HT204350 What is the transfer speed?

What is the transfer speed using Thunderbolt port between two Macbooks with OS X Maverics platfrom?

Thunderbolt gives you two channels on the same connector with 10Gb/s of throughput in both directions. Ultrafast, ultraflexible
Thunderbolt 2 pushes that to 20Gb/s.
http://www.apple.com/thunderbolt/
http://news.cnet.com/8301-17938_105-20088164-1/thunderbolt-vs-usb-3.0-why-its-a- lose-lose/
http://reviews.cnet.com/8301-13727_7-57614844-263/how-to-transfer-large-amounts- of-data-between-macs-quickly/
http://arstechnica.com/apple/2013/10/os-x-10-9-brings-fast-but-choppy-thunderbol t-networking/
http://support.apple.com/kb/HT5872?viewlocale=en_US&locale=en_US

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I have an ipad 2 and when connected to my wifi at home it will not download and play you tube videos quickly. Do I need to upgrade my connenction speed? What is the optimal speed?

I have an ipad2. When connected to my wifi at home it will not download you tube videos for easy viewing. Do I need to upgrade my connection speed? Would 3 Mbps be enought or do I need to go to 6 Mbps. I mainly use my ipad to view emails, browse the internet and watch you tube videos.
thanks - Michelle

Welcome to Apple Support Communities.
There are a number of factors in the 'speed' equation. Any or all of them can affect the 'observed' speed of your connection.
1. Are you in a neighborhood full of WiFi routers (and thus, lots of WiFi interference)? I can 'see' at least 22 other WiFi routers from my living room!
2. What is the maximum connect speed and band and bandwidth available from your wireless router. Is it 802.11n or the older 802.11a/b/g? 300Mbits or 150Mbits? 2.4Ghz or 5Ghz or both? Does your router measure (QoS) Quality of Service and can it change 'channels' automatically?
3. What is the observed strength of your wireless connection? Are you getting at least 80% signal when connected? Are there other people in your family also using significant bandwidth at the same time (Netflix, streaming video, streaming audio, game systems)
4. What is the "advertised" speed of your current ISP connection?
5. What is the measured throughput of your current setup. Go to speedtest.net or use the free speedtest.net app available in the App Store. Try several times, from different locations in your home, and at different times of day and night.
I have AT&T DSL advertised at 3Mbit/sec down and 512Kbit/sec up. My Speedtest.net measured throughput is about 2.4 Mbit/sec downstream and upstream is about 0.4Mbit/sec. I'm using a Motorola Netopia 2210-2 DSL modem. I have no problem viewing YouTube videos and other mobile video content on the iPad 2. I'm connected wirelessly to a D-Link DIR-655 Gigabit router rated at 150Mbps at 2.4Ghz (only) with 802.11 b/g/n enabled. The interior of my home is within a range of 30-50 feet from the router and no more than 1 wall. It is a single level concrete slab foundation of about 1500 sq. ft. with cathedral ceilings. I have successfully streamed ESPN3.com on my MacBook at the same time my son was streaming another ESPN3.com game on his MacBook Pro. I've streamed YouTube videos while my son was watching a NetFlix movie on his Wii game system. He's also successfully used Skype for extended 'teleconferences.' None of my devices are connected to HDMI on a large screen TV. 95% of the time, I can do iChat video without any signal breakup to my son (who is at a college with a Gigabit (1000Mbit) wired connection!). 5% of the time the connection drops. We haven't tried FaceTime (designed for mobile connections to be much less bandwidth-intensive, from what I understand) simply because we both have iChat on our computers.
So for me, a 3Mbit DSL connection is absolutely adequate, given all the other parameters mentioned. As the car manufacturers say, "Your mileage may vary."
Message was edited by: kostby

What's the maximum speed that AirPort Extreme can share with Wifi?

The thing is that I am going to buy a new Wifi Router, but I was considering an AirPort Extreme from Apple but is not specify what's the maximum speed of Internet connection for the Wifi to share, I know that the limit might depend on my service provider, but I don't know what is the theoretical maximum of the AirPort Extreme, does anybody knows?

1,000 Mbps on an Ethernet connection
450 Mbps on a wireless connection, assuming you have a new computer and it has line of sight with the AirPort Extreme. Otherwise, the speed will be lower due to obstructions absorbing the signal.

What is the transfer rate of an airport express extreme router?

I am buying a router and I could not locate (in the package) the transfer speed rate of an airport express extreme router. Does anyone know how they compare to other commercial routers, from say Cisco?

