Thunderbolt drive Read/Write speeds have significantly dropped

I got a new Western Digital Thunderbolt VelociRaptor drive. When I did speed tests on it using "BlackmagicDesign" Speed Test software initially (when empty) the drive was giving me read and write speeds of 350 MB/s. Now however I have 90% of the drive occupied with data and the read/write speeds have dropped significantly to 230 MB/s. Any ideas as to why and how I could improve this?
Thanks

ishjen wrote:
Anybody know how fast the read/write speeds are with a USB hard drive and the Airport Extreme Base Station?
Welcome to Apple's discussion groups.
Apple's AirPort base stations aren't known for fast file serving, but for most purposed they're fast enough.
I can't comment specifically on your Aperture plan, but with some software it's important to avoid simultaneous access by more than one user.

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G710 hard drive read/write speed

Hello,
I have a brand new Ideapad G710 with 1TB Serial ATA 2, 5400rpm with advertised speed of 3 Gb/s (= 384MB/s).
I am running Windows 7 ultimate x64 with SP1.
When I test hard drive read/write speed (I used CrystalDiskMark) I get results of about 100MB/s, which is 3-4 times slower than it should be.
I am not running any resource heavy applications (Resource monitor reports Disk I/O to be 0 most of the time in idle state). I have 3 partitions, each with 16-32GB paging file size and all are >90% empty. All partitions have been defragmented before testing.
Is this normal? Are there any lenovo drivers or utilities than I might be missing or that can slow/speed this?
Solved!
Go to Solution.

hi Daew,
Welcome to the Lenovo Forums.
The results that you got while running CrystalDiskMark is normal. The SATA 2 (3Gb/s) that you mentioned is actually the SATA interface support, not the actual read/write performance.
If you have a Seagate HDD (eg. ST10000LM024), check these specs
From the above specs, the unit has a cache that has a read/write max speed of 145 MB/s but there are environmental factors and power requirements to get this speed (eg. read/write speed on AC power is differente from battery power).
AFAIK, if this is the specs that is design for this drive, there's no way to speed it up.
If you're planning to upgrade in the future though, you can get an SSD for faster read/write.
Regards
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Hard drive read write speeds are too slow

I was having an issue with 17inch macbook pro. was getting 4.0mb/s read write speed tops. and smart status failure.
So i replaced the drive. The new drive is a 7200 RPM 500GB WD drive. I'm getting 12.0mb/s on top speed. Computer feels a little quicker but still slow overall.
I ran this test on a fresh install of snow leopard.
Is it just me or do those read/write speeds on the new drive still seem slow?
2007 17inch macbook pro with 2gigs of ram.

That does seem slow - on the other hand, what are you using to measure it?
My 1Tb 2.5" SATA drive performance shows as follows: http://grab.by/7zau
Xbench Stats: http://grab.by/7zau
Anything in System Profiler? http://grab.by/7zaR
Link Speed at 3 Gb?

Mac Pro - Boot drive - Read & Write speed differences

Hi
My Mac Pro came with a 500GB boot drive when I ordered it 3 years ago. It has been used most days and now runs
Snow Leopard (for scanners and a canopus video box that don't work with Lion) and Lion.
I did a write & write test on the drive recently at both were approx 60 - 65 MB/s. I have another drive in my machine
I bought last month, replacing an WD drive that failed in less than 18 months. This new drive (complete same as replacement
is a WD Caviar (Black) 1TB 64Mb drive.
This drive tests at speeds for 110MB/s. This may seem an obvious question, but will I notice much difference if I swap the drives
around and have the newer drive as my boot drive.
Also, does having two OS on a HD slow the drive down also?
Thanks in advance
Matt

Use the 500 for a system backup clone then.
If you want to and have $150 then I recommend this for the system actually (you don't need 1TB and even if you did use a 1TB which are now $120, I would 'short stroke' and use just 1/3 to 1/2 for the system anyway.
Western Digital WD2500HHTZ 250gb Sata 6gb/s 3.5 Hd
http://www.amazon.com/gp/product/B007V5A1BK/
check reviews of the new WD 10K VR ~200MB/sec

