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Desktop specs / TradingPC, video cards
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Desktop specs / TradingPC, video cards

  #31 (permalink)
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felixtjung View Post
I really don't know if graphic card will make your trading better. I think if you focus on trading computer, just make sure it got good CPU power, enough ram, enough harddisk, good enough graphic card to render chart (Even built in one will do an excellent job thesedays).

I am sure that a graphic card will make my trading better, because without one my monitors will remain dark. All suited workstations can be equipped with 2 low cost 2D graphics adapters and you can then connect 4 monitors, if need upgrade to 6 or 8. You cannot use a graphic chip on the motherboard to connect 4 monitors and the workstations do not have one.

I agree that CPU power is most important, as this is the bottleneck of my current equipment. Will take one of the better Xeon Quadcores and the cheapest graphics adapters which are certified for the workstations For all of them (Dell, HP or Lenovo) this seems to be the nVidia NVS 295 adapter. My current system runs on two NVS 285, and they do fine.

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  #32 (permalink)
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I have build many computers over the years for traders, and non-traders, and the last several I have build both Intel based and AMD based, I have been very pleased with the AMD based ones, 1 due to cost, and 2 due to performance, the AMD black edition is a 6 core CPU and can be over-clocked if you want to do so...

I agree with the Solid State drives, as it really speeds things up.

Having enough RAM in your system is a MUST, when you system starts paging (using your hard drive as RAM) things start slowing down...

Acronis is what I use to backup my computers, and storage to a NAS, using RAID 5.

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  #33 (permalink)
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Graphics cards is a interesting topic, I have used several of the ones listed in this forum, and like the ones listed, I have been sticking lately to ATI 2460 PCIE cards, they have been very good cards. As stated earlier in this thread, charting is a 2D function, price goes UP/DOWN/or sideways, so all the fancy 3D cards, that can do this that and the other, are just over-kill... Unless of course you are doing 3D charting....... or using your computer to play games on...

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  #34 (permalink)
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c12345 View Post
Graphics cards is a interesting topic, I have used several of the ones listed in this forum, and like the ones listed, I have been sticking lately to ATI 2460 PCIE cards, they have been very good cards. As stated earlier in this thread, charting is a 2D function, price goes UP/DOWN/or sideways, so all the fancy 3D cards, that can do this that and the other, are just over-kill... Unless of course you are doing 3D charting....... or using your computer to play games on...


Have you worked on the Radeon 5450 1gb with display port? If so, please let me know. I'm waiting for my power supply, 500w. I also found out that my socket 775 will support an Intel Q6700 quad core. So I would be able to upgrade my CPU.... If not, it's cool...no worries.

"Faith is the substance of things hoped for, the evidence of things not seen." --- "Therefore, I Believe it and I will see it. And every day and in every way, I am healthier, wealthier, and wiser."
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  #35 (permalink)
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That graphics card is for gaming...
Its a PCI Express X16 card, which is good, but in my humble I shy away from gaming cards and just stick to cards for 2D functions.

But if you are happy with it, and you got a good deal on it, then I am sure it will be fine for you.

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  #36 (permalink)
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c12345 View Post
That graphics card is for gaming...
Its a PCI Express X16 card, which is good, but in my humble I shy away from gaming cards and just stick to cards for 2D functions.

Well, all I have on my mother board are 2 pci slots and 1 pcie slot. I can't use 2 pcie video cards, so I can only use one video card and this is the only video card that will support 3 monitors.

Having said that, I would like to know if there's difference between using (1.vga to vga, 2.diplay port to vga, and 3.dvi to vga) or (1.vga to dvi, 2.diplay port to dvi, and 3.dvi to dvi)? ie. video card to monitor.

thx

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  #37 (permalink)
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rtrade View Post
Well, all I have on my mother board are 2 pci slots and 1 pcie slot. I can't use 2 pcie video cards, so I can only use one video card and this is the only video card that will support 3 monitors.

