Best M.2 for 32 Gbps

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Spectre694
M.2 and U.2 are just different physical connections for the same electrical connection. There is no difference. There aren't really many choices for either at the moment. Samsung 950 pro for the M.2 and the Intel SSD for U.2.

No others shipping at the moment AFAIK
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M.2 and U.2 are just different physical connections for the same electrical connection. There is no difference. There aren't really many choices for either at the moment. Samsung 950 pro for the M.2 and the Intel SSD for U.2.

No others shipping at the moment AFAIK
 
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Solution

Is the Intel SSD faster than the 950 PRO?

 
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Intel's drive has better IOPS ratings but for desktop use they are basically functionally identical. Finding U.2 on the desktop is a bit harder though so sticking with M.2 makes slightly more sense in that respect. Plus you don't need a cable/adapter then.
 
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Do you have a good use for a super-expensive drive like this? While technically they're much faster than a standard SSD, you need some crazy intense workloads before any SSDs start showing the differences between each other.

An analogy I've used before is like getting a high end sports car. Sure it's technically faster than any normal car, and if you put both on a racetrack (like giving an SSD a super-intense workload), there's no doubt that the sports car will destroy cheaper competition. But if all you do is drive to work in traffic every day, you'll very rarely have a situation where that sports car can really put the foot down and show how fast it can be.

SSDs are the same. Those 950/Intel 750 units are super fast, but gaming desktops or even (most) high end workstations won't ever present them with the sort of workloads that allow them to show their performance.

It's your money, spend it where you like of course! And maybe you are one of the few people who run the kind of workloads that would benefit from those drives (do you boot a bunch of VMs simultaneously? Run an intensive IO database, etc?) But most people would be better off spending the money elsewhere, or getting a larger SATA SSD.
 
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rhysiam I like your response. Me also thinks about to upgrade from regular SSD to these super fast M.2 SSD (mainboard supports it). And I think you are right in what you tell. There isn't much I would benefit from doing this. For that money, someone for gaming or daily work could buy something else with better use.
 
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For M.2 there are literally only a few choices that are currently shipping (couple more announced but you can't buy them)
You can buy the Samsung 950 pro (faster) or the OEM Samsung 951 (slower) Toshiba has an OEM one as well (slower again) and the XG3 which should give the 950 a run for its money but you can't buy it yet.

Basically the fastest you can currently buy is the 950

EDIT: add there are some last gen choices but they cost the same and are slower so aren't worth looking at.
 
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I don't want fast, I just want something that's 32Gbps, because I don't want to waste my money on something too fast for my port!

 
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Your thinking about this too hard. You have a four lane port that is as fast as they get you can put anything you want in it. and it won't be as fast as the port.
 
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If you want an M.2 SSD, then the only way I would go would be Samsung 950 pro. 256 GB model is fast, the 512 GB model is even faster on writing. What is you budget btw.? And make sure that your board can boot up from M.2 devices. I am not sure, but I read about incompatibilities about this topic, either the boards fault or the M.2 fault beeing not bootable.

Please rethink about this (like me did, was about to buy too). Do you have any need for faster drives than regular SSD? Can you even use that speed in any form? In benchmarks these M.2 SSDs are looking cool, but on daily work or gaming you won't see any difference, maybe in loading games and apps 2 seconds faster. And they are not cheap! Use that money to get a better graphics card next time or get a bigger regular SSD or make your rig less noisy, buy a better monitor, a better mouse & keyboard or a really cool sound system. Or anything else, which could make your pc better in real world.
 
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You realise as well that there are plenty of M.2 SSDs running SATA which are priced basically the same as the standard 2.5" SATA drives. Sure they perform the same too, so you won't be getting the most out of the M.2 port as your original post requests, but you'll be getting a nice fast (and potentially large SSD) for much less money than you're looking at for premium PCIe devices like the Sammy 950 Pro or Intel 750.

As a point of comparison, here's a 500GB 850 EVO in the M.2 format for $158: http://www.newegg.com/Product/Product.aspx?Item=N82E16820147399&cm_re=850_evo_m2-_-20-147-399-_-Product
That's over $20 less than a 950 Pro at half the capacity: http://www.newegg.com/Product/Product.aspx?Item=N82E16820147466&cm_re=950_pro-_-20-147-466-_-Product

Sure the 950 Pro is theoretically faster, but read my post above, you're very unlikely to notice. I'd much rather a larger SSD (or cash left over if I don't need that much storage) than a superfast device with limited capacity and very high cost.
 
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This dude asking about the speed he will get .. he's looking for SSD that can deliver the full speed as the port speed with no excess.
So he's looking for the best value.

The max speed for your port is 32 Gigabit per second, the SAMSUNG 950 PRO SSD can deliver 17.6 Gigabit per second same as the U.2 17.6 Gb/sec.

The U.2 is an old style for getting the best solution for high speed tll M.2 have been improved .. so it's replace the U.2 style.

Maybe in the future the M.2 can achieve higher speeds that can be used on your mobo.
 
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That isn't correct. U.2 is a modified SAS connector that carries either PCIe 3.0 x2 or x4 exact same as M.2. Thus the max speed of either format is 32Gb/s or more than a drive in either format.

M.2 isn't the replacement for U.2 they have different use cases. M.2 is one or two SSD on a board whereas U.2 is more for enterprise use where you would want to hang several(half dozen or so) such 2.5 inch SSD's in a single system. It also allows for easier hotswaping. The possible performance advantages of U.2 are due to the form factor of the drive rather than the interface itself.

 
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