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userUx9fjpsMnY
Asteroid

Low random read/write on samsung 840 250gb ssd

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Got super low random read / write on ssd after installing new system.

Problem mostly manifestates when opening programs (like zbursh or dota 2), it take about 1-2 mins to load zbush completely. also observing task manager disk usage it first loads data, then it suddenly stops and stays at 0% at which time if i press on that program windows says its not responding and asks to wait or shut it down. after waiting for minute disk usage jumps and program starts up. same behavior is in other programs, but not so radical. Dota slows much slower on new system and changing hero in hero screen might take up to 10 secs which is very long time.

 

Have been trying to troubleshoot this for awhile and noticed that random read / write benchmarks for my ssd are super low (only about 20k each) when they should be around 90k and 62k.

 

When i installed new system i wiped every drive clean during windows installation and ssd is my bootdrive.

some steps i've already taken to troubleshoot this issue:

 

1/checked bios for achi (achi mode is on)

2/checked and swapped sata ports (all ports and intel sata 3 6gb/s, but still swapped port, no dice)

3/swapped sata cable (yes, cable is sata 3)

4/installed latest firmware trough magician and ran over partitioning and optimization tools

5/tried msachi driver and multiple intel drivers (all give almost same results)

6/booted in safe mode, issue still persists

7/run chckdsk in cmd, no problems found

8/ran memtest86, everything ok there

9/performance mode to best performance in windows

10/ tried with many different page file sizes

 

i'm puzzled about this problem, is it just failing ssd or is there still some way i can fix this issue?

 

my system specs:

intel 8600k coffee lake

asus strix z370-h motherboard

32gb g.skill trident z 3200mhz ram

nvidia gtx 1080

samsung 840 series ssd 250 gb + 2 x hdd's

 

1 SOLUTION

Accepted Solutions
userUx9fjpsMnY
Asteroid

Re: Low random read/write on samsung 840 250gb ssd

JUMP TO SOLUTION

apparantly i got hit by spectre/meltdown patch.

i'm running new 1003 bios on my asus strix z370-h motherboard which updated intel microcode and ruins random reads and writes.

 

see post https://us.community.samsung.com/t5/Memory-Storage/850-PRO-IOPS-slow-after-OS-is-installed-migrated/...

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1 REPLY 1
userUx9fjpsMnY
Asteroid

Re: Low random read/write on samsung 840 250gb ssd

JUMP TO SOLUTION

apparantly i got hit by spectre/meltdown patch.

i'm running new 1003 bios on my asus strix z370-h motherboard which updated intel microcode and ruins random reads and writes.

 

see post https://us.community.samsung.com/t5/Memory-Storage/850-PRO-IOPS-slow-after-OS-is-installed-migrated/...

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