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Author Topic: MSI M.2 Xpander (Rev 1.1)  (Read 988 times)

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dava4444Topic starter

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MSI M.2 Xpander (Rev 1.1)
« on: 24-April-19, 03:31:53 »


Few weeks ago I bought a MSI Expander from a seller on ebay.

It's a standard piece of kit.. it takes 16 lanes and splits them into 4 x 4 for M.2 drives.
People buy these cars so they can increase the count of PCIE cards, especially when you have blocked slots, which are a total pain in the..
My PC is a HP Z600, dual X5650, 24GB of DDR3, GTX 1070.

So again today, this morning.. I tried again to get this working thing working.

No go.

IF it is the case.. and I now STRONGLY suspect this to be true, that the Xpander card will not work with my setup, I am thoroughly dischufffed with the notion of this artificial block.
My PC will do, x16 and 16x, PCIE 2.0.. so not in the least providing a driver.. is what I would call bunk.

Going on MSI's page for the Xpander does not tell me that they are incompatible.

I am left having blown over £100 on something that has wasted my money.

Save graphics cards.. I don't see why I should buy another MSI gaming product again. 
This M.2 PCIE merely only needs a driver. The QNAP QM2 I will buy one when I can.. but the being cold way of doing business, for the sake of a driver.
This card does not come with a S/N.
Ms 4454 ver 1.1


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Re: MSI M.2 Xpander (Rev 1.1)
« Reply #1 on: 24-April-19, 19:24:00 »


It is frustrating that the M.2 XPANDER did not work as you expected.

There is a reason that the M.2 XPANDER card is bundled with a certain motherboard.
Only motherboards supporting PCIE bifurcation (the ability to split the x16 lanes into 4x4 lanes) can fully take advantage of the M.2 XPANDER card.

dava4444Topic starter

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Re: MSI M.2 Xpander (Rev 1.1)
« Reply #2 on: 24-April-19, 23:26:06 »

Thanks for your reply  LBJistherealchamp

I understand what you are saying..  but again this could have been done with a simple driver.

I will put all the PCIE drives back into their adapter cards.. I will note though, when I had them in software raid, I was getting the same speeds are MSI stated they did on their instructional videos, even on PCIE 2.0.

For nothing more than interest.. have a look:

Here's another

Nothing fancy required, only the slots and cheap adapters.

I also had higher data amounts back then, but I switched some of my drives for higher capacities. I still have all four drives but only 3 slots.
Just chattin' LBJ.. but I have seen Drive Manuf. slow to a crawl over the last while, shocking we don't have multi layered cards on PCIE for much higher capacities, even 100 TB (at a slower data rate)

Anyhoo.. thanks for taking the time to answer.. even if to boost my morale slightly. You have a great day!


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Re: MSI M.2 Xpander (Rev 1.1)
« Reply #3 on: 25-April-19, 05:51:54 »

Unfortunately, this adapter can work only with motherboards supporting PCIe bifurcation: only those based on X299 and X399 can. Today, only the >>HighPoint SSD7101A-1<< adapter permit to use up to 4 NVMe drives with any system (having a 3.0 x16 PCIe slot available) because it includes the PLX8747 chip who does bifurcation (see >>AnandTech<<). But, this chipset is very expensive and explain the high final price: 400-450$ (see >>Here<<). As comparison, >>ASRock ULTRA QUAD M.2 CARD<< is an adapter without this chipset (so that it is limited to mobos able to do bifurcation) and its price is 100-150$ (see >>Here<<).
Have a good day,
:hat tip:
MSI X99A XPower Gaming Titanium (Bios 1.62)  –  Windows 7/10 (1903) Pro x64  –  i7-6850K + BeQuiet! Dark Rock Pro 3 + Corsair Vengeance LPX Series DDR4 3466MHz 4x16Go + MSI GeForce GTX 1070 Gaming X 8G + SSD Samsung, 1x 850 PRO 512GB (SATA) [Boot+OS drive] & 1x 970 PRO 1TB (NVMe) + HD SATAIII Seagate Barracuda, 7x 1TB & 1x 3TB + LG BR R/W + BeQuiet! Dark Power Pro 11 1000W 80PLUS Platinum +  BeQuiet! Dark Base Pro 900 + HyperX Alloy Elite keyboard + HyperX Pulsefire FPS mouse
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