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spencerm24  
#1 Posted : Wednesday, October 11, 2017 3:45:36 PM(UTC)
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I'm looking to build a system for vMix, and was hoping someone could point out any possible flaws I have not yet seen in my double and triple checking of the system. Any input is appreciated.

CASE: Norco RPC-432 https://www.newegg.ca/Pr...aspx?Item=2KH-0024-00001

MOTHERBOARD: Gigabyte Z270 https://www.newegg.ca/Pr...spx?Item=N82E16813128965

CPU: Intel i7700k https://www.newegg.ca/Pr...spx?Item=N82E16819117726

PSU: Corsair CS750M https://www.newegg.ca/Pr...U-_-17-139-061-_-Product

RAM: CORSAIR Vengeance LPX 32GB https://www.newegg.ca/Pr...spx?Item=N82E16820233866

GPU: EVGA GTX 1060 6GB https://www.newegg.ca/Pr...spx?Item=N82E16814127963

I/O: Blackmagic Decklink Quad 2

SSD: Samsung EVO 960 500gb M.2 https://www.newegg.ca/Pr...2-_-20-147-594-_-Product

AUDIO ASIO INTERFACE: Behringer UMC 1820 https://www.avshop.ca/re...ount-usb-audio-interface

CONTROL: Akai APC Mini https://www.avshop.ca/re...4OHDoEK3EuBoCzgEQAvD_BwE


Anything I'm missing/haven't thought of?
DWAM  
#2 Posted : Wednesday, October 11, 2017 5:12:52 PM(UTC)
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I think it's better to have several hard disks
- a small SSD for system only (120 or 240 GB)
- another one for projects data (SSD or not 240/500 GB)
- a large SSD for recordings 500/1000 GB

Guillaume
thanks 1 user thanked DWAM for this useful post.
spencerm24 on 10/14/2017(UTC)
Maximus  
#3 Posted : Wednesday, October 11, 2017 9:39:31 PM(UTC)
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I totally concur with Guillaume

Maximus
RobLambert  
#4 Posted : Thursday, October 12, 2017 8:55:22 AM(UTC)
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Guillaume and/or Maximus:

You guys are always right so i will be follouing your advice; but, for this one will you please explain the reasoning behind thhe recommendation.

Thanks

Rob
spencerm24  
#5 Posted : Saturday, October 14, 2017 9:28:01 AM(UTC)
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DWAM wrote:
I think it's better to have several hard disks
- a small SSD for system only (120 or 240 GB)
- another one for projects data (SSD or not 240/500 GB)
- a large SSD for recordings 500/1000 GB

Guillaume



Thanks, I have revised my system to include a 240GB SSD for system, and a 1TB for recordings. Am trying to get a 3rd SSD for projects.
RHSportable  
#6 Posted : Saturday, October 14, 2017 4:43:45 PM(UTC)
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Your GPU link goes to an MSI 1060 6GB and not the EVGA 1060 6GB you mentioned.

Are you planning to use replay?
spencerm24  
#7 Posted : Saturday, October 14, 2017 5:53:11 PM(UTC)
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RHSportable wrote:
Your GPU link goes to an MSI 1060 6GB and not the EVGA 1060 6GB you mentioned.

Are you planning to use replay?


I am hoping to have replay ability. I built this system off the reference system Ruby, which does have 4 camera replay, I may need a slightly larger than 500gb SSD though in order to get replay.
gt351  
#8 Posted : Tuesday, October 17, 2017 3:07:42 AM(UTC)
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CASE: Norco RPC-432 https://www.newegg.ca/Pr...aspx?Item=2KH-0024-00001

restricted airflow in that case
gt351  
#9 Posted : Tuesday, October 17, 2017 3:13:55 AM(UTC)
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DWAM wrote:
I think it's better to have several hard disks
- a small SSD for system only (120 or 240 GB)
- another one for projects data (SSD or not 240/500 GB)
- a large SSD for recordings 500/1000 GB

Guillaume


agree with a 240 GB SSD for operating system
and a 240 GB SSD for all of the vmix project data and instant replay
a 512 GB SSD for live recording
plus a hard drive for backing up recordings etc
mavik  
#10 Posted : Tuesday, October 17, 2017 4:17:41 PM(UTC)
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I would recommend taking a look at the CPU lanes. Most of the i7 only have 16 lanes. If you use a GPU with 16 lanes the PCIe bus is full. Adding a M2/PCIe HDD that uses 4 lanes as well could lead to some trouble or performance decreases.
I recommend a 2011 socket with a Xeon CPU. The Xeons have smaller frequencies but compensate it with more cores and do have more lanes available.
Just as a tip.
thanks 1 user thanked mavik for this useful post.
mjgraves on 10/17/2017(UTC)
spencerm24  
#11 Posted : Wednesday, October 18, 2017 9:33:25 AM(UTC)
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mavik wrote:
I would recommend taking a look at the CPU lanes. Most of the i7 only have 16 lanes. If you use a GPU with 16 lanes the PCIe bus is full. Adding a M2/PCIe HDD that uses 4 lanes as well could lead to some trouble or performance decreases.
I recommend a 2011 socket with a Xeon CPU. The Xeons have smaller frequencies but compensate it with more cores and do have more lanes available.
Just as a tip.



