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Guru3D Rig of the Month - September 2019
Gigabyte releases PCIe Add-in cards that house four M2 SSDs
Gigabyte released the "CMT 4034" and "CMT 4032" PCIe Add-in cards that hold up to four M2 SSDs. Quite handy if you like to use just one PCIe slot and multiple M.2. SSD storage devices.
Basically, you can place four M2 SSDs. That way you can utilize and occupy just one PCIe slot, which is tied to a PCIe 3.0 x8 lanes for one model, the other can make use of an x16 PCIe Gen 3.0 slot for full bandwidth. These are low profile cards, definitely intended to be added into a server. Both cards come with metal heat spreaders. Keep in mind, your motherboard needs be able to split PCIe ports, to split an existing 16x lane or 32x lane to 8x/8x or 16x/16x and likewise. This can only be achieved with a supported BIOS if you want to split an existing lane.
Pricing was not announced.
- Low profile form factor
- Supports up to 2 x PCIe Gen3 x4 M.2 SSD drives
- Type 2280/22110 support
- PCIe x8 (Gen3 x8 or x16 bus)
- 150 x 68.9 mm
CMT4034 - Https://B2b.Gigabyte.Com/Accessory/CMT4034-rev-10
CMT4032 - Https://B2b.Gigabyte.Com/Accessory/CMT4032-rev-10
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cryohellinc
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#5562481 Posted on: 07/04/2018 09:38 AM
Handy little product for those with older mobo's too!
Handy little product for those with older mobo's too!
shamus21
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#5562486 Posted on: 07/04/2018 10:04 AM
Good idea gets over the problems with only 16 pcie lanes connected to the CPU on the z370/z390 ( 8 for GPU and 8 for the gigabyte duel m2`s ) and below and the crap DMI 3 bus limits. A very out dated Chipsets
Good idea gets over the problems with only 16 pcie lanes connected to the CPU on the z370/z390 ( 8 for GPU and 8 for the gigabyte duel m2`s ) and below and the crap DMI 3 bus limits. A very out dated Chipsets
RavenMaster
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#5562501 Posted on: 07/04/2018 11:04 AM
So do these work on any motherboard brand or just Gigabyte mobos?
So do these work on any motherboard brand or just Gigabyte mobos?
carcass
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#5562508 Posted on: 07/04/2018 11:36 AM
It seems that there's no controller on the card => need bifurcation support for mobo, most likely will not work on older ones.
It seems that there's no controller on the card => need bifurcation support for mobo, most likely will not work on older ones.
nosirrahx
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#5562562 Posted on: 07/04/2018 03:54 PM
These combined with 4 M.2-22110 905P SSDs would let you build one hell of a VROC 0 SSD. The 4KQ1T1 would be excellent and the sequential speed would be just about as much as you could draw from PCIe gen3X16 lanes.
I am glad that these are M.2-22110 compatible, the other 2 existing 4X4 cards are M.2-2280 max (I have the Asus one).
These combined with 4 M.2-22110 905P SSDs would let you build one hell of a VROC 0 SSD. The 4KQ1T1 would be excellent and the sequential speed would be just about as much as you could draw from PCIe gen3X16 lanes.
I am glad that these are M.2-22110 compatible, the other 2 existing 4X4 cards are M.2-2280 max (I have the Asus one).
nosirrahx
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#5562568 Posted on: 07/04/2018 04:10 PM
This is 4 900P SSDs in VROC 0 so performance would be a bit better for 4 905P.
My current setup uses 4 M.2 -> U.2 cables and takes up a lot of space, this new card would be a far better solution.
This is 4 900P SSDs in VROC 0 so performance would be a bit better for 4 905P.
My current setup uses 4 M.2 -> U.2 cables and takes up a lot of space, this new card would be a far better solution.
tunejunky
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#5562596 Posted on: 07/04/2018 05:46 PM
a bit late to the game and as Carcass pointed out, no controller. even so, good on you Gigabyte.
these pcie cards are awesome and keep matx and atx viable in the modern workplace. i'm not talking niche role (i.e. multi-gpu workstation), i'm talking big picture.
the one i have (generic Chinese) has a machined aluminum heatsink and double sided slots 1/2 height...$25 and a controller...
a bit late to the game and as Carcass pointed out, no controller. even so, good on you Gigabyte.
these pcie cards are awesome and keep matx and atx viable in the modern workplace. i'm not talking niche role (i.e. multi-gpu workstation), i'm talking big picture.
the one i have (generic Chinese) has a machined aluminum heatsink and double sided slots 1/2 height...$25 and a controller...
