ordered on august 21st and took delivery on september 3rd (china -> switzerland).
Got a tip for us?
Let us know
Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
SATA Express meets the '09 Mac Pro - Bootable NGFF PCIE SSD
- Thread starter handheldgames
- Start date
- Sort by reaction score
ordered on august 21st and took delivery on september 3rd (china -> switzerland).
So I got the Apple 512GB PCIe SSD installed, and the one thing that I noticed is that it refers to the disk as an external removable disk. The icon for it is yellowish/orange. Is this just something that happens, or can it be set to know that it's an internal disk? Does it make any difference at all?
It is external in that it's not using the internal SATA controller. It will always display as external. There is nothing you can do to change that, but it doesn't make any difference.
I don't remember what product exactly it was, but some backup software refused to backup the data because it recognized the disk as an external one. rare, but it can make a difference. I didn't experience any negative effects with my XP941 or Apple/SAMSUNG SSDs because of this.
Yes I remember that thread/post and it turned out to be user error in that the user didn't go into the preferences menu and select the settings to use the correct disc/SSD. The OP corrected his error and it worked well afterwards. Who ever heard of a modern backup product that can't use external drives. Even archaic software backed up to external tape drives.
What I meant by it makes no difference, is that it's not a detriment to normal booting/use. It's not a trade-off, it's an enhancement.
It took 21 days in my case. Received yesterday.
I can confirm that the Apple 1 TB SSD performs great in cMac Pro (4,1/5,1), in Slot 2 (as recommended), all 4 lanes active, as expected.
Blackmagic Disk Speed Test:
1157 MB/s Write
1386 MB/s Read
Attachments
Last edited:
Hello,
Would you mind trying the card/SSD in slot #3 or #4, alone there if possible. These slots, when there's only one card in them, should have enough bandwidth. In theory you should get the same results.
I'm curious because I can't use slots #1 or #2 right now.
Thanks
Loa
Thanks for your reply and...wow. These are some exciting times indeed for us cMP folk. Which seller did you get your SSD from?
Here is a snapshot from Quickbench 4.0 1TB rev A01 Performance is on par with the XP941. Higher performance seems to be coming from REV A02. DOH!!!
Attachments
Last edited:
All my slots are occupied, boot volume in card at slot 4, so i prefer not to change my cards, sorry…
But yes, slot 3 should have the same speed as slot 2, as long slot 4 is not used at the same time.
This seller of the SSD: http://www.ebay.com/itm/331341879304
This seller of the Adapter-card: http://eshop.sintech.cn/2013-macbook-pro-air-ssd-to-pcie-4x-adapter-card-p-1026.html
And it seems this configuration beats the New Mac Pro 2013
:http://www.youtube.com/watch?v=B3l88Mas_Hs
At least thanks to Handheldgames for this great thread!
Last edited:
don't worry, just test the bigger block sizes with QuickBench and you shall see more or less the same speeds.
Thx for the tip. In Quickbench on Yosemite The SSD scales correctly in comparison to my existing XP941 128 I picked up in December of last year. Just not in black magic compared to Synchro3's post. In AJA System Test, performance matches the XP941 512GB as reported by barefeats.com . Samsung may be using their new 3D band in some of these.
Attachments
Last edited:
Strange read/write speeds after Yosemite upgrade?
Hello there
With this being my first post i'd like to start off by saying thank you for all the helpful threads and posts you guys come up with - i've been following the forum for a while and I couldn't have made the upgrades I did without your help.
Has anyone else but me noticed strange read/write speeds in yosemite?
Im using a XP941 256gb connected in slot 3 with the DT-120 adapter, and im only getting write speeds at around 360mb/s, and read around 380mb/s. On mavericks i was able to get read speed peaking at 1140mb/s.
Hope any of you can provide me with some info around this issue.
Thank you
Attachment below:
http://imgur.com/SI83m0u
Hello there
With this being my first post i'd like to start off by saying thank you for all the helpful threads and posts you guys come up with - i've been following the forum for a while and I couldn't have made the upgrades I did without your help.
Has anyone else but me noticed strange read/write speeds in yosemite?
Im using a XP941 256gb connected in slot 3 with the DT-120 adapter, and im only getting write speeds at around 360mb/s, and read around 380mb/s. On mavericks i was able to get read speed peaking at 1140mb/s.
Hope any of you can provide me with some info around this issue.
Thank you
Attachment below:
http://imgur.com/SI83m0u
Is trim enabled? The only time I ever saw performance drop on the XP941 is after TRIM was disabled.
(screenshot from from MacPaulli)
(screenshot from from MacPaulli)
Hello there
With this being my first post i'd like to start off by saying thank you for all the helpful threads and posts you guys come up with - i've been following the forum for a while and I couldn't have made the upgrades I did without your help.
Has anyone else but me noticed strange read/write speeds in yosemite?
Im using a XP941 256gb connected in slot 3 with the DT-120 adapter, and im only getting write speeds at around 360mb/s, and read around 380mb/s. On mavericks i was able to get read speed peaking at 1140mb/s.
Hope any of you can provide me with some info around this issue.
Thank you
Attachment below:
Image
http://imgur.com/SI83m0u
Thank you for the fast answer.
