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Samsung 960 PRO / EVO Owners Club - Page 117

post #1161 of 1258
so from what ive briefly read is it not a good idea to update firmware?
Aurora B
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post #1162 of 1258
The firmware is fine and mostly a reliability fix (www.samsung.com/samsungssd), benchmark performance is within the margin of error as long as you don't put your SSD through excessive torture.

Some of these guys with recent screenshots have already exceeded 10TB of host writes within months or weeks of use (my Samsung 830 from 2012 with ~30000 power on hours clocked just 7TB+? rolleyes.gif.

NVMe driver is fixed without the horrendous DPC latency from V2.1.
post #1163 of 1258
Quote:
Originally Posted by encrypted11 View Post

Some of these guys with recent screenshots have already exceeded 10TB of host writes within months or weeks of use (my Samsung 830 from 2012 with ~30000 power on hours clocked just 7TB+? rolleyes.gif.

What does that have to do with anything?

   
Celapaleis (2013)
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Celapaleis (2013)
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post #1164 of 1258
Quote:
Originally Posted by Darkwizzie View Post

What does that have to do with anything?

Actually, what he said.
Quote:
Originally Posted by Agent-A01 View Post

You guys are worried about nothing.

You're only going to get rated speeds with a near/empty drive.

2150/1950 is respectable especially if your drive is over 50% full


The salient point - if the writes came from benchmark tortures primarily, it's expending FOBish performance for screenshots.
If the host writes were a result of regular use, that's fine though.

FOB performance is finite. But whatever works best for the end-user. It is his/her prerogative to torture the SSD bought though. You're not going to get FOB performance back. Before considering drive fill and other factors.

https://www.micron.com/~/media/documents/products/technical-marketing-brief/ssd_performance_states_tech_brief.pdf
Edited by encrypted11 - 4/27/17 at 11:41pm
post #1165 of 1258
Quote:
Originally Posted by encrypted11 View Post

The firmware is fine and mostly a reliability fix (www.samsung.com/samsungssd), benchmark performance is within the margin of error as long as you don't put your SSD through excessive torture.
I had a conversation with samsung rep and he said me some interesting thing about the 960 evo firmware upgrade:
Quote:
In January, there was issue but we relize it and hold the whole goods then update F/W, release thru Magician/Samsung SSD Page to customer who bought before F/W update.
So for now, there is no issue on 960 EVO reliability.
It seems like that, in case of some of Amazon customer's review, they didn't update F/W yet...
Quote:
Originally Posted by encrypted11 View Post

Some of these guys with recent screenshots have already exceeded 10TB of host writes within months or weeks of use (my Samsung 830 from 2012 with ~30000 power on hours clocked just 7TB+? rolleyes.gif.
There is massive SSD edurance test with 960 evo: https://3dnews.ru/938764/page-2.html
Unfortunately it on russian, but pics are international smile.gif Samsung 960 EVO is live now: https://goo.gl/x828VI. The article have updates every week.

BTW, they have very interesting results about already died SATA SSDs. Here is final graph with practical maximum TBW in test: Warning: Spoiler! (Click to show)
endurance-final.png
post #1166 of 1258
I get you, but that post was made in response to FOB performance than endurance (but your point matters too).

Interesting find otherwise.

The past SSD write endurance tests I remembered were the ones by Anvil on xtremesystems (mostly 25nm+) and tech report (<25nm?).
The 830 256GB clocked over 4.7 PiB ? That was on 27nm planar 2 bit MLC but its great to see TLC drives getting there.
post #1167 of 1258
Quote:
Originally Posted by encrypted11 View Post

The past SSD write endurance tests I remembered were the ones by Anvil on xtremesystems (mostly 25nm+) and tech report (<25nm?).
The 830 256GB clocked over 4.7 PiB ? That was on 27nm planar 2 bit MLC but its great to see TLC drives getting there.
Take a look to links that I posted higher. This endurance test contains a lot of modern TLC SSDs. Their write endurance is around 500-700TB. But some models are better than other. Samsung 850 EVO 250GB with 3Gen (48L) TLC V-NAND passed over 2.7PB mark for example.
Edited by Tester128 - 4/28/17 at 12:25am
post #1168 of 1258
Quote:
Originally Posted by encrypted11 View Post


Actually, what he said.
The salient point - if the writes came from benchmark tortures primarily, it's expending FOBish performance for screenshots.
If the host writes were a result of regular use, that's fine though.

FOB performance is finite. But whatever works best for the end-user. It is his/her prerogative to torture the SSD bought though. You're not going to get FOB performance back. Before considering drive fill and other factors.

https://www.micron.com/~/media/documents/products/technical-marketing-brief/ssd_performance_states_tech_brief.pdf

You're not being clear enough, first with your original comment, then with "FOB". Are you saying that write cycles decrease the performance of a drive? Write cycles would be different than how filled a drive is. My testing was done with similar drive fill levels. So if a person takes a bench, updates firmware, and redoes bench and perf drops what do you think that means?

   
Celapaleis (2013)
(16 items)
 
CPURAMHard DriveHard Drive
7600k @ 5.197/1.392 1.392v x2 8gb GSkill Trident Z 3600 @ 3804 15-15-15-32-2T Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) 
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Kmac 2 (Brown Switch, Gon PCB, Red LED, Clear Top) 
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i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/4082 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
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Celapaleis (2013)
(16 items)
 
CPURAMHard DriveHard Drive
7600k @ 5.197/1.392 1.392v x2 8gb GSkill Trident Z 3600 @ 3804 15-15-15-32-2T Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) 
Keyboard
Kmac 2 (Brown Switch, Gon PCB, Red LED, Clear Top) 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/4082 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
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Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
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post #1169 of 1258
Anyone got an idea why my speeds are appearing as how they are on a new 960 Evo? I did a fresh install of Windows 10. Installed the Samsung driver and the chipset driver. I have not installed Magician yet as it was giving me worse benchmarks before I did the format and fresh install.

SpeedStep and C States disabled. Enable write caching is checked, Turn off Windows write-cache buffer is unchecked.

Wondering what else I can try before I install Magician, as some of the comments said that once you install Magician the only way to really undo it is yet another totally fresh install of Windows.

Asus Z-170A on latest BIOS
i7-6700K @ 4.6 GhZ
16GB Ram @ 3000mhz


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post #1170 of 1258
How much space is used on the drive?
Very low speeds across the board.

Try checking Turn off write cache buffer flushing and turn power management to high performance.
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