Yes it is interesting to look at the speed of technological advance. I first started using an Apple about 30 years ago when they had floppy discs rather than hard drives. Mine had two floppy disc drives so I could work all day without swopping discs (single disc drives needed you to swop the data disc and the programme disc every so often as the Ram on the machine was limited. Since then I have up-graded every 4 to 5 years (approximately every other operating system upgrade)
Before that, in the 1970's we were changing from slide rules to electronic calculators which got steadily better and cheaper. The early Anita Calculator (with valves) cost as much as a small car - now they give simple calculators away with Christmas Cards.
I wonder how much further the technology behind the home computer will go before further advances, like those in calculators, become pointless from the user's point of view. Maybe it will take another 10 years or so but once everything we want to do is incorporated into a voice driven computing device possibly storing data in the cloud, then it will be the reliability of the components that will be the benchmark of a good system and having the latest "fastest" model will be far less important.

What is the minimum speed Telstra guarantees ADSL 2+ to connect at?

What is the minimum speed Telstra guarantees ADSL 2+ to connect at? I asked a Telstra sales person what the minimum speed was they said the minimum was 8 Mb/s. I asked for that in writing but they could not find it, nor could they find the minimum speed in any documentation. Am I correct in thinking the minimum speed guaranteed by Telstra (for ADSL 2+) is 256 Kb/sec?

Hi jjobrien, Not since the 90s has anyone considered 0.33mbps to be a good speed, so I can understand your frustration with this. What affects your ADSL speed The speed achieved on ADSL depends on a number of factors, the main one being the cable distance between your premises and the DSLAM. Whirlpool have an article that explains the relationship between distance and speed very well and you can view it here: http://whirlpool.net.au/wiki/dslam_speeds There are also DSLAMs that are affected by high demand, and lowering the overall speed available to customers. We are working on upgrading these exchanges and as upgrades are planned, these can be viewed here: http://telstrawholesale.com.au/download/document/tw-report-backhaul-upgrade.xls The configuration of the equipment and internal wiring of your home can also have a big part to play in speed results. How to check your equipment It is possible that there is a fault within network (and not just a matter of cable length), but to confirm this we ask customers to perform an isolation test. We do this on every call as it can not only resolve or identify the issue sooner for customers, but also prevents an unnecessary technician visit and the possibility of an incorrect call out charge. You have already checked these when you called previously, but to make sure a simple fix hasn't been missed, please take a look at this link for the things we look for: http://crowdsupport.telstra.com.au/t5/General-Internet-KB/How-to-perform-an-Isolation-Test/ta-p/5501... In some circumstances, applying a line profile can provide more stability on the network. This next link provides information on how this works and how customers can manage this setting. This is mainly used for customers experiencing disconnections, however in some cases can also improve speed if the issue is caused by packet loss. https://go.telstra.com.au/helpandsupport/-/adsl-line-profiles [Note: after logging in, some customers will be redirected to My Account and need to perform the following steps to then select Account Services then My BigPond from the menu located at the top right of the page.] If you are connected to your modem via WiFi, then this is also an area where speed can be lost. This WiFi Troubleshooting link may be helpful: http://crowdsupport.telstra.com.au/t5/General-Internet-KB/WiFi-Troubleshooting/ta-p/107516 If you have confirmed that the above has been done, and you would like for us to assist you further, please provide your contact and account details via the online form that I will send via private message. Please allow up to 5 business days for a response as we respond to each one in the order that it was submitted. - Shelly Wow. Thanks Shelly. I could all do that, but given I have been onto this issue for years on end, and Telstra have freely admitted that their infrastucture is inadequate of delivery their own quoted minimum speeds, I think you are being completely unreasonable.I can understand that getting cutomers to do your work for you is better for you economically, and that using your own staff and technichians would cut into your profits, reported to be 3.8 Billion last year, I get that, I'm in business too, but we have a contract, you and I, and I'm fulfilling my part of that contract and you are not.My part says that I will pay you. Your part says that you will deliver a service.So as I see it, and I'm not a comercial contract lawyer, perhaps you are, maybe "Ira" from billing is, who knows, but as I see it you have a responsibility to either A: upgrade the service - we both know that is not going to happen, because I have been informed by Telstra directly that no upgrade is scheduled, and I followed the link you sent me to report/backhaul-upgrade.xls to a blank document that I couldn't make sense of, or B: change the contract and charge me far less. I propose that you charge me on a pro rata basis. If you deliver 25% speed, I pay 25% fee. You must understand here, I'm not proposing that upgrade a DSLAM and/or that you dig a trench and lay a fancy new cable to my house just so that I cmay enjoy a first world luxury, Im not saying that. What I am saying is that we have a billing issue.How do you see it?John.

What is the mbps speed of AirPort Extreme?

What is the MBPS speed of the AirPort Extreme 5th Generation?

Ethernet....1,000 Mbps
Wireless....up to 450 Mbps
But, your Internet connection will be no faster than what your service plan provides to you....probably something in the 10 to 20 Mbps range more or less.

What is the average speed for the fans? Mine seem really slow.

