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Question: Can I plug this into my external hard drive and then have all of my wifi devices (laptops, desktops, etc) save and retrieve files to/from  it?
Document: I have a Netgear access point configured to work in N300 mode. I also have an external network disk drive from WD. It is connected to the router/access-point with a ethernet cable. My problem is, that transferring files from my laptop (with built-in 802.11b+g) takes a long time.
I installed it - it was nice and easy - link 300Mbit/s - impressive. But... I started transferring files to my network hard drive and it turned out they go through very slowly - around 650kbit/s. I tried downloading files from the Internet - they went through with max speed ~3Mbit/s - that is my Internet provider limit. I turned off the WNA3100M adapter and used the built-in one in my laptop. Transfer speed to my disk drive was again 15Mbit/s.
I have used this particular adapter before on windows xp thru windows 7 systems w/o issue. That includes desktops and laptops. It has also worked very well with non-Netgear vendor wifi routers and 802.bg standards. Unfortunately I can't use it on Linux, it appears not to have been qualified on any distros.
Just google the model and you'll see tons of problems, It may be cheap but it's not worth, I had a driver issue to begin with, and currently I have the issue of it slowing down my whole network. As long as it's unplugged everything is great, as soon as I plug it in every internet device in my house slows to a crawl, wifi/wired devices alike.
I needed to go wireless. I have a DSL line and purchased the Netgear N300 Wireless router. I attached this adapter to my hard drive and the system is working well.
Worked for a while but then it quit connecting to the router. I ordered this because my Toshiba netbook (in the living room) had trouble connecting with our router, which is in the large bedroom several rooms away. I installed the CD using an external drive because it didn't come with one but wish the manufacturer had provided online installation instead, which would have been so much easier.
Also, my HP LaptopHP Pavilion DV3-1075US 13.3-Inch Laptop (2.10 GHz AMD Turion X2 RM-72 Dual-Core Processor, 4 GB RAM, 320 GB Hard Drive, DVD Drive, Vista Premium) Bronze/Chromeworks fine with my router.I've got a Cisco/Linksys routerCisco-Linksys WRT160N Wireless-N Broadband Router, and except for having to unplug it once-in-awhile, I'm pretty pleased with the router's performance.
It has nice look and small. I purchased this to give my desktop freedom. Which is next to wireless router.Web surfing and downloading from internet is fine. But when I hook it up with full 300Mbps N speed and do copying files in local network between another computer and my desktop, it often hangs during copying job and my desktop re-establishes wifi connection again after hanging for a minute later. Not for serious users.
I am very happy with this usb wifi adapter. Setup took only a few minutes. The Internet speed runs very fast through this. I don't feel like I am losing much speed compared to the hard wire LAN setup, although I can't test it since the pc is too far from the modem, hence this purchase. I am using it on a Windows XP desktop and a Netgear wndr3400 wireless router connected to CenturyLink Internet.
Something worth noting is that when I plugged the same laptop into my hard wired network connection using Ethernet Cat5e the speed jumped to download 58, and upload 38. I received the same results on my desktop machine running the same test. Net result: use hard wiring whenever possible. My brother likes to hard wire his laptop and then unplug it and be off somewhere using it wirelessly.Most laptops have a wireless connection already built in; mine doesn't. My laptop an HP is running Windows Vista.
Answer: No.