Slow Read/Write Speed`

“the drive can achieve better throughput than what I am getting now”

Probably not, I really doubt it. Those speeds are within range. Most people do not realize, you will never get the standard speeds. Big difference between standard vs actual:

http://www.speedguide.net/faq_in_q.php?qid=374

Here is a nice doc explaining the gig speed. Wish there was a newer one, but you get the idea

http://www.tomshardware.com/reviews/gigabit-ethernet-bandwidth,2321-3.html

And yes, as TonyPh12345 stated, the MBL has no wifi, so nothing it can do in regards to it. Wifi signal is all your router. Just because you have an N connection, does not mean you will get that speed, signal strenght and other factors will affect it.