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Dual M.2 PCIe x8 Card? - Page 5

post #41 of 83
Quote:
Originally Posted by sethk View Post

and let you do 4GB/s read in software or mobo RAID 0 if you use 800GB nvme drives.

You can do the same with chipset raid controller. The target of this thread is an hardware controller directly connected to cpu and bootable.
post #42 of 83
Quote:
Originally Posted by ottoore View Post

You can do the same with chipset raid controller. The target of this thread is an hardware controller directly connected to cpu and bootable.

This is a hardware card with a PLX switch directly connected to the CPU and if your CPU could boot the drive directly, it should be able to boot it via this card. It's not an HBA RAID card for NVME, and re-reading the OP that doesn't seem to the be intent.
What this card lets you do is run more NVME drives (which use PCIe 4x) that your motherboard would otherwise allow. Use 4 of these card with 8 NVME drives for crazy BW (but with SW RAID). Most mobos are PCIe limited and these cards would let you increase the number of connected drives.

It sounds to me like you might be interested in hardware RAID - Avago bought Broadcom (and previously LSI) and is in the process of rebranding itself to Broadcom - Broadcom has a hardware RAID chip for NVME, very similar to the LSI SAS3xxx series except it supports NVME in addition to SAS and SATA. No board announcements yet though, possibly delayed because of the merger, but I expect that we will see Intel, Dell, HP and Supermicro branded cards with this controller (as well as Avago/Broadcom branded cards) that perform NVME RAID functions in hardware, which should boost throughput. The limit will still be 4-5 NVME drives per 16x slot before PCIe bandwidth limitations assert themselves, and going by history, I would guess $350-600 to start when new, since they are enterprise focused. Also, these cards will probably have U.2 connectors (or some kind of SFF/Infiniband breakout cable), not M.2 connectors.
post #43 of 83
Check this out.

http://www.serversdirect.com/Components/RAID__HBAs/id-NC0344/SUPERMICRO_AOC-SLG3-2E4_NVMe_AOC_CARD

This is the card with the PLX chip, yet is listed for about $150 instead of $250.

Too good to be true?
post #44 of 83
im interested in an adapter so i can plug in hardware raid for video editing like you guys have been discussing in this thread

I found the same adapter for similar price over here in UK for £ 132 which is about $170 so thats about right its definitely true i believe the $250 price was when it was released last year since it came out this time last year (may 2015) i believe.

If we go with this adapter will we have to use software raid 0?
post #45 of 83
Quote:
Originally Posted by louiebh View Post

im interested in an adapter so i can plug in hardware raid for video editing like you guys have been discussing in this thread

I found the same adapter for similar price over here in UK for £ 132 which is about $170 so thats about right its definitely true i believe the $250 price was when it was released last year since it came out this time last year (may 2015) i believe.

If we go with this adapter will we have to use software raid 0?

Yes, unfortunately it does require software RAID (or you can just use more drives, I suppose). See my prior post about the eventual hardware raid controllers from avago/broadcom and the expected prices. The supermicro card lets you connect 2 drives per PCIe slot, but it is not hardware RAID.
post #46 of 83
PCI Express (PCIe) x8 Gen 3 to four PCIe M.2 sockets docking system
http://www.ioi.com.tw/products/proddetail.aspx?CatID=106&DeviceID=3036&HostID=2067&ProdID=1060196
post #47 of 83
I wonder if ASUS will come out with a new version of RAIDR Express smile.gif
    
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post #48 of 83
Quote:
Originally Posted by MRCS44 View Post

PCI Express (PCIe) x8 Gen 3 to four PCIe M.2 sockets docking system
http://www.ioi.com.tw/products/proddetail.aspx?CatID=106&DeviceID=3036&HostID=2067&ProdID=1060196

Nice find, but that's not for quad NVMe setup. For that x8 Gen.3 is not enough as you need x16 slot to accommodate bandwidth of each x4 drive. This dock above is for AHCI SAS/SATA drives (SFF-8643 connector), while NVMe drives use SFF-8639.
post #49 of 83
"This PCIe x8 carrier board enables the use of one or two PCI Express based M.2 SSD modules for high-end data transmission and minimum system boot time."
https://www.msc-technologies.eu/fileadmin/documentpool/Support-Center/IndustrialMainboards/FujitsuD3348-B/01-Data_sheet/DS_D3352-A2_M.2-Carrier-Board.pdf
post #50 of 83
I'm looking for this kind of server:

It's from this article: http://www.thessdreview.com/flash-memory-summit-2016/seagate-displays-worlds-largest-60tb-sas-ssd-demos-xp7200-aic-10gbs/
Are there any servers with m.2 only storage solutions ? I can't find any.
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