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expired Posted by Intelpimp • Feb 25, 2025
expired Posted by Intelpimp • Feb 25, 2025

2TB Samsung 990 EVO Plus NVMe Internal Solid State Drive

+ Free Shipping

$130

$185

29% off
Amazon
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Deal Details
Update: This popular deal is still available.

Various Retailers have 2TB Samsung 990 EVO Plus NVMe Internal Solid State Drive (MZ-V9S2T0B/AM) on sale for $129.99. Shipping is free.

Thanks to Community Member Intelpimp for sharing this deal.

Available from:About this product:
  • Sequential read/write speeds up to 7,250/6,300MB/s
  • Intelligent TurboWrite2.0's enhanced large-file performance
  • Nickel-coated controller to utilize less power while achieving similar performance to other SSD
  • Compatible with PCIe 4.0 x4 and PCIe 5.0 x2

Editor's Notes

Written by persian_mafia | Staff
  • About this Store:
  • Additional Information:
    • Rated 4.8 out of 5 stars on Amazon based on over 2705 customer reviews.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by Intelpimp
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Update: This popular deal is still available.

Various Retailers have 2TB Samsung 990 EVO Plus NVMe Internal Solid State Drive (MZ-V9S2T0B/AM) on sale for $129.99. Shipping is free.

Thanks to Community Member Intelpimp for sharing this deal.

Available from:About this product:
  • Sequential read/write speeds up to 7,250/6,300MB/s
  • Intelligent TurboWrite2.0's enhanced large-file performance
  • Nickel-coated controller to utilize less power while achieving similar performance to other SSD
  • Compatible with PCIe 4.0 x4 and PCIe 5.0 x2

Editor's Notes

Written by persian_mafia | Staff
  • About this Store:
  • Additional Information:
    • Rated 4.8 out of 5 stars on Amazon based on over 2705 customer reviews.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by Intelpimp

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Top Comments

It is absolutely fine for a Windows drive.



DRAM and the pSLC cache serve totally different purposes. DRAM primarily stores a copy of the mapping table (FTL). It mostly helps with random I/O performance and slightly reduces write amplification. DRAM-less NVMe drives usually have HMB, which allows a small amount of system memory to be used to help compensate for the lack of DRAM. It's not as good as having a large amount of onboard DRAM but it still yields pretty good results. Note that NVMe drives used in USB enclosures or the PS5 can't use HMB. I think many people massively overstate the need for DRAM, especially with NVMe drives. Plenty of people would be happy with a DRAM-less (inherently HMB-less) SATA drive for their OS.

The pSLC cache is a write cache. It allows a limited amount of data to be quickly written to the drive. Virtually all modern consumer drives have this (whether they have DRAM or not), though the implementation can vary. Once the cache is full, write speeds drop substantially. The drop is much larger on QLC drives. The Samsung 990 EVO Plus can maintain roughly ~1.5GB/s post-pSLC. The Samsung 990 Pro is virtually the same. There are some other TLC drives that can do a bit better. On the other hand, there are QLC drives that won't even be able to maintain 100MB/s.

Just to add, this drive is more than enough for the vast majority of users and uses.
Quote
from HakonPCA

https://api-web.slickdeals.net/images/misc/backlink.gif


:


Does dram still help? I thought SLC pretty much equaled or surpassed dram speed? Or is it just for really big files it still helps? Thanks





Dram helps mostly to look up where the files are on the drive. There may also be some caching for small files recently accessed etc.

The dram-less drives cache these in system ram. Big files almost never benefit from cache because they are writing in a stream. The cache is not helpful unless the other side is writing too quickly.

None of these are an issue for this drive and the higher end WD dram-less ssds because they are too damn fast to miss caching.

. In a laptop or pc, you will not miss the cache.

107 Comments

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Feb 25, 2025
825 Posts
Joined Apr 2006
Feb 25, 2025
Corporate Thug
Feb 25, 2025
825 Posts
Great deal. I was looking for a name brand m2 for PS5 and jumped on this.
3
Feb 26, 2025
320 Posts
Joined Apr 2008

This comment has been rated as unhelpful by Slickdeals users.

Feb 26, 2025
313 Posts
Joined Aug 2006
Feb 26, 2025
HakonPCA
Feb 26, 2025
313 Posts
Quote from sr27 :
Great deal even without dram
Does dram still help? I thought SLC pretty much equaled or surpassed dram speed? Or is it just for really big files it still helps? Thanks
1
Feb 26, 2025
320 Posts
Joined Apr 2008
Feb 26, 2025
sr27
Feb 26, 2025
320 Posts

Our community has rated this post as helpful. If you agree, why not thank sr27

Quote
from HakonPCA




:


Does dram still help? I thought SLC pretty much equaled or surpassed dram speed? Or is it just for really big files it still helps? Thanks





Dram helps mostly to look up where the files are on the drive. There may also be some caching for small files recently accessed etc.