Read/Write speeds with Airport Extreme and USB Hard Drives

Anybody know how fast the read/write speeds are with a USB hard drive and the Airport Extreme Base Station?
My Setup
I have a 17 MBP (2010) and a 13 MBP (2011) - no SSD's
MBP generally connect via 802.11n 5Ghz with a very strong signal
Gigabit connection on a Windows Desktop
I have a variety of external drives (7200, 5400, Drobo) at varying capacity (320GB, 2TB, 5.6TB)
Goals
Backup: Time machine
Backup: File copies of pictures and home videos (greater than 1GB files)
Backup: Crashplan
File sharing: Aperture libraries--not sure if that is possible or practical. That is something that I need to research further...but on the off chance people have experience with it.
Thanks!

ishjen wrote:
Anybody know how fast the read/write speeds are with a USB hard drive and the Airport Extreme Base Station?
Welcome to Apple's discussion groups.
Apple's AirPort base stations aren't known for fast file serving, but for most purposed they're fast enough.
I can't comment specifically on your Aperture plan, but with some software it's important to avoid simultaneous access by more than one user.

I am moving from PC to Mac. My PC has two internal drives and I have a 3Tb external. What is best way to move the data from the internal drives to Mac and the best way to make the external drive read write without losing data

I am moving from PC to Mac. My PC has two internal drives and I have a 3Tb external. What is best way to move the data from the internal drives to Mac and the best way to make the external drive read write without losing data

Paragon even has non-destriuctive conversion utility if you do want to change drive.
Hard to imagine using 3TB that isn't NTFS. Mac uses GPT for default partition type as well as HFS+
www.paragon-software.com
Some general Apple Help www.apple.com/support/
Also,
Mac OS X Help
http://www.apple.com/support/macbasics/
Isolating Issues in Mac OS
http://support.apple.com/kb/TS1388
https://www.apple.com/support/osx/
https://www.apple.com/support/quickassist/
http://www.apple.com/support/mac101/help/
http://www.apple.com/support/mac101/tour/
Get Help with your Product
http://docs.info.apple.com/article.html?artnum=304725
Apple Mac App Store
https://discussions.apple.com/community/mac_app_store/using_mac_apple_store
How to Buy Mac OS X Mountain Lion/Lion
http://www.apple.com/osx/how-to-upgrade/
TimeMachine 101
https://support.apple.com/kb/HT1427
http://www.apple.com/support/timemachine
Mac OS X Community
https://discussions.apple.com/community/mac_os

Mac Mini drive read/write 20MB/s

I've been fighting a slow drive for months and have yet to find a solution. Most recently I installed a 1 TB 7200 RPM drive from OWC, cloned my drive and find the new drive measures about the same read/write speed of 20-25 MB/s. I'm at a loss to find a solution. Interestingly when I test the stock 500 GB drive that is now reformatted and empty I see it measures 50 MB/s read/write.
The drive has about 300 GB of 1 TB free and should be relatively fragment free since I copied over the data in one swoop.
I've seen others suggesting a format/reinstall but that sounds to me like the Windows mentality of "hiding" the problem instead of locating and resolving the issue (e.g. reboot and see if it goes away...solved!). Notably, if I take the time to reinstall and reconfigure after formatting how do I know I won't just end up in the same circumstance again.
I appreciate any suggestions to locate what might be causing the slow speed or any troubleshooting tips to narrow the culprit. For example, I ran...
kextstat | grep -v com.apple
...a while back and discovered I had FSEventer still installed from long ago when I tried it out briefly It installs a kext that tracks all filesystem activity so it noticebly affects read/write speed. Removing that moved me from 15 MB/s to the 20s. Now kexstat doesn't list any non-Apple kexts.
I appreciate any other suggestions to discover drivers or really software of any kind beyond default Apple provided OS-level stuff that I can systematically eliminate in search of a solution.
Thanks for any and all help!

