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M900 Tower & SFF: Samsung M.2 NVMe SSD 960 970 - how to install, check throughput (PCIe card)

2017-02-07, 15:33 PM

Hello,

 

I have a M900 and an Samsung NVMe SSD 960 EVO M.2. On the Aminboard is a slot for a M.2 device. This is not the right one for the Samsung SSD. So I have bought an adapter (aqua computer - kyroM.2 PCIe 3.0 x4 NGFF PCIe SSD, M-Key mit Passivkühler). After installing (PCIeSlot 4x) and booting the SSD is not recognized in the BIOS and in Windows (10 Prof. 64Bit).

Where is the problem? Is the adapter wrong?

 

Mod:  edited the Subject line with a problem description

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Re: ThinkCentre M900 Desktop SamsungNVMe SSD 960 EVO M.2

2017-02-07, 16:26 PM

That card you ordered definitely is not right.

 

I think this StarTech PCIe card is more what you need.

 

Supports PCIe M.2 SSDs

The adapter supports PCIe 3.0 x4 NVMe (M Key) and PCIe-AHCI M.2 SSDs including 2242, 2260, 2280, and 22110 drives. The expansion slot adapter supports the most common drive sizes including 110 mm, 80 mm, 60 mm and 42 mm.

 

 

Here's another card that is also acceptable.

 

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Re: ThinkCentre M900 Desktop SamsungNVMe SSD 960 EVO M.2

2017-02-07, 16:33 PM

OK, thanks.

 

I buy the adapter. After the test I will post the result.

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Re: ThinkCentre M900 Desktop SamsungNVMe SSD 960 EVO M.2

2017-02-07, 16:34 PM

This thread may help getting it operational:   M900: how to boot from M.2 SSD (NVMe)

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Re: ThinkCentre M900 Desktop SamsungNVMe SSD 960 EVO M.2

2017-02-09, 13:32 PM

OK. I've get the adapter.

 

The good news:

the ssd works fine.I had cloned my SATA-SSD with Windows with the Samsung migration tool to the M.2-SSD. The system is booting without any problem. Thanks for that.

 

But is there something to optimize (?):

The adapter is for the PCIe 1x Slot. In the 16x Slot is the graphic-card, the 4x-Slot is free.

Now IO have rum the perfomance Benchmark in the samsung Magican software:

Seq. read MB/s: 898 / write: 768

random (IOPS): read: 211,896 / write: 170,293

 

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Re: ThinkCentre M900 Desktop SamsungNVMe SSD 960 EVO M.2

2017-02-09, 13:44 PM


The adapter is for the PCIe 1x Slot. In the 16x Slot is the graphic-card, the 4x-Slot is free.

 


It can use 4 channels.   Suggest moving it to the x4 slot.  

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Re: ThinkCentre M900 Desktop SamsungNVMe SSD 960 EVO M.2

2017-02-09, 13:49 PM

Yes, that's my plan. But the Adapter dosen't fit to the 4x-Slot.

 

If anyone has a link to the Plan of the mainboard, it will helps me.

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Re: ThinkCentre M900 Desktop SamsungNVMe SSD 960 EVO M.2

2017-02-09, 14:05 PM

Some questions can be answered with the 'Hardware Maintenance Manual' for your system, such as:   What expansion slots do I have?  And what ports, on the back and inside?   Installing memory.   Replacing the CMOS battery.   Adding a second drive.   How to recover from a failed BIOS update?   Go to the Lenovo Support page for your system, select the 'Documentation' tab, and 'Hardware Maintenance Manuals' on the left side. 

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Re: ThinkCentre M900 Desktop SamsungNVMe SSD 960 EVO M.2

2017-02-09, 14:58 PM

OK. In the manual I find for the slot in which the m.2-ssd is (page 34, No. 24):

PCI Express card slot (physical link width x16, negotiable link width x4, x1

 

This means, that the full speed must be able?

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Re: ThinkCentre M900 Desktop SamsungNVMe SSD 960 EVO M.2

2017-02-09, 15:19 PM

Yes.   Capable, but not must, it is negotiable.   From Wiki:

 

"The PCI Express link between two devices can consist of anywhere from one to 32 lanes. In a multi-lane link, the packet data is striped across lanes, and peak data throughput scales with the overall link width. The lane count is automatically negotiated during device initialization, and can be restricted by either endpoint. For example, a single-lane PCI Express (×1) card can be inserted into a multi-lane slot (×4, ×8, etc.), and the initialization cycle auto-negotiates the highest mutually supported lane count. The link can dynamically down-configure itself to use fewer lanes, providing a failure tolerance in case bad or unreliable lanes are present. The PCI Express standard defines slots and connectors for multiple widths: ×1, ×4, ×8, ×12, ×16 and ×32.[4]:4,5 This allows the PCI Express bus to serve both cost-sensitive applications where high throughput is not needed, as well as performance-critical applications such as 3D graphics, networking (10 Gigabit Ethernet or multiport Gigabit Ethernet), and enterprise storage (SAS or Fibre Channel)."

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