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Samsung 840 Pro Poor Performance

sotiris.bos
By sotiris.bos
in Storage Devices
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I get really poor write and 4K performance with my 840 Pro 256GB. 
System specs:
4770K @4.3GHz 1.25v
Maximus VI Formula Latest 6/8/2013 no.0804 BIOS
Kingston HyperX Beast 8GB 2400MHz @2400MHz
Corsair TX750M
Sapphire HD7950 VaporX oced (1000/1300)
Samsung 840 Pro
Seagate 7200.14 2TB
Swiftech H320
Corsair 900D

The SSD is the boot drive and is relatively new (1.67 TB written). I performed a secure erase when I got my new computer through the UEFI of the Formula and installed windows 8 (I was using it in an older system with windows 7). I overclocked and had some bluescreens but I checked the disk and windows is not corrupted. The disk is plugged in the Intel port, not the 3rd party controller. I have 164 GB of free disk space. 

Firmware: DXM05B0Q

Screenshot of CrystalDiskMark and CrystalDiskInfo:
i6csZdM.png

Please Help!

Why do i always get blue screens? Why not a red one for a change?

 

 

Spoiler

  CPU: 2920x  GPU: Sapphire HD 7950 Vapor X  MOBO: X399 Taichi  RAM: 4x 8GB Trident Z RGN 3200/14  CASE: 900D  OS SSD: Samsung 960 Evo 512GB  Storage: 20TB NAS  PSU: Corsair RM1000i  CPU COOLER: NH-U14S TR4 OS: Arch Linux Keyboard: Ducky Shine 3 TKL  Mouse: MX Master 2S Headphones: BD DT 770 PRO 250 Ohm

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https://linustechtips.com/topic/63519-samsung-840-pro-poor-performance/
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Your reads are completely Fine so I'm guessing you are talking about the writes?

<p>Mobo - Asus P9X79 LE ----------- CPU - I7 4930K @ 4.4GHz ------ COOLER - Custom Loop ---------- GPU - R9 290X Crossfire ---------- Ram - 8GB Corsair Vengence Pro @ 1866 --- SSD - Samsung 840 Pro 128GB ------ PSU - Corsair AX 860i ----- Case - Corsair 900D

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Your reads are completely Fine so I'm guessing you are talking about the writes?

Writes and IOPS.

Why do i always get blue screens? Why not a red one for a change?

 

 

Spoiler

  CPU: 2920x  GPU: Sapphire HD 7950 Vapor X  MOBO: X399 Taichi  RAM: 4x 8GB Trident Z RGN 3200/14  CASE: 900D  OS SSD: Samsung 960 Evo 512GB  Storage: 20TB NAS  PSU: Corsair RM1000i  CPU COOLER: NH-U14S TR4 OS: Arch Linux Keyboard: Ducky Shine 3 TKL  Mouse: MX Master 2S Headphones: BD DT 770 PRO 250 Ohm

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I have this problem too, I get about 300 read and 90 write. Same exact drive too.

Do you have the latest firmware? I think there is a problem with it.

Why do i always get blue screens? Why not a red one for a change?

 

 

Spoiler

  CPU: 2920x  GPU: Sapphire HD 7950 Vapor X  MOBO: X399 Taichi  RAM: 4x 8GB Trident Z RGN 3200/14  CASE: 900D  OS SSD: Samsung 960 Evo 512GB  Storage: 20TB NAS  PSU: Corsair RM1000i  CPU COOLER: NH-U14S TR4 OS: Arch Linux Keyboard: Ducky Shine 3 TKL  Mouse: MX Master 2S Headphones: BD DT 770 PRO 250 Ohm

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UPDATE: For some reason it just went back to normal today (without any updates on software/drivers)

 

5Vw7qN2.png

Why do i always get blue screens? Why not a red one for a change?

 

 

Spoiler

  CPU: 2920x  GPU: Sapphire HD 7950 Vapor X  MOBO: X399 Taichi  RAM: 4x 8GB Trident Z RGN 3200/14  CASE: 900D  OS SSD: Samsung 960 Evo 512GB  Storage: 20TB NAS  PSU: Corsair RM1000i  CPU COOLER: NH-U14S TR4 OS: Arch Linux Keyboard: Ducky Shine 3 TKL  Mouse: MX Master 2S Headphones: BD DT 770 PRO 250 Ohm

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