That was a worry of mine, the CPU Lanes, but then I question why the CPU is in the Ruby reference system page, which states compatability for up to 8 cameras and replay. Between the GPU and I/O capture card, the PCIe Lanes are full, but why is this system in the reference system then? The Production Bot Switch 8 system has the same CPU and an 8 I/O capability, so I'm not sure how this works.

RobLambert  
#12 Posted : Wednesday, October 18, 2017 12:22:57 PM(UTC)
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Spencerm24

The big bosses answered this question here https://forums.vmix.com/...aspx?g=posts&t=11946

I have wondered about that issue also. 8 lanes of PCIE 3.0 apparently provides nearly 8.0 gigabites per second of bandwidth.

Seems to me that more lanes is a good idea. Take this from a guy who still doesn't understand why multiple smaller M.2 drives is better than one big one!
nachojimenez  
#13 Posted : Thursday, October 19, 2017 3:02:47 PM(UTC)
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I'm a complete newbie in vMIx, in fact i'm just doing my first real production with it, and we've built a very similar system to yours.. Only noticeable difference:

Hard drives:

- 1x 250G for the system/titles/videos
- 1x 2TB 7200rpm for recordings.
- 1x 2TB SSD for instant replay.

Capture: Instead of the Quad 2 we decided for two Duo 2, because we did not want the hassle of the mini-din connectors.

As for the control system, we do have the AKAI APC40 Mk2 but we decided to include a 27' touchscreen, and it's really intuitive, If you dedicate some time to prepare the session beforehand you barely touch the keyboard or mouse during the live production.

I plan to write my impressions and upload some photos and videos of the production and build soon, once job is finished.

EDIT: Somebody commented on the limited airflow of a rack case. It was one of my main worries, since i live in a hot place and we work on very aggressive environments, so we decided for a liquid cooler for the CPU and a couple of 8mm fans on the back to push out the hot air of the 1060 and the capture cards. So far (4 days into an outdoor live production during a heat wave) and overheating has not been a problem

slb5146  
#14 Posted : Tuesday, November 14, 2017 11:03:11 PM(UTC)
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I want to build a very similar system but the only IO would be NDI. I want to use PTZoptics NDI cameras. Is it wise to only use NDI inputs for 3-4 cameras and vMix NDI Capture from a couple laptops? I have not seen anyone building a system without an SDI/HDMI input.
jscottr  
#15 Posted : Saturday, November 25, 2017 4:47:16 PM(UTC)
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I'm curious as well regarding an "all NDI" camera system.
sinc747  
#16 Posted : Sunday, November 26, 2017 12:18:23 AM(UTC)
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We build PC's running vMix frequently that have no capture cards where the client intends to either use all IP cameras or all NDI cameras. Typical limit for regular NDI is seven 1080p/30 video sources for one Gigabit network; about 100Mbps each. However, the current NDI cameras (NewTek and soon PTZ Optics) are NDI/HX which is a rather compressed version of NDI only requiring about 10Mbps per 1080p/30 video source.

So, yes, it has, can, and is being done.

- Tom
RobLambert  
#17 Posted : Sunday, November 26, 2017 4:07:31 PM(UTC)
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DWAM wrote:
I think it's better to have several hard disks
- a small SSD for system only (120 or 240 GB)
- another one for projects data (SSD or not 240/500 GB)
- a large SSD for recordings 500/1000 GB

Guillaume


Guys, it seems like everybody here agrees with Guillaume; however, I don't know why.

It sounds like
1) windows and all software goes on a small fast ssd
2) video and stuff for your show goes on another which does not need to be ssd; and,
3) the show and any other multicorder recordings goes on a larger drive which does not need to be ssd

And.....periodically the recordings are removed and backed up

Is that it in a nutshell?

It seems to me that the number two drive has the biggest load and if any is a ssd it should be that one.

Any explaination or help is appreciated.

Thanks

P.S. i am sure Guillaume is right even though i don't quite understand.

SportsNetUSA.net  
#18 Posted : Monday, November 27, 2017 1:48:44 AM(UTC)
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The drive for being used for recordings would have the a greater load placed on it than drive #2. SSD drives have been recommended for recording with vMix for awhile.
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