Hi, I'm thinking reformat isn't the way to go, leastwise not yet!
You get these speeds copying to/from what?
What size Cache is this new drive?
How is this drive connected, internally or externally?
Might try Etrecheck...
http://www.etresoft.com/etrecheck

Usb hard drive - slow write speed

Hey all you mac savvy people out in mac land.
I got the airport extreme n edition for christmas and I set the thing up at the 5Ghz N speed (300Mbps) and all is happy. then I connected my external usb 2.0 hard drive to begin using that as a network storage, the airport picks it up and sees it, and I can read/write to it. When I read from it, it reads really fast at about 6 MBps (i can see this speed by using the iStat widget) but the write speed to it is about 2 MBps (again, through iStat). I know that the hard drive itself is not slow because hard wired to it is really fast and i know that the airport extreme is fast for transfers because i transfer about 12-13 MBps to my pc. Why is it that the write speed going wireless to it is slow? any ideas?

hi Daew,
Welcome to the Lenovo Forums.
The results that you got while running CrystalDiskMark is normal. The SATA 2 (3Gb/s) that you mentioned is actually the SATA interface support, not the actual read/write performance.
If you have a Seagate HDD (eg. ST10000LM024), check these specs
From the above specs, the unit has a cache that has a read/write max speed of 145 MB/s but there are environmental factors and power requirements to get this speed (eg. read/write speed on AC power is differente from battery power).
AFAIK, if this is the specs that is design for this drive, there's no way to speed it up.
If you're planning to upgrade in the future though, you can get an SSD for faster read/write.
Regards
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
Follow @LenovoForums on Twitter!

Toshiba SSD vs Samsung SSD and inconsistent read/write speeds

I've heard that some of the 2011 Airs are shipping with Toshiba SSDs where others have the Samsung SSDs. Apparently the Toshiba ones are considerably slower and are more likely to be in the 13" models where the Samsung SSDs are more likely to be in the 11" models. I was curious if anyone out there has an 11" model with the 256GB option, and if so, which SSD did you get in yours? See here: http://9to5mac.com/2011/07/25/2011-macbook-air-ssd-speeds-are-not-consistent/#mo re-85182
Thanks

Trey992 wrote:
I'm really disappointed, considering I spent $1200 on a portable laptop, I expect it to be pretty much perfect, and it's a let down knowing I didn't get what a lot of other people paying the same price might be getting. Anything on this Apple?
Are you looking to get a response from Apple here? If so you're going to be left wanting. This is a user-to-user discussion forum, if you wish to communicate with Apple you'll need to get on the phone with AppleCare or bring it into the store.
You can also return the machine and buy a new one, it's a 50/50 chance.
I have the Toshiba drive in my 13" MBA with the 128GB SSD. A co-worker has the same model machine with a Samsung drive.
As Apple doesn't promise a minimum SSD read/write speed I don't really see any justification for them to offer an exchange on a unit unless it's defective (which this would not be considered defective in their eyes). Thus my recommendation for the return. The other problem is there's no discernible markings on the outside of the box that indicate which drive is in the machine, plus Apple doesn't let you "try before you buy."
Even given the slower Toshiba speeds, I'd be really curious to see someone max out the capabilities of either drive.

Required read write speeds

hey
i'm currently in the process of building a NAS and have been previously working with a firewire hard drive box..
my question is simple (at least i think so).....what are speeds that are typically seen when editing with firewire boxes....i was using a 800 firewire box and i know real world situations you don't get 800 mb/s....
i edit HD footage (captured AIC 1080i @ 60fps) and this new NAS box that i'm building says it can achieve anywhere between 22-45mb/s read/write speeds
will this be fast enough?
thanks for your time guys!
Thanks
~Will-i-am~

it can achieve anywhere between 22-45mb/s read/write speeds
will this be fast enough?
If all you deal with is DV.
x

Macbook pro 2011 HD read/write speed

My 2 and half year old macbook pro seemed little slow so i did read/write speed test and it shows about 45MB/sec read/write speed. It is normal for a old 5400rpm hard disk. I have mountain lion.

