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Subject: Daytrading PC
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j_V Dec 23, 2012 12:45 PM Reply | Bookmark
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I am looking to build a daytrading computer by using some of my old components.

I currently have:
proc: AMD Phenom™ II X4 955 Black Edition 3.2GHz
mobo: Asus M5A97
Ram: GSKILL Ripjaws X Series 8GB PC3-12800 Dual Channel DDR3
PSU: Antec Basiq BP550 Plus 550W
old alienware case and dvd/cd drive.

I am looking to run 4x 22" monitors (looking to be 1080p res.) so I will need 2 videocards for which is was looking at the 6670 or 7750 series. Would the 6670s be fine? what about the PSU will it be strong enough to power both?

For a hard drive I believe a 128gb SSD will suffice, are there any preffered brands? (It seems the Crucial M4 gets favourable reviews)

Because of the high amount of programs and charts that will be open at once I will most likely add another 8gb of ram as well.
Sorry for the amount of questions, but I haven't been able to keep up with all the tech lately.

Any insight is appreciated!

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death_hawk™ Dec 23, 2012 12:48 PM Reply | Bookmark
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I doubt daytrading software is 3D, so you could easily get away with dirt cheap cards (IE around the $30 mark)

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Wall Dec 23, 2012 12:56 PM Reply | Bookmark
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16 GB of RAM never hurts, if you can afford the extra $30 and your motherboard supports it (Your board will support up to 32 GB of RAM, so you could RAMDisk some stuff for security/speed)

That motherboard should be fine with 2 lowerish end video cards, I doubt you will be doing anything GPU Intensive. I am nervous about that PSU, just if it has enough connectors, and enough power to run those cards at the same time, with everything else. Any way you could upgrade it too a 750-850W? This would give you more then enough headroom, and would last your next couple of computers.

Have you thought about monitor mounts? So that you can run them in 2x2?

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j_V Dec 23, 2012 01:16 PM Reply | Bookmark
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Thanks for the pointers so far.

My choice for the video cards was based on recomendations by fellow traders and my broker to get a video card with plenty of high speed ram. the 6670 series was the cheapest I could find with 1gb/ddr5 combo for ATI cards.

I also noticed the 6670 is a PCI-E 2.1 were as my mobo is only PCI-2.0 will this be an issue?

I would have no problem upgrading the PSU and I already have a monitor mount for up to 4 24" monitors.

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NaX© Dec 23, 2012 01:31 PM Reply | Bookmark
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i run a pretty decent system with ramdisk on 16GB (and that is using the ramdisk for adobe temp and running vmare workstation)
for day trading even 4GB is good enough

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Wall Dec 23, 2012 03:30 PM Reply | Bookmark
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With 8 GB Kits going for what? Around $40, and I just picked up a 16gb Kingston kit a few weeks ago for $70 (And they are sometimes cheaper). RAM is cheap as chips these days, and it never hurts to have too much RAM, remember a while back the whole "2 GB of RAM is MORE then enough for anything you ever want to do, 4 GB is just overkill...." now I would not build a machine with less then 8 GB, specially if I want to have a whole bunch of windows continuously open.

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NaX© Dec 23, 2012 03:47 PM Reply | Bookmark
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having a bunch of windows open is a surefire way of running out of memory

that is why i limit the number of windows that I have open when I have a couple virtual OS's running, working with photoshop, and having a video encoding - all occurring at the same time

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AEO Dec 23, 2012 03:54 PM Reply | Bookmark
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A key thing to consider is... "How will the owner use their computer", not "This is plenty for MY needs, so it should be for everyone else".

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Wall Dec 23, 2012 04:00 PM Reply | Bookmark
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I personally usually have Chrome consuming ~2GB of RAM alone, with the tabs I have open, across multiple instances of chrome open. This is more for quick referencing product specs for work, plus my own personal windows open for many different things. My main desktop also only has 16 GB of RAM (The max for my P55 board), and I do tend to have to start closing stuff, and prioritising what I need open.

Never hurts to have more RAM, but a year down the road it may be a PITA to buy all new sticks for higher density, even just getting 2x 8GB sticks now, then adding 2 more down the road if need be. Without knowing the programs the OP will be using, I can assume with 4 monitors he plans on running quite a few windows at one time, the extra cost is negligible at best.

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Cemel Dec 23, 2012 04:20 PM Reply | Bookmark
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I've run metatrader with charts up the yingyang and it never consumed more then 2GB of ram.

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j_V Dec 23, 2012 06:54 PM Reply | Bookmark
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I am using Interactive brokers (Stocks and forex platform) and Think or Swim at the moment. With both platforms open on 1 screen and my usuals such as, chrome and email in the background I am consuming over 4gb. I may not need the 16gb but i rather spend the $30 just in case to avoid the cost of having a freeze up in the middle of a trade.

Anyone have any insight on the SSD? will the Crucial suit my needs or is there a better alternative around that price point?

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Comfortably Numb Dec 23, 2012 07:11 PM Reply | Bookmark
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I'm gonna' say yes, if only because of its established track record. Sure there are newer drives with a little better performance, but you're not going to notice it. The memory upgrade and a ramdrive that's properly set up to cache program and temp data will do more for you, although I'm not familiar with the software you're using and whether or not it will allow the use of a scratch drive. At the very least it'll help with browser functionality.

If you're trading serious money, you might want to also consider a decent UPS. Security and reliability should probably be a primary concern, you really don't want to get left high and dry with an open position if the power goes out and borks your system.

Edit: Typo.

This message was modified by the poster at 12 23, 2012 07:19 PM

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NaX© Dec 24, 2012 10:09 AM Reply | Bookmark
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missed the sarcasm

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Greg * Dec 24, 2012 10:41 AM Reply | Bookmark
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I have to agree with Wall. At the moment, the price of a 16GB RAM kit makes it worth recommending over an 8GB kit these days.

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