Corsair Obsidian 800D

Do-it-yourself and user modifications...
Izerous
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Corsair Obsidian 800D

Postby Izerous » Wed Nov 18, 2009 10:17 pm

It arrived today, won't be moving things over for a bit as I have a few mods and changes in mind. The case is not perfect there are a few things that I'll need to change. Was originally after a MM Extended Ascension and finally convinced my shorter half to go a head with it without argument. However being less than half price after shipping and customs it does meet a lot of my requirements that I was after. It is not perfect for me but I can also put in close to $300 worth of modifications and tweaks and still spend less than the MM case was going to cost me.

Just some notes about the case...

Not only did they remove the need for thumbscrews however they also removed them all together. Thus my external 3x120 is no longer mountable with it's current mounting hardware. I do however plan on replacing it with an internally mounted 1x120 rad in the bottom, which i dry fitted a copper one I have laying around so there is room while doing a dry fit however I plan on ordering a aluminum one so I don't need to swap out the 3x120 I'll still have on the top.

Rear grommets, for hosing they have some in the top but looking over clearances for those with the Koolance PSU's that are not standalones I believe there is just enough clearance to put 2 holes for 10mm hosing right above the PSU and route it into the bottom.

My main issue with my PC2-901 which has treated me really well over the years has been it's length. It just simply doesn't have any room to accommodate cards longer than 8800's and PSU as long as the 1200KW are crammed right against items put in the drive bays. The 800D is about 3in bit shorter but is a full 1in wider and 6 in longer making up for the room where the PC2-901 is lacking.

Even though they don't have the top cut for it with ow they did the power button and used that top bay a 4x120 looks like it will fit with minimal effort besides cutting the top open wider. EDIT: If you use a EHX

Only other thing to note is I'll be looking into some kind of locking mechanism for the hot swap drives as it would suck to be at a LAN party and have someone walk off with a drive or 4 if someone wasn't there. I already have something in mind but without any LAN party planned for anytime soon will be a bit before I start on that.

After I get my next shipment of parts which I need to order soon now that I can take my own measurements, I'll be piecing it all together.

If anyone else has been curious about the case and would like measurements of certain areas or more detailed pictures of anything specific would be happy to do so for anyone, or I'll at least try.

Side note: Plan on putting in a 2-way mirror again but the window internally is ~400x440mm and the 2way sheets I have found is only 400x300mm making it way too small, if anyone knows of larger sheets would be appreciated.
Last edited by Izerous on Fri Nov 20, 2009 2:02 pm, edited 1 time in total.
Corsair 800D
2xPMP-450S > Amd FX8370 > Asus CH4-EX > AMD 6990 > AMD 6990 > 2x1080 rads > return
32GB Ram

Mik
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Re: Corsair Obsidian 800D

Postby Mik » Wed Nov 18, 2009 11:43 pm

Hi Izerous. I've been looking at this case too (a nice review here in case you're interested http://www.guru3d.com/article/corsair-o ... view-test/). I have an EVGA classified MB and would like to go to triple SLI plus PhsyX. This means 8 expansion slots as a two slot card must go in the bottom PCIe slot (#4), a single slot card goes directly above in #3 for PhysX. My otherwise brilliant PC5 1336 case can't accommodate that without modification (it has 7 slots). I understand the Obsidian has 7 slots too but there is a grille directly below the 7th slot and I was wondering it it will allow for a double height card to slide in behind it. Since the lower half of the card's end plate has airflow slots in it I reckon I will still get the airflow benefits provided there is clearance.
Hope you can help and looking forward to seeing pictures of your build.

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Re: Corsair Obsidian 800D

Postby newdigitalblue » Thu Nov 19, 2009 7:12 am

I would also like to hear just about everything you think of this case. I'll be buying it in the near future so any information would be good information for me and my future build.
CASE: Corsair Obsidian Series 800D
CPU: Intel Core i7-920 Bloomfield
MOBO: EVGA E758-A1 3-Way SLI
RAM: G.SKILL 6GB (3 x 2GB)
GFX: EVGA GeForce GTX 285 1GB 512-bit DDR3 X1
PSU: KINGWIN Mach 1 1000W

Izerous
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Re: Corsair Obsidian 800D

Postby Izerous » Thu Nov 19, 2009 4:26 pm

I have seen a video with double wides int he bottom slot however I have a game demo tonight. When I get home I'll try to remember to find the 8800 back panels and the air coolers I detached and get an actual measurement/picture of the clearance.
Corsair 800D
2xPMP-450S > Amd FX8370 > Asus CH4-EX > AMD 6990 > AMD 6990 > 2x1080 rads > return
32GB Ram

Izerous
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Re: Corsair Obsidian 800D

Postby Izerous » Thu Nov 19, 2009 10:24 pm

Could not find the actual brackets so I had to hold the cooler by had for about where it would be which was not 100% accurate, but even as is there was ~3/4" of space between the cooler and the bottom of the case. If I had the backet it probably would have sit up a bit higher so closer to 7/8"

Image
Corsair 800D
2xPMP-450S > Amd FX8370 > Asus CH4-EX > AMD 6990 > AMD 6990 > 2x1080 rads > return
32GB Ram

Mik
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Re: Corsair Obsidian 800D

Postby Mik » Fri Nov 20, 2009 8:44 pm

Thanks for the picture Izerous. Plenty of room to route tubing under there. Is the end plate of the card flush with the grille opening or would I have to remove it to seat the card properly?

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omegastitch
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Re: Corsair Obsidian 800D

Postby omegastitch » Fri Nov 20, 2009 11:07 pm

Izerous wrote:Side note: Plan on putting in a 2-way mirror again but the window internally is ~400x440mm and the 2way sheets I have found is only 400x300mm making it way too small, if anyone knows of larger sheets would be appreciated.


Here you go Izerous. 2-way mirror plexiglass. 1/8" or 1/4" in various sizes.
http://www.twowaymirrors.biz/
http://www.reflectionproducts.com/transparent-mirror.htm

fair warning, it is kinda pricey.
omegastitch

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Izerous
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Re: Corsair Obsidian 800D

Postby Izerous » Mon Nov 23, 2009 7:37 am

The grill opening isn't removable as it is essentially holes drilled into the back of the case which is flush with the back of the case itself not with the pci mounting brackets.
Corsair 800D
2xPMP-450S > Amd FX8370 > Asus CH4-EX > AMD 6990 > AMD 6990 > 2x1080 rads > return
32GB Ram

Mik
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Re: Corsair Obsidian 800D

Postby Mik » Mon Nov 23, 2009 8:46 pm

Thanks Izerous, that's what I needed to know.

Izerous
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Re: Corsair Obsidian 800D

Postby Izerous » Thu Dec 03, 2009 8:10 am

After modifying some mounting brackets to attach the 1x120 rad underneath to the 140mm fan. I then tried to put the PSU in place. There is not sufficient comfortable space with longer PSU's to attach a rad underneath. I measured the main section of the PSU for clearance but I forgot to take into account the cable lengths and the hoses in the front of my PSU. So for now until I come up with a more creative idea moved it into the main section.
Corsair 800D
2xPMP-450S > Amd FX8370 > Asus CH4-EX > AMD 6990 > AMD 6990 > 2x1080 rads > return
32GB Ram


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