What is the average speed for the fans in a MacBook Pro? When my computer is fairly idle, like right now, the fans are at roughly 1000 rpm each. Is that normal? I have seen posts where the fans are 2500-5000 rpm, so mine seem a bit low. That may explain why my computer has been getting hotter more quickly lately - this started happening after Apple replaced my logic board a few days ago.

I installed smcFanControl2 and according to that program, Apple's defaults are 2,000RPMs and the program will not let you set it any lower than that because of the increased risk of damage.
My fans are always at 2,000RPMs during normal usage, and then once I fire up a DVD or Photoshop it usually goes up to the 3,000s or so.

What is the transfer rate of the ata interface in hp pavillion g4-1117dx

I am looking at replacing hdd for my hp pavillion g4-1117dx with a ssd. I would like to know if the existing hdd interface copes with ssd's transfer rate at 6G? Thanks
This question was solved.
View Solution.

Ken.
If you have an Intel CPU this would apply to you.
DMI 2.0, introduced in 2011, doubles the transfer rate to 20 Gbit/s with a ×4 link. It is used to link an Intel CPU with the Intel Platform Controller Hub (PCH), which supersedes the historic northbridge/southbridge implementation.[2]:14
DMI 3.0, promising speeds of up to 8 GT/s, will be used by two-chip variants of the upcoming Intel Skylake microprocessors, which will be used in conjunction with Intel 100 Series chipsets; some variants of Skylake will have the PCH integrated onto the die effectively following a system-on-chip (SoC) design layout.[3]
http://en.wikipedia.org/wiki/Southbridge_(computing)
http://en.wikipedia.org/wiki/Direct_Media_Interface
6G transfer rate would be no problem.
REO
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What is the actual speed at which the time capsule router can transmit?

I am consistently getting only 40% of the speed of my ISP when I use wireless via my time capsule vrs a direct connection to the isp modem. I would just like to know how fast the wireless can transmit? Is it the bottleneck, something else I should be doing, etc.?????

Welcome to the discussions!
The speed of your wireless network will depend on a number of interrelated factors. Some of them are:
1) How close your computer is to the wireless router
2) How many obstructions, walls, ceilings, etc there are between the computer and the wireless router
3) Wireless interference from cordless phones (could be your neighbors'), wireless security systems and other wireless networks near you in addition to a multitude of other possibilities listed in this Apple Support Document.
4) Alignment of the moon and planets
At 5 GHz, the Time Capsule can transmit a signal close to 300 Mbps and at 2.4 GHz, the Time Capsule can transmit a signal close to 130 Mbps
Hold down the option key on your computer while you click on the fan shaped Airport icon at the top of the screen. Look for the Transmit Rate number. That is the theoretical speed at which your current connection is capable of operating. This number will change depending on the location of the computer in relation to the router. What are some of the Transmit Rate numbers that you see?

Checking the transfer speed?

I am using an Extreme connected to a hard drive to share files.
1. How can I check the speed transfer rate of my Extreme?
Thanks.

neptune2000 wrote:
rick.pearl wrote:
I am using an Extreme connected to a hard drive to share files.
1. How can I check the speed transfer rate of my Extreme?
Open Airport Utility, Advanced, Logs & Statistics, Wireless Clients, Rate.
Now, if you are looking at "disk" transfer speeds, download Xbench:
http://www.xbench.com/

What is the HDD speed on Satellite P200-155?

Hello,
I am interesting on Satellite P200-155 or Satellite P200-143, but I don't know Hard drive speed.
What is Hard drive speed in this models? 4200rpm or 5400rpm?
Thanks
PS: Sorry for my English :)

Hi
The P200 series is very new and as far as I know since several weeks on the market.
Such new generation notebooks use a newest HDDs!
After a long investigation on several internet sites I found out that this notebook was delivered with a 160GB 5400rpm SATA HDD!
Hope I could helps ;)
adis ;)

What is the recording speed of Captivate

My firm make a realtime image processing software that
display the digital output of a camera within a window of our
software application. I am curious about the speed at which I can
capture screens so that my software demo mimics the realtime
display of our cameras in our software application.
Anyone who has any knowledge about this please post a
response.
Thank you,
Infraredguru

Hi Infraredguru,
The default speed is 30 fps (if I understand the question).
It can be changed by the user at "Movie > Preferences >
Preferences". If you are talking about the full-motion capture
rate, that can be changed in the "Options > Recording Options"
dialog, but only by turning the hardware acceleration on or off.
I hope this helps - if I've missed the point, feel free to
restate the question so we can try again. ;^)

Sony core i7 What's the memory speed?

I'm looking at the new Sony Model: VPCF115FM/B | SKU: 9705382 listed at BestBuy. Does anyone know the memory speed?

133 MHz
de omnibus dubitandum

Performance - Threads - Sys Resources = What's the CPU Speed n RAM ?

