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[Official] Samsung SSD750/830/840/850 Owners Club - Page 154

post #1531 of 5733
Quote:
Originally Posted by Liranan View Post

TLC prices are constantly dropping, which means these 840 drives will be much cheaper than MLC drives. If the 120GB one manages 1 PiB at least it'll be worth every penny, if you ask me.

It doesn't need to be able to reach 1PiB. There are plenty of 120-128GB SSDs with MLC NAND that won't hit anywhere near 1PiB. As long as the Samsung 840 120GB can do 120TB (which means it meets Samsung's promise of 1,000 P/E cycles minimum), it's good. I used 50GB host writes setting up a new PC with Windows 7. At that level of usage per day, the 120TB minimum NAND writes will be used up, in what, 6.5 years? Most folks only write an average of around 5GB, at most 10GB to their SSDs per day. At 10GB/day, you'll use up the 120TB NAND writes in 30+ years. rolleyes.gif

Quote:
Originally Posted by Liranan View Post

Hopefully others will make TLC drives too so their prices keep dropping, rather than rise when SSD buyers realise their fear of TLC is irrational.

There are plenty of TLC NAND manufacturers. The problem appears to be none have quite the same expertise as Samsung when it comes to controllers and firmware. Samsung really did something pretty amazing with Samsung 840 TLC. The only unfortunate thing about it is pricing.

The Samsung 840 tends to be more expensive compared to previous gen models with MLC NAND, particularly the Samsung 830 during all those clearance sales. The move to TLC NAND is designed to drive down prices. Unfortunately, prices were already down when the Samsung 840 was released. You see sales on previous gen 120GB MLC NAND SSD for $50-80 quite often, but the cheapest I've seen for the Samsung 840 120GB is $80 ($70 after $40MIR). Normally, it goes for around $100 or so. I've seen the Intel 330 and SanDisk Extreme 240GB for $140 on a couple of occasions but the lowest I've seen for the Samsung 840 250GB is $150. However, there have been some pretty good deals on the Samsung 840 500GB (B&H $300, Adorama $310).

Also, the fixed costs (packaging, chassis, PCB, controller, RAM, etc) for all the capacities should be the same so shouldn't the higher capacity models be cheaper per GB compared to the lower capacity ones? Why do 480/500/512GB capacity models often cost significantly more per GB compared to 240/250/256GB versions?
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post #1532 of 5733
Thread Starter 
Updated. Slightly delayed happy new year, everyone! smile.gif
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post #1533 of 5733
Quote:
Originally Posted by Chunky_Chimp View Post

Updated. Slightly delayed happy new year, everyone! smile.gif

Cool. Thanks for adding me!




Cheers:) Have a great year:rolleyes:
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post #1534 of 5733
Quote:
Originally Posted by casabel View Post

Hello guys new member here and with rather bad experience with 840 pro...
I own a system based on m/b gigabyte z77/ud3 with core i7 3770k and experienced a problem with
model my 840MZ -7PD256BW which i bought a month ago from amazon.fr
When i installed windows 7x64 and used it for 2-3 days suddenly after a reboot the ssd died and the system was searching for boot device. This happened not from start but after i update the latest ssd fw. When the ssd failed i had to re-format (as it appeared as unallocated space after death) and reinstall windows just to see after 2 days same thing happen after reboot randomly.
Does someone else have same problem?

Sounds like the firmware update may have failed. Which method did you use? You may want to try doing a Secure Erase on the drive, it's possible that after the upgrade even though the drive showed as unallocated there was still junk data in the tables. Best bet would be to do a SE to clear them and see if that fixes it. If that doesn't help you may want to try plugging it in to a different port/controller just to see if it still happens.
post #1535 of 5733
Hello and thanx for fast reply...I updated via the sw provided by samsung ssd magician (it notified me and done the process from windows). I always secure erase so i made 3 attempts in same sata port and always secure erased from dos (with samsung app). All 3 times had same issue (formated,installed windows again ,used for 2 days and suddenly after a random reboot ssd was dead). I now unplugged ssd from this sata port and plugged in my normal hdd there to see if it is a port problem but i really doubt it. Must be faulty HW or faulty FW but again this would happen to everyone if was the case..
Edited by casabel - 1/1/13 at 10:52pm
post #1536 of 5733
Quote:
Originally Posted by casabel View Post

Hello and thanx for fast reply...I updated via the sw provided by samsung ssd magician (it notified me and done the process from windows). I always secure erase so i made 3 attempts in same sata port and always secure erased from dos (with samsung app). All 3 times had same issue (formated,installed windows again ,used for 2 days and suddenly after a random reboot ssd was dead). I now unplugged ssd from this sata port and plugged in my normal hdd there to see if it is a port problem but i really doubt it. Must be faulty HW or faulty FW but again this would happen to everyone if was the case..

Don't let this give you a bad experience with Samsung. Might be a bad drive. See if you can exchange it, but you give up on a great drive.
post #1537 of 5733
i know that it is a great drive but having built a new system is the last thing you want to see fail. The problem is weird and in order to happen needs 2 days working with it and all work to be lost...
post #1538 of 5733
Quote:
Originally Posted by Chunky_Chimp View Post

Updated. Slightly delayed happy new year, everyone! smile.gif

Nice! Thanks for that add! Should have my drives by this weekend, hopefully, and can get them all installed (physically) and then re-install the OS (yeay) on JimBob then repeat the everything on JoeBob. Fortunately, I made two thumb drives with the OS on it so I can do them in tandem. Can't wait!!!
   
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post #1539 of 5733
I have a strange problem with my Samsung 830. It says I have 17GB's of free space left, but when I checked all the files on the actual SSD there's only 87GB's of files in total. That means my total free space should be 32Gb's. I remembered to check with show hidden files and folders on.

Is this a known issue? or am I being dumb?
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post #1540 of 5733
Quote:
Originally Posted by Frazz View Post

I have a strange problem with my Samsung 830. It says I have 17GB's of free space left, but when I checked all the files on the actual SSD there's only 87GB's of files in total. That means my total free space should be 32Gb's. I remembered to check with show hidden files and folders on.
Is this a known issue? or am I being dumb?

use spacesniffer, it will show all the files on the disk. (Make sure to run it as admin)

http://www.uderzo.it/main_products/space_sniffer/
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