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Samsung NVME (OEM) PM981 SSD Speed issues

Go to solution Solved by mikat,

I got my laptop with the exact same ssd yesterday, this is how the score should look:

RawPapayawhipOffensiveRequired

 

Have you tried installing samsung magician software?

Just bought this drive experiencing some speed anomalies

 

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Probably SLC caching isn't enabled. I'm not sure if the PM981 works with Samsung's Magician software but if it does you need to enable TurboWrite.

 

Out of curiosity, why buy a PM981 instead of a 970 evo?

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That's cause cause i got this one for 88$ where as 970 Evo is 280$
pretty big price difference isn't it!
What does " SLC caching " mean
@DocSwag

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4 minutes ago, DocSwag said:

SLC caching

 

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I got my laptop with the exact same ssd yesterday, this is how the score should look:

RawPapayawhipOffensiveRequired

 

Have you tried installing samsung magician software?

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CPU: i7-4790K Cooler: Cooler Master Hyper 212 EVO Motherboard: MSI Z97 U3+ RAM: 4x4 GB DDR3 1600MHz GPU: MSI GTX 1070 Ti 8G Case: Corsair 230T Windowed Orange SSD: Crucial BX100 250 Gb PSU: Cooler Master G450M HDD: WD 1 TB Generic

Laptops: Macbook Air 2012 11" baseline (i5-3317U @ 1.7 Ghz) upgraded with a Samsung 850 evo 250 GB SSD

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3 hours ago, NaveenTech said:

That's cause cause i got this one for 88$ where as 970 Evo is 280$
pretty big price difference isn't it!
What does " SLC caching " mean
@DocSwag

Basically you SSD uses TLC (Triple Layer Cell) flash, which gives a lot higher storage density and is much cheaper than SLC (single Layer Cell) (you can have triple the capacity as SLC) but performance takes a hit (especially write performance). Samsung usually has a feature that makes some of the flash into SLC that acts as a cache so that when you write to the drive it gets filled up first.

 

Your write speeds look like what I'd expect if SLC caching wasn't enabled... usually I think there's a setting in Magician for that but unfortunately since it's a PM drive it's considered OEM and isn't supported by Magician.

 

You could try updating the NVMe driver through Windows but idk what else you could do.

Make sure to quote me or tag me when responding to me, or I might not know you replied! Examples:

 

Do this:

Quote

And make sure you do it by hitting the quote button at the bottom left of my post, and not the one inside the editor!

Or this:

@DocSwag

 

Buy whatever product is best for you, not what product is "best" for the market.

 

Interested in computer architecture? Still in middle or high school? P.M. me!

 

I love computer hardware and feel free to ask me anything about that (or phones). I especially like SSDs. But please do not ask me anything about Networking, programming, command line stuff, or any relatively hard software stuff. I know next to nothing about that.

 

Compooters:

Spoiler

Desktop:

Spoiler

CPU: i7 6700k, CPU Cooler: be quiet! Dark Rock Pro 3, Motherboard: MSI Z170a KRAIT GAMING, RAM: G.Skill Ripjaws 4 Series 4x4gb DDR4-2666 MHz, Storage: SanDisk SSD Plus 240gb + OCZ Vertex 180 480 GB + Western Digital Caviar Blue 1 TB 7200 RPM, Video Card: EVGA GTX 970 SSC, Case: Fractal Design Define S, Power Supply: Seasonic Focus+ Gold 650w Yay, Keyboard: Logitech G710+, Mouse: Logitech G502 Proteus Spectrum, Headphones: B&O H9i, Monitor: LG 29um67 (2560x1080 75hz freesync)

Home Server:

Spoiler

CPU: Pentium G4400, CPU Cooler: Stock, Motherboard: MSI h110l Pro Mini AC, RAM: Hyper X Fury DDR4 1x8gb 2133 MHz, Storage: PNY CS1311 120gb SSD + two Segate 4tb HDDs in RAID 1, Video Card: Does Intel Integrated Graphics count?, Case: Fractal Design Node 304, Power Supply: Seasonic 360w 80+ Gold, Keyboard+Mouse+Monitor: Does it matter?

Laptop (I use it for school):

Spoiler

Surface book 2 13" with an i7 8650u, 8gb RAM, 256 GB storage, and a GTX 1050

And if you're curious (or a stalker) I have a Just Black Pixel 2 XL 64gb

 

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