Samsung starts mass producing PCIe SSDs for Ultrabooks

If you’re an SSD enthusiast, then Samsung has some great news for you. The Korean company has just put out a press release announcing that they have started mass production on their latest SSD series: the XP941.

The XP941 lineup consists of three versions coming in at 512, 256 and 128 GB of memory. So what’s so special about these? Instead of using classic SATA interfaces the new line uses PCIe which increases the disk’s read/write performance by a full order of magnitude when compared to classic HDDs.

The XP941 line will feature read performance of up to 1,400 MB/s which is close to 2.5 times faster than the fastest SATA SSDs.

PCIe-based SSDs are finally getting traction in the market thanks to their great performance and small size. Apple recently announced that their new Mac Pro will feature such an SSD and now Samsung is bringing them to lots of other notebooks and devices.

Of course, we’re all waiting for the other companies, such as Western Digital, to join this market and increase competition in order to drive prices down and further improve performance.

Source and Image: Samsung

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Great! Just bring this to the market, have laptops use a PCIe port! I can see my dream laptop taking shape, no CD/DVD ROM, No big bulky HDD/SSD, everything interchangeable, slim!

We do. SSDs max out at 550 MB/s read or write because that is the limit of SATA3 (theoretical limit of SATA3 is 600MB/s).

neufuse said,
I wish new motherboards would all have a pcie slot on them for people who wanted to use stuff like this...

i've seen mobile mainboards that used PCIe for WIFI cards, so if u don't mind removing those it could (at least in theory) use this new SSDs; probably gonna need a BIOS update thought.

Praetor said,

i've seen mobile mainboards that used PCIe for WIFI cards, so if u don't mind removing those it could (at least in theory) use this new SSDs; probably gonna need a BIOS update thought.

This doesn't work. Those use Mini-PCI-E slots. This is the new M.2 (NGFF) form factor. Laptops will be moving to this for both WiFi, SSDs, and datacards. It's a bit smaller than mini PCI-E/mSATA slots. It is either configured in SATA+2 PCI-E lanes or 4 PCI-E lanes vs 1 PCI-E lane and SATA in an mSATA slot or just 1x PCI-E in mPCI-E slots.

mrp04 said,

This doesn't work. Those use Mini-PCI-E slots. This is the new M.2 (NGFF) form factor. Laptops will be moving to this for both WiFi, SSDs, and datacards. It's a bit smaller than mini PCI-E/mSATA slots. It is either configured in SATA+2 PCI-E lanes or 4 PCI-E lanes vs 1 PCI-E lane and SATA in an mSATA slot or just 1x PCI-E in mPCI-E slots.

oh thanks for the info

mrp04 said,

This doesn't work. Those use Mini-PCI-E slots. This is the new M.2 (NGFF) form factor. Laptops will be moving to this for both WiFi, SSDs, and datacards. It's a bit smaller than mini PCI-E/mSATA slots. It is either configured in SATA+2 PCI-E lanes or 4 PCI-E lanes vs 1 PCI-E lane and SATA in an mSATA slot or just 1x PCI-E in mPCI-E slots.

oh thanks for making my head explode.

Looks like next year's build is going to have some serious gains in processor and drive speed...getting excited again.

Someone explain this to me. How can this thing get say 1GBps read speeds when SATA SSDs can't even get 600MB read speeds which is approximately the limit of SATA-2?

isn't it the controller on the disk that slows it down? PCIe is basically removing that and attaching it right to the mainboard removes a lot of layers... could be wrong!

n_K said,
Someone explain this to me. How can this thing get say 1GBps read speeds when SATA SSDs can't even get 600MB read speeds which is approximately the limit of SATA-2?

SATA 2.0 max is 300 MB/s. SATA 3's max is 600 MB/s hence the limitation. SATA SSDs can read/write faster when the next version of SATA comes out.

BGM said,
isn't it the controller on the disk that slows it down? PCIe is basically removing that and attaching it right to the mainboard removes a lot of layers... could be wrong!

You are wrong lol. Still need a controller somewhere, whether being on the SSD itself of the motherboard. Something needs to control it.

slumdogtrillionaire said,
can you add this to a desktop pci express slot?

There are already desktop versions. This little mobile version doesn't look as secure as the PCI-ex metal framed desktop versions.

Revodrives might be a better option. The PC versions of said laptop SSDs are supposed to be very expensive. (2000-4000 dollars) Revos are only between 400-600 with near the performance.