Having said that, I would like to know if there's difference between using (1.vga to vga, 2.diplay port to vga, and 3.dvi to vga) or (1.vga to dvi, 2.diplay port to dvi, and 3.dvi to dvi)? ie. video card to monitor.

thx

yea that use what you can use as far as your motherboard goes...

VGA - VGA connector - Wikipedia, the free encyclopedia

VGA on your graphics card to VGA on your display is fine, and will work. Display port is just a way to "cram" extra video ports onto a single card. Mostly with a dual video card, they will put 2 VGA outputs on a single card, but above that, and they use a display port and then typically a cable of some sort, to connect the VGA into.
DVA to VGA you have to be careful with this, as if you monitors are VGA and you are trying to send DVI digital signal to a VGA it wont work. If the graphics card supports VGA, and it has DVI output, perhaps using a converter than you are ok.

But before you buy, check the manufacture, and look to verify they support what monitors you are going to use.

The other differences, are just what the card offers on the output: if the card can do VGA then it can do VGA card out to VGA monitor in. If VGA/DVI out, then it can do either or, mostly they do this with a simple VGA to DVI adapter.

hopefully that answered your question if I understood it correctly/

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  #38 (permalink)
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Here are a few pics of the VGA to DVI adapters, and other ones:

Attached Thumbnails
Desktop specs / TradingPC, video cards-unnamed1.jpg   Desktop specs / TradingPC, video cards-unnamed.jpg  
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  #39 (permalink)
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VGA = analog signal transfer - OK for old screens with only VGA input

DVI = digital signal transfer -- best for new screens wich have this as input-option

HDMI = same as DVI (digital ) but HDMI has in addition a sound-transfer (for movies / TV iE)

max-td
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  #40 (permalink)
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Pay attention to the resolution, if you want to connect larger monitors


From a practical point of view, I assume that you want to connect 3 or 4 flatscreens.

-> Flatscreen prices have come down, so you might want to connect a few 30'' monitors and not a whole pack of 19"" screens

-> For those 30'' screens you would like to use a resolution of 2560 x 1600 pixels, you can reduce that resolution once you are older than 70 years.

Starting from here:

-> VGA is nonsense, converting a digital signal from your graphics adapter to an analog signal for transfer and then letting the monitor converting this back to digital does not make sense and reduces the quality.

-> Now, if you compare DisplayPort, DVI and HDMI, the main differences are the data transfer rates. For a resolution of 2560 x 1600 pixels, you would need

DVI: 6 lines -> 7.92 Gbyte/sec
HDMI: 3 lines -> 8.16 GByte/sec
DisplayPort: 2 lines -> 8.64 GByte/sec

However, as far as I know, there are only few 2560 x 1600 monitors that support HDMI, so HDMI will not be a choice that needs to be considered

-> To connect a 2560 X 1600 monitor via DVI you need a dual-link connection between graphics adapter and monitor. This requires that the graphics adapter supports dual-link. So to connect two monitors via DVI with a resolution of 2560 x 1600 you would need a graphics adapter with double dual-link capabilities. This is a question of the chipset used for the graphics adapter.

-> DisplayPort supports even higher resolutions. Also there is no problem to connect 30'' monitors with a 2560 x 1600 resolution. I come back to what I have written before:

Solution

Just buy two cheap nVidia NVS 295 (2D) graphics adapters. They sell about € 100,- per piece and come with 2 DisplayPorts each. Allows you to connect four 30'' monitors with 2560 x 1600 resolution. It is a passive card, so it will produce no noise.

If you only have one PCIe slot, you can use a graphics adapter, which has 4 DisplayPorts and will allow you to connect four 30'' monitors with a 2560 x 1600 resolution. For example you could select the nVidia NVS 450 card. This will cost you about twice as much as two of the smaller graphics adapters. NVS 450 is also a quiet, passive adapter.


Last edited by Fat Tails; December 10th, 2010 at 10:49 AM.
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