Mufflore
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#5562801 Posted on: 07/05/2018 02:26 PM
They get too hot to fit back to back unfortunately.
Now if it had a drop down heatsink ...
More effort should be put into the cooling imo.
Lots of M2 drives in close proximity isnt clever.
They will not only wear out faster but lose performance when throttling.
If they added 1/2 size version... Length is OK, but it is bit too tall for small case. Variant where one M.2 would be on each side of PCB would be welcome too.
They get too hot to fit back to back unfortunately.
Now if it had a drop down heatsink ...
More effort should be put into the cooling imo.
Lots of M2 drives in close proximity isnt clever.
They will not only wear out faster but lose performance when throttling.
Fox2232
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#5562814 Posted on: 07/05/2018 03:18 PM
They get too hot to fit back to back unfortunately.
Now if it had a drop down heatsink ...
More effort should be put into the cooling imo.
Lots of M2 drives in close proximity isnt clever.
They will not only wear out faster but lose performance when throttling.
I do not think 2 sided placement can be worse than 4x M.2 on 2 PCBs on each other. I am sure there is no airflow for M.2 drives in between those PCBs.
They get too hot to fit back to back unfortunately.
Now if it had a drop down heatsink ...
More effort should be put into the cooling imo.
Lots of M2 drives in close proximity isnt clever.
They will not only wear out faster but lose performance when throttling.
I do not think 2 sided placement can be worse than 4x M.2 on 2 PCBs on each other. I am sure there is no airflow for M.2 drives in between those PCBs.
tunejunky
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#5562844 Posted on: 07/05/2018 04:27 PM
They get too hot to fit back to back unfortunately.
Now if it had a drop down heatsink ...
More effort should be put into the cooling imo.
Lots of M2 drives in close proximity isnt clever.
They will not only wear out faster but lose performance when throttling.
i've had a pair of WD Black 512Gb M.2 back to back on a pcie card for a year now. no problem whatsoever, but then my adapter has heat-sinks on each side. the M.2 stays about 5 degrees celsius above ambient case temps. and like a veteran my case has ample airflow.
without those precautions / thoughts you're right. but done properly, not so much.
They get too hot to fit back to back unfortunately.
Now if it had a drop down heatsink ...
More effort should be put into the cooling imo.
Lots of M2 drives in close proximity isnt clever.
They will not only wear out faster but lose performance when throttling.
i've had a pair of WD Black 512Gb M.2 back to back on a pcie card for a year now. no problem whatsoever, but then my adapter has heat-sinks on each side. the M.2 stays about 5 degrees celsius above ambient case temps. and like a veteran my case has ample airflow.
without those precautions / thoughts you're right. but done properly, not so much.
Mufflore
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Posts: 11284
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#5562882 Posted on: 07/05/2018 06:05 PM
i've had a pair of WD Black 512Gb M.2 back to back on a pcie card for a year now. no problem whatsoever, but then my adapter has heat-sinks on each side. the M.2 stays about 5 degrees celsius above ambient case temps. and like a veteran my case has ample airflow.
without those precautions / thoughts you're right. but done properly, not so much.
Yeah, my point was these new ones dont come with heatsinks and they need to.
They only have a flat plate which may help a single drive but will barely make a difference with 2 drives under it and when back to back with another pair I wouldnt want to use it.
This assumes that plate contacts the drives otherwise it is worse!
M2 drives should have heatsinks.
i've had a pair of WD Black 512Gb M.2 back to back on a pcie card for a year now. no problem whatsoever, but then my adapter has heat-sinks on each side. the M.2 stays about 5 degrees celsius above ambient case temps. and like a veteran my case has ample airflow.
without those precautions / thoughts you're right. but done properly, not so much.
Yeah, my point was these new ones dont come with heatsinks and they need to.
They only have a flat plate which may help a single drive but will barely make a difference with 2 drives under it and when back to back with another pair I wouldnt want to use it.
This assumes that plate contacts the drives otherwise it is worse!
M2 drives should have heatsinks.
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If they added 1/2 size version... Length is OK, but it is bit too tall for small case. Variant where one M.2 would be on each side of PCB would be welcome too.
And it would likely be smarter (cheaper) design than that 4x M.2 double decker. And that's why we need more or faster PCIe lanes... (Faster preferred as it is cheaper.)