The dram-less drives cache these in system ram. Big files almost never benefit from cache because they are writing in a stream. The cache is not helpful unless the other side is writing too quickly.

None of these are an issue for this drive and the higher end WD dram-less ssds because they are too damn fast to miss caching.

. In a laptop or pc, you will not miss the cache.
1
Feb 26, 2025
1,414 Posts
Joined Jun 2021
Feb 26, 2025
Hawaiiana
Feb 26, 2025
1,414 Posts
Damn it!!! What's the difference between this and the one ins Staples?!?
Feb 26, 2025
635 Posts
Joined Oct 2007
Feb 26, 2025
slickdealer_123
Feb 26, 2025
635 Posts
What's the difference between this and Staple 990 pro and walmart wd for 109?
Feb 26, 2025
349 Posts
Joined Aug 2011

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Feb 26, 2025
926 Posts
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Feb 26, 2025
edgarwong
Feb 26, 2025
926 Posts

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Quote from Hawaiiana :
Damn it!!! What's the difference between this and the one ins Staples?!?
Dram on the pro at Staples
1
Feb 26, 2025
9 Posts
Joined Feb 2015
Feb 26, 2025
drespecki
Feb 26, 2025
9 Posts
How is this one for heat without a heatsink? I have a mini pc and it is sort of sensitive to the high heat...
1
Feb 26, 2025
235 Posts
Joined Sep 2023
Feb 26, 2025
FancyMint8485
Feb 26, 2025
235 Posts
Quote from slickdealer_123 :
What's the difference between this and Staple 990 pro and walmart wd for 109?
Staples seems to be ditching the Pro line and replacing them with the Evo Plus.
Feb 26, 2025
920 Posts
Joined Jul 2008
Feb 26, 2025
fantasylin
Feb 26, 2025
920 Posts
Quote from FancyMint8485 :
Staples seems to be ditching the Pro line and replacing them with the Evo Plus.
Staples price is so inflated, do they price match with any other retailers?
Feb 26, 2025
2,078 Posts
Joined Oct 2011
Feb 26, 2025
MWink
Feb 26, 2025
2,078 Posts

Our community has rated this post as helpful. If you agree, why not thank MWink

Quote from PH3N1X :
Good for storage drive into install games not windows drive
It is absolutely fine for a Windows drive.

Quote from HakonPCA :
Does dram still help? I thought SLC pretty much equaled or surpassed dram speed? Or is it just for really big files it still helps? Thanks
DRAM and the pSLC cache serve totally different purposes. DRAM primarily stores a copy of the mapping table (FTL). It mostly helps with random I/O performance and slightly reduces write amplification. DRAM-less NVMe drives usually have HMB, which allows a small amount of system memory to be used to help compensate for the lack of DRAM. It's not as good as having a large amount of onboard DRAM but it still yields pretty good results. Note that NVMe drives used in USB enclosures or the PS5 can't use HMB. I think many people massively overstate the need for DRAM, especially with NVMe drives. Plenty of people would be happy with a DRAM-less (inherently HMB-less) SATA drive for their OS.

The pSLC cache is a write cache. It allows a limited amount of data to be quickly written to the drive. Virtually all modern consumer drives have this (whether they have DRAM or not), though the implementation can vary. Once the cache is full, write speeds drop substantially. The drop is much larger on QLC drives. The Samsung 990 EVO Plus can maintain roughly ~1.5GB/s post-pSLC. The Samsung 990 Pro is virtually the same. There are some other TLC drives that can do a bit better. On the other hand, there are QLC drives that won't even be able to maintain 100MB/s.

Just to add, this drive is more than enough for the vast majority of users and uses.
6
Feb 26, 2025
349 Posts
Joined Aug 2011
Feb 26, 2025
PH3N1X
Feb 26, 2025
349 Posts
Thanks for the info
4
Pro
Feb 26, 2025
1,002 Posts
Joined Jun 2011
Feb 26, 2025
Cheapskate27
Pro
Feb 26, 2025
1,002 Posts
This or the Pro for an external Thunderbolt 4 drive for a M4 Mac Mini?
Last edited by Cheapskate27 February 25, 2025 at 09:05 PM.

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Feb 26, 2025
522 Posts
Joined Dec 2008
Feb 26, 2025
axd1152
Feb 26, 2025
522 Posts
Quote from Cheapskate27 :
This or the Pro for an external Thunderbolt 4 drive for a M4 Mac Mini?
Definitely the pro one.
2
1

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