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PCIe to NVMe Adapters - cheap vs expensive

a6RL3psugX

5 months ago

There's quite a big range in price of PCIe to NVMe adapters. What should I be careful to avoid?

I think I'm going to buy this as it's cheap and seems to fit my requirements https://www.amazon.co.uk/dp/B079546NPR

The drive I'll be using is a Samsung - 960 EVO 250 GB M.2-2280 - it's currently in the M.2 motherboard slot and used as my system drive, which I plan to upgrade and will now use this for secondary storage (probably VMs).

My motherboard is MSI B250M MORTAR Micro ATX LGA1151 - it has 2 free x16 and 2 x1 slots (I use integrated graphics).

I've noticed that the adapter I plan to purchase uses an x16 connector whereas some others only use x4. Does this matter?

I don't think I need to use the rear expansion slot to physically secure the card?

I don't wish to use any wires, including any activity indicator LEDs or SATA cables (I gather these are only for B key drives anyway)

tia

Comments

  • 5 months ago
  • 1 point

NVMe is basically a native PCIe protocol, so there's no particular reason for a PCIe to NVMe m.2 adaptor to be expensive, unless it's driving multiple SSD's. In the latter case, the card is probably incorporating a PCIe switch chip, and those are pricey. A single m.2 to PCIe card should be cheap, on the order of $20 or so, and if it's a lot more I would want to wonder why. (Perhaps it's a PCIe to SATA m.2 card, which involves a SATA controller as well as an m.2 socket.)

  • 5 months ago
  • 1 point

Thanks for the reassurance. The reason I wanted to check was that I was reluctant to use an unfamiliar brand but the only one I recognised on Amazon was this from Startech at £25 ($32) https://www.amazon.co.uk/dp/B01FU9JS94

As you've pointed out, this seems quite high for a relatively simple adapter.

However I've now found this from Silverstone at £10 ($13 USD) which looks like it will do the trick https://www.amazon.co.uk/dp/B07MJT3H7G/

Thanks again

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