Cat5, erm... well Cat5e can sustain 1Gbps speed without any issue in my home's network, but I'm not so sure about huge office environment (more than 20 PCs).
For home network where there's less than 5 busy devices on a single network, it's fine to use just Cat5e with cheap layer-1 switch, no issue at all.
I'm using DLink 8-port Gbps switch, no issue on my end yet, been running months non-stop, the only bottleneck could be my hard disk, running without any RAID.
To maximize the huge files transfer speed in Windows network, you can actually set the Jumbo frame to 4K and above, but best to set a standard amount (4K or 8K, etc.) for all PC's network card for stability issue, it has been tested on my end here, from 60MB/s to 75MB/s, could be more depends on the hard disk speed again, can reach 90MB/s and above easily with really fast hard disk or SSD on both end.
For few PCs access a single device, that'll again depends on the hard disk accessibility speed, also it may depends on the services as well, priority queues stuff like that.
I have 2 PCs access a single file shares before, watching full HD movie on both sides without any issue, no lags at all, but if you going to seek the movie, probably will need to pause for few seconds (lag) instead of instantaneous seek.

Cat5, erm... well Cat5e can sustain 1Gbps speed without any issue in my home's network, but I'm not so sure about huge office environment (more than 20 PCs).
For home network where there's less than 5 busy devices on a single network, it's fine to use just Cat5e with cheap layer-1 switch, no issue at all.
I'm using DLink 8-port Gbps switch, no issue on my end yet, been running months non-stop, the only bottleneck could be my hard disk, running without any RAID.
To maximize the huge files transfer speed in Windows network, you can actually set the Jumbo frame to 4K and above, but best to set a standard amount (4K or 8K, etc.) for all PC's network card for stability issue, it has been tested on my end here, from 60MB/s to 75MB/s, could be more depends on the hard disk speed again, can reach 90MB/s and above easily with really fast hard disk or SSD on both end.
For few PCs access a single device, that'll again depends on the hard disk accessibility speed, also it may depends on the services as well, priority queues stuff like that.
I have 2 PCs access a single file shares before, watching full HD movie on both sides without any issue, no lags at all, but if you going to seek the movie, probably will need to pause for few seconds (lag) instead of instantaneous seek.

can those cheap switches actually sustain a 1gbps speed? something tells me no
Ok, maybe I guess if it just one connection it should be ok, but have never tried before.

anyone knows the samsung drives  f3 is now branded as what model under SG?

Planning to get a synology but there's so many of them 

Going to need a minimum of 2 bays, and only light home use (1-2 user video streaming & file backups). Is DS213air the right choice ?

Is there any Synology NAS that have cloud function with 2 hdd bay?

So.......

I have changed my switch to TP-Link Gigabit switch and Cat6E cable
but still the transfer is too damn slow..only 3MB/s (now i know the difference between MB/s and mb/s lol)

Before i changed the cables and switch..even transferring between pc is damn slow somewhere around 12MB/s but now it increased to 40MB/s

Could it be NAS (ReadyNAS 104) problem?? 

Going to go for the Synology 214play

What drives should I pair with it ? Was recommended WD Red

Hi, those who use N40L. Is RAID working properly if I run XPEnology DSM?

I would it worth more than DS413J

qwerty79

I'm sorry, I haven't try raid yet but it should work properly.

Where you bought yours bro?

Anyone know where can I buy this apart from lelong