ITX network transfer speeds?

Ice Tea

Ice Tea

Ice Tea

Soldato
Joined
1 Nov 2004
Posts
4,957
What sort of network throughput are people getting with their ITX boards using a single mechanical Hardrive as a lot of these boards seem to use a very basic disk controller without any raid so i wondered how well they coped with a lot of network In/Out and buffering.

Thanks
 
Really? What motherboard did you have in mind? My itx does raid, it also has 6gbps so my ssd will read and write at around 450mb/s.

If I pull things off the mechanical drive over the network it its about 95mb/s transfer speed which I guess is not far off the max disk read speed, I would guess this is pretty much topping out the realistic transfer speed of 1gbps lan.
 
My fault for posting at 2:00am in the morning it should be Budget ITX as the topic as i ment those boards around the £50 range like the H61.
 
Which OS and which NIC? Achievable speed varies greatly with the OS and driver (and packet size). I run a FreeBSD server here (not mini...) and on my i7-2600K desktop, I can write to it at 100MB/s but only read from it at 45MB/s. The read speed is dictated by one of the drivers (both Realtek NICs so not brilliant by all accounts) as the raw performance of the disk array is: block write 276MB/s, block rewrite 151MB/s and block read 384MB/s.
 
With VirginMedia now forcing people to download at night i was going to build a fanless Atom box but apart from the complaints of the Atom being to underpowered for lots of par repairing and unraring there also seems to be a lot of complaints about the Atom board only giving a network throughput of between 16 to 27MB/s and even then the Atom needs to be idle and not tasking from what i've read.

So i was now thinking of chucking a G530 in a budget ITX board like the MSI H61I-E35.
 
Can't comment on zip file performance but I've just copied a 2G file from my mainserver to a Zotac Ionitx-F (Atom N330 with Nvidia ethernet - in) and I got 47MB/sec and max 50% CPU utilisation of one of the N330s CPUs. This is the same speed I get from my Win 7 [email protected] (I'm beginning to suspect the Ethernet card in the server has drivers that aren't very performant as the disk array can more than keep up with 100MB/sec (max you'll get out of 1G ethernet)

I also have an Intel Atom N2800 running entirely passively as my firewall and whilst it isn't easy for me to do SMB file transfers as it is the interface to the outside world, I just did a iperf speed test and goit 430Mbit/sec whilst it was serving eveything in the house. The NIC in that is an Intel Pro NIC (and not a bad board at £72 IMHO).
 
Aha.. The only disk inside the box is a Kingston SSDNow (30G) which has read speeds of 180MB/sec and write 50MB/sec. Hardly surprising the system "only" managed 47MB/sec then....

On the other hand, I have tried going the other way and get 75MB/sec with that getting into the high 70's for CPU.

Running Ubuntu 10.04 LTS FWIW...

BTW: the N2800 has approx 20 connections out running through it at the same time.
 
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