeries like myself.

Cons: Scroll ring looks hard to clean. Might get real nasty after a year of use if you don't wash your hands regularly.

Other Thoughts: Comes with a free comfortable hand rest which snaps into place...however one of the cheap snaps broke off during the installation....but what the heck it's still free right? A little hidden duct tape underneath fixed it right up and the hand rest now stays in place and no one's the wiser.

I'm still giving it a 5 star rating as it's still an excellent trackball mouse hand rest or not.

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  • William H.
  • 2/21/2013 3:38:05 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsTrackball driver is terrible

Pros: Trackball itself is good. The scroll ring feels cheap, but otherwise the device is good. I like the large ball size and the buttons have a quality click feel.

Cons: The drivers for Windows made my system unusable. I had to unplug the trackball, plug in another mouse in order to regain control and get to the place where I could uninstall the driver. I ended up using the generic Windows 8 mouse driver. This limits the functionality of the trackball, and the pointer speed, even when set at maximum, is a little slow with the generic Windows driver. It appears to me that Kensington has for years made really bad trackball drivers and continues to do so.

Other Thoughts: Strongly recommend not getting this trackball if you are using Windows 8 64-bit and cannot live with the generic Windows driver.

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

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