TRIM is enabled With TRIM enabler, and even showing as so within "about this Mac".
I'm not really sure what could've made the read/writes drop like that, considering the Update to yosemite went flawless.
TRIM is enabled With TRIM enabler, and even showing as so within "about this Mac".
I'm not really sure what could've made the read/writes drop like that, considering the Update to yosemite went flawless.
Maybe this helps:
- Boot Volume Mountain Lion 10.8.5 in Slot 4 with 6G Caldigit FASTA-6GU3 Pro card
- Apple PCI Express SSD in Slot 2 with Sintech card (Model No. MZ-KPV1T00/0A2)
- TRIM enabled
- Using BlackMagic Disk Speed v. 2.2
Now tested with AJA System Test 10.3.3, pls see attached pics
Attachments
Last edited:
I (for one) am curious about these subtle differences in model numbers for the 1Tb Apple/Samsung drives and wonder what they mean? Could one (as u/handheldgames speculated) be faster than another? Here's what I've gleaned so far (correct me if I'm wrong).
-MZ-KPV1T0T/0A1 - comes with a heatsink and is sold by seller Sputnik.
-MZ-KPV1T0T/0A2 - I spoke with seller chrisdildilio and he indicated that the /02 is what he sells and that the only difference he was aware of between it and the /01 was that the /02 does not have the heatsink.
-MZ-KPV1T0T/0A6 - sold by seller mcko10 from South Korea. He indicated the same as chrisdildilio that the only difference he was aware of between it and the /01 was that the /06 does not have the heatsink. I have one on on the way and I believe u/mikeboss has this one as well?
-MZ-KPV1T00/0A2 - u/Synchro3's model number (bought form chrisdildilio?). Never seen this T00/0A2 number before your photo of it posted.
-MZ-KPV1T0T/0A1 - comes with a heatsink and is sold by seller Sputnik.
-MZ-KPV1T0T/0A2 - I spoke with seller chrisdildilio and he indicated that the /02 is what he sells and that the only difference he was aware of between it and the /01 was that the /02 does not have the heatsink.
-MZ-KPV1T0T/0A6 - sold by seller mcko10 from South Korea. He indicated the same as chrisdildilio that the only difference he was aware of between it and the /01 was that the /06 does not have the heatsink. I have one on on the way and I believe u/mikeboss has this one as well?
-MZ-KPV1T00/0A2 - u/Synchro3's model number (bought form chrisdildilio?). Never seen this T00/0A2 number before your photo of it posted.
Yes, bought from chrisdildilio. When i look to 'My eBay', i can see that he sold 22 pieces of the 'ominous' MZ-KPV1T00/0A2. Was quite expensive, but worth it.
Edit, found the link: http://www.ebay.com/itm/Apple-Mac-P...=100011&prg=10672&rk=2&rkt=10&sd=301315542126
Last edited:
Now here's a really dumb question. The heatsink ones are for the nMP. Does that heat sink make a difference? Does it interfere with mounting in the Sintech adapter? Does leaving it on or taking it off make a difference to running temps when mounted in the cMP?
NoATime
@ handheldgames: Maybe a stupid question. Did you activate NoATime?
I quote: http://www.soulman.de/noatime.html (Webpage no longer active, but i have a copy)
Google Translator:
atime means "access time". Here, in a table on the hard disk, the time of each access, is co-written on a file, even on all read accesses. So when I look at 10,000 files, also 10.000x are written to the SSD. This decreases the performance about 8 - 10 %. Not much, but you can deactivate this without effort. Disabling atime for me (and many others) so far has ZERO impact on other operations.
Instruction:
- Download noatimeplist.zip (attached in this post), and unzip
- Place de.soulman.noatime.plist here: (Your volume)/Library/LaunchDaemons/
- In Terminal type this command: sudo chown root:wheel /Library/LaunchDaemons/de.soulman.noatime.plist
- Type in your password
- Restart your Mac
- Test in Terminal with command: mount
- If you find somewhere next to the mounted volume "noatime", it works.
This solution worked for me from Snow Leopard to Mountain Lion.
Alternatively you can activate NoATime with 'Chameleon SSD Optimizer'.
@ handheldgames: Maybe a stupid question. Did you activate NoATime?
I quote: http://www.soulman.de/noatime.html (Webpage no longer active, but i have a copy)
Google Translator:
atime means "access time". Here, in a table on the hard disk, the time of each access, is co-written on a file, even on all read accesses. So when I look at 10,000 files, also 10.000x are written to the SSD. This decreases the performance about 8 - 10 %. Not much, but you can deactivate this without effort. Disabling atime for me (and many others) so far has ZERO impact on other operations.
Instruction:
- Download noatimeplist.zip (attached in this post), and unzip
- Place de.soulman.noatime.plist here: (Your volume)/Library/LaunchDaemons/
- In Terminal type this command: sudo chown root:wheel /Library/LaunchDaemons/de.soulman.noatime.plist
- Type in your password
- Restart your Mac
- Test in Terminal with command: mount
- If you find somewhere next to the mounted volume "noatime", it works.
This solution worked for me from Snow Leopard to Mountain Lion.
Alternatively you can activate NoATime with 'Chameleon SSD Optimizer'.
Last edited: