I would like to hear more about M.2 protocol.
Curiously I came up with essentially the same animal.
Simple research....aka Google.... and separating the BS from truth....
About the only issue I have [still] is Win 7's ignorance as to what a M.2 'drive' is....that makes the boot process a little hit-and-miss. [usually takes 2 or 3 hard boots to succeed]... but I'm lucky to ever need to reboot more frequently than once a month or so...[Windows update].
Thermaltake Level 10 VL300A9N1N Titanium Limited Edition Case [No.221]
Corsair ASX 1200I Platinum Certified 1200w Modular PSU
ASUS X99 Deluxe LGA2011v3 MotherBoard
Intel i7 5960x 3.00Ghz @3.50Ghz LGA2011v3 CPU
Noctua NH-D14 SE2011 LGA2011 CPU Cooler
32G Corsair Dominator Platinum [4x8G] 2666MHz DDR4 Ram
ASUS Strix GTX980 4GB GPU
512G Samsung XP941 M.2 PCIe x4 SSD
2 X 240G Corsair Neutron GTX SSD
1 X 3TB Western Digital Caviar Green Sata2 HD
2 X 2TB Western Digital Caviar Green Sata2 HD
Thermaltake eSports Level 10 M Hybrid Wireless/Wired Gaming Mouse
Windows 7 Ultimate 64bit.
Having a PSU and a GPU whose fans are almost never heard/running means it's darn quiet....and the 2mm thick aluminium [expensive] Case is its own heat-sink...
Thats a nice rig. You should 'ruin' it by migrating to Win10!!!
Posting this from M.2 interface.
What do you wanna know about it?
It's a slot in your mobo that you stick an SSD that looks like a small PCB in and forget about it.
Takes no space, no wires required, no direct cooling needed, noiseless
More expensive than a regular SSD.
P.S. No issues whatsoever.
i5-4690KGigabyte Z97MXMSI GTX 970 4GBNoctua Heatsink NH-D15SKingston HyperX FURY 16GB
Samsung EVO 500GB M.2 SSDbe quiet! 600WAeroCool DS-Cube White
So wait, I am kinda confused. So I go and get a Samsung EVO 850 SSD. Is that the kind of SSD they are refering to that will 'fit' into an M.2? Is there another type of SSD that is specific ONLY to that M.2 Slot?
The Samsung ECO M.2
My Samsung XP941...
The 'M.2' interface is the contact end on the right on mine...left on the other...
They are simply referred to as 'SSD's as they are exactly that...solid state drives... but look more like ram than hard drives.
The difference is these can 'hold a tune' when there's no power....but ram sticks cannot...
Thanks Jafo between what you posted and some research I figured out what we are talking about. Now a huge question...
Samsung is going to have 1 and 2 terrabyte versions of this type of storage. Lets shelve that for a minute...
Suppose I fork over the money and get a M.2 SSD with 512 gigs on it. I would put my OS and my 'primary' games on it. What would I need a 'cabled' SSD for if anything? I can see the use of a 2 or 3 Terrabyte platter drive for storage (porn, movies, pictures ..ect).
I see some builds with the M.2 interface..also a regular SSD (850 EVO), and a platter drive or two. What do you put on what?
In my case the M.2 drive is partitioned into 2...about equal size. One half has the OS, programs, page file etc. and the second half is mostly a flight sim [FSX] but also my Office Files.
Secondary SSDs were included to hold self-contained OS installs as backup in case the primary dies.
The Platter drives spin down until accessed and contain image backups, archives of photos/music etc.
M.2 is simply faster.
SATA is a dead end technology at this point, it's expensive to make it faster, M.2 is just direct through PCI-E, which has massively more bandwidth than a SATA III interface is capable of even at the old 1.0 standard thanks to scalable lane addition. I have a 951, it's sequential read is over 2GB/s, SATA III is only capable of around 600MB/s, the conceived SATA IV was dumped in favor of SATA Express, and would still only have doubled to about half the speed of current SSD technology.
SATA Express is probably a dead end as well. It's a huge plug because it's a frankenstein implementation. They're tying two SATA III ports and two PCI-E lanes together, complete with physically present SATA III outlets you can plug into. It's almost fast enough for modern drives because of the two PCI-E lanes, but even with that it's still only good for 2GB/s.
The M.2 interface is smaller, cheaper, and at present allows for twice that at x4. You can scale up, and PCI-E 4.0 is right around the corner with twice the bandwidth.
If you want a really fast drive, and they're expensive, you need the bandwidth of M.2 or U.2 NVME interfaces to support it. SATA III is dogmeat by comparison.
(they got their kepler and pascal mixed up)
it's not like they'll get rid of sata anytime soon, is it? hdd will still be in use, until big ssd is more economical. we've all read about those huge ssd drives that are coming. but i don't see them being cheap.
The history of computer hardware evolution is full of superceded drive technologies.
....and not just compact casette . Magnet drives will soon enough be on the endangered species list...
sure, but cost is a big factor though. they won't be obsolete in the short term, not until 2-4tb ssd cost about what 2-4tb hdd cost around now. especially since the industry has to cover itself on backward compatibility (all those hdd won't disappear)
It's not like it will simply dissappear in a year or two, but cost is why it will be gone even when it's still reasonable to utilize. PATA is still a useful technology for the modern disk drive bandwidth requirements. With a 64MB cache, the last PATA standard in PC's can burn through that cache in half a second, at which point the typical modern drive speed isn't as fast as the interface allows. It would be far from impractical to have UDMA ATA 200 by now, which would cover the fastest disk drives created. They got rid of it because it was pointless to keep supporting two standards. It's extra cost in the motherboard manufacturing, the drive manufacturing, you need to keep manufacturing two different cable types to connect them.
You can put a single lane out there for half a dozen disk drives with no one the wiser, it's much more economical than sticking drives on individual SATA ports. That wasn't economical from the start. We're essentially throwing away money on them, the only upside is that SATA cables and ports are cheaper than the old PATA stuff would be even with multiple devices running on a single ribbon.
It's entirely possible that we'll just end up using SATA ports over a PCI-E interface, but that means you're converting and converting is extra cost. It's far more economical to phase out SATA entirely over the next several years, and force people using legacy drives to buy adapters. You can run dozens of disk drives off a single X4 PCI-E slot, it's just not a big deal.
You'd have your fast stuff running off their own lane assignments, and slower physical drives running off multi-drive adapters that either stick with the existing SATA connection, or move to the cheaper PCB connection. The frankenstien implementation is already being utilized for the U.2 connector at present, it's the SATA Express plug with 4 lanes instead of 2, allowing for two legacy SATA devices to be plugged into it instead, but this plug is enormous. It's not a long term application you should expect to stick around, it's already wasting two thirds of the bandwidth the interface is capable of when you plug two SATA III drives into it.
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