Yes, that's probably about normal for an older, slow drive.

Are my read/write speeds up to snuff? MacPro Octo 2.26

What are typical and good read/write speeds I can expect on my MacPro Octo 2.26 10GB Ram.
According to iStat, on a simple copy, I get about 65-70 MB/s read from a WD 640 caviar black internal bay, and 65-70 MB/s write to a WD 640 caviar black internal bay. Are there any apple docs that explain what we can expect, how to enhance? You can skip RAID talk, this is just basic stock computer and best operating procedures I'm speaking of. Thanks!
The OS is on a WD 74 Raptor drive.

Drives keep evolving.
It depends on what you copy, and what matters, or, where if any place is there a bottleneck?
Newer 10K VR drives maybe, boot drive is important.
SSDs definitely boost system.
Isolating I/O between drives (system, scratch, media, etc) really helps so all the work and I/O is spread out.
Newer 1TB and above drives with 500GB platters and higher density, too.
Best differs from video editing, to mild editing of files, to very heavy work in CS4.
Also, keeping your drives to 50% free space, or what I do for some drives is short-stroke so I really only use one outer partition to work with and use the rest for junk and inactive archive/backup and storage.
iStat - never used it and definitely not for benchmarking drives.

I'm looking for the read/write speeds for my Mac's.

I'm looking for read/write speeds for my Macs, but I can't find consistent data. Does anyone know the speeds or know where I can look? I have three computers:
iMac late 2013 Fusion/3TB i7
iMac late 2009 1TB i7
Macbook Air 256GB i5
Thanks,

I think the feature is called Voice Over, and I think it's now compatible with Reader:
http://support.apple.com/kb/HT3598?viewlocale=en_US&locale=en_US

Macbook Pro 1.1 how to improve read/write speed

Hello,
I am looking to improve the read/write performance of a 2006 2.16 Intel Core Duo Macbook Pro with 2gb RAM (the max), that I use on a specific job in a specific workflow.
In the workflow there are three retouchers using three different MBPs and transferring files via Ethernet network to a fourth MBP (the one in question) which is used as a dropbox, if you like.
So the MBP in question has no applications running. Files are saved to it and opened from it and saved back to it.
How can I improve read/write speed on this MBP under these conditions?
Would installing an SSD be the answer? Or is it really a processor issue and there's nothing to be done? I figure RAM doesn't really come into it, but in any case 2GB is the max this model can accept.
Many thanks in advance.

An SSD would definitely improve read/write speed. However, depending on capacity needed, are you sure you want to sink the money into this machine? Start here:
http://eshop.macsales.com/shop/hard-drives/2.5-Notebook/

I have 2 MacBooks at home that back-up to a Time Capsule. I'd like to buy an external Thunderbolt drive at work to have as an additional back-up. Will Time-Machine support autobackups to 2 different devices?

I have 2 MacBooks (1 Air and 1 Pro) at home that back-up to a Time Capsule. I'd like to buy an external Thunderbolt drive at work to have as an additional back-up (so that were there to be a fire/water damage/etc) I would not lose both the computer and the backup.
Will Time-Machine support autobackups to 2 different devices?
I'd like for it to be able to backup to an external Thunderbolt drive attached to my thunderbolt display when I dock the MacBook Air to it.
Does anyone know if this will occur automatically, or if I will have to manually select backup disk?
thanks

Yes, with Mountain Lion you can do this, but I will leave the explanation to Apple Support Communities contributor Pondini:
34. "Rotating" Time Machine backup disks

Thunderbolt drive Read/Write speeds have significantly dropped

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