Hi all,
I am writing a small program based on quick port scanning (pure Java). For that purpose I'm using threads to make the connections. I am using multiple threads in parallel. While running 64 threads theres a 10% CPU usage whereas on 128 threads theres a 60% usage (On AMD 500 Mhz).
Now obviously I dont want anybody with a 233 Mhz running my program with 128 threads and surely not the one with 1 Ghz being limited to only 128 threads. Thats why I need to find out the clients resources like CPU speed, total RAM etc. How do I do that ?
Someone suggested using JNDI for windows registry. I'm not sure how to do it that way. (if anyone can provide me a little code?) Is there another way round to this problem?
Any help appreciated.

My friend
please try to understand the problem here is not of OPTIMIZATION OF THREAD SERVICES but the OPTIMAL NUMBER OF THREADS TO BE USED at certain processor speeds.
fine I agree about different performances of processors (pentium 1Ghz != AMD 1Ghz)
but surely (pentium 1Ghz ~ AMD 1Ghz ~ other 1Ghz).
and anyway in my program I'm taking the performance margins by 200Mhz to be on the safer side
i.e.
x1-x2 no of threads for say 300-500Mhz,
y1-y2 no of threads for 500-700Mhz,
z1-z2 no of threads for 700-1Ghz. Get the point.?
Heres an incomplete example of my prog (if now anyone can make out a fair idea of the problem) :
import java.net.*;
import java.io.*;
class QuickPortScan
public static void main(String args[])
long tstart,tend;
ScanThread scant=null;
String name=null,ok=null;
/* int tnum; This is the number of threads I want to calculate */
System.out.println(" Quick Port Scanner BLAH BLAH BLAH!");
System.out.print("-------------------BLAH BLAH BLAH!--------------\nEnter 'y' To Proceed: ");
try{
ok = new BufferedReader(new
InputStreamReader(System.in)).readLine();
if(ok.equals("Y")||ok.equals("y")){}
else{ System.exit(0); }
     System.out.print("Enter The HOSTNAME: ");
     name = new BufferedReader(new
     InputStreamReader(System.in)).readLine();} catch(IOException e){}
     System.out.println("Scanning 65,535 Ports, Please Be Patient...\n");
/* Now I would like to get the CPU speed here somehow
and then calculate tnum and pass it as param below */
tstart = System.currentTimeMillis();
for(int i=1;i<=tnum;i++)
     scant = new ScanThread(name,i /* ,tnum */);
     scant.start();
try{ scant.join(); }
catch(InterruptedException ine){ System.out.println("Main Thread Interrupted!"); }
     tend = System.currentTimeMillis();
     double ttaken = (tend-tstart)/1000;
     if(ttaken>59)
     System.out.println("Total Time Taken For Scan: "+(ttaken/60)+" minutes.");
     else System.out.println("Total Time Taken For Scan: "+ttaken+" seconds.");
} //END QuickPortScan class
class ScanThread extends Thread
String name;
int port,tno;
/* int nloop; This is the number of sleep-break loops calculated according to number of threads */
Socket sock;
static boolean scanFirst = true;
boolean breakOut = false,breakIn = false;
public ScanThread(String nm,int i /* ,int j */)
     name = nm;
     port = i;
     tno = i;
/* nloop = (j * whatever + whenever - together); */
public void run()
     for(int round1=1;round1<=32 /*nloop otherwise*/;round1++)
     if(breakOut==true){ break; }
     for(int round2=1;round2<=32;round2++)
try{
/* SOCKET
CONNECTION
IMPLEMENTATION */
     }     try{sleep(75);}catch(InterruptedException ie){}
public synchronized void portInc(int open)
     if(open==1){System.out.println("Port "+port+" Vulnerable!, Scanning...");}
     if(port==16384){System.out.println("25% Completed, Scanning Further...");}
     else if(port==32768){System.out.println("50% Completed, Scanning Further...");}
     else if(port==49152){System.out.println("75% Completed, Scanning Further...");}
     port = port + nt; // nt is the NUMBER OF THREADS
     if(port>=65536){if(scanFirst==true){System.out.println("*****SCAN COMPLETE!*****");
     scanFirst=false;} breakOut=true; breakIn=true;}
} // END ScanThread class

What is the bus speed of the SCXI 1001 chassis?

I'm trying to locate the bus speed for the SCXI 1001 chassis for use in accelerometer data acq.

Normally for a 12 bit DAQ device the maximum sampling rate of a SCXI chassis is 333 kS/s. There are several factors that affect this such as number of channels, DAQ device, number of chassis, etc. Here is a link that contains some additional information.
http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/410a70c25a4d12b486256a1e0070bdae?OpenDocument
I hope this helps.
Joshua

HT204350 What is the transfer speed?

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