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WD SN550 nvme 1TB $115 (ATL?)

  • Last Updated:
  • Sep 19th, 2021 2:39 pm
Member
Apr 1, 2012
380 posts
396 upvotes
Nova Scotia

[Amazon.ca] WD SN550 nvme 1TB $115 (ATL?)

I don't see this posted yet, and believe it is the ATL.

Also available at Canada Computers and Newegg (same price), or PM to Memory Express.

Unfortunately it appears WD have done some bait and switch (as with most SSD makers now), so there is no guarantee which specific version you will get.

For those wanting a cheap price/GB nvme drive, this could be the one. For those wanting higher performance, you can pay a bit more and get a faster drive (SN750 at $145 is a valid option...personal choice).
Last edited by RFDSimon on Sep 8th, 2021 2:10 pm, edited 1 time in total.
Reason: Updated link
Thread Summary
If you're looking for more options, check out RFD Reviews' list of the best SSDs for your devices!
105 replies
Member
Sep 29, 2014
450 posts
714 upvotes
Mississauga, ON
Is this good for a laptop? Any ideas on how much power this consumes?
Deal Expert
Feb 24, 2018
26945 posts
36802 upvotes
It's a good price, but component swaps are hitting WD PCIe 3.0 SSDs now.

Not innocuous either.
I aim to be inclusive and considerate of others in my posts. If I fall short of that mark, feel free to let me know in good faith, and where appropriate, I'll edit my posts. Thank you.
Deal Addict
Aug 19, 2013
1088 posts
1274 upvotes
the comments section in that same article seems to suggest even the SN750 was nerfed. Of course there's no solid proof yet but once a scammer, always a scammer probably applies here. They already tried to shove the SMR junk in NAS products.

There was even a RFD user here defending that SMR is great for NAS since no one ever RAIDs their NAS.
Deal Addict
Nov 18, 2017
3668 posts
2489 upvotes
Alberta
saudor wrote: the comments section in that same article seems to suggest even the SN750 was nerfed. Of course there's no solid proof yet but once a scammer, always a scammer probably applies here. They already tried to shove the SMR junk in NAS products.

There was even a RFD user here defending that SMR is great for NAS since no one ever RAIDs their NAS.
The bait and switch thing sucks but 99.9% of users of this SN550 wouldn't notice at all, so it's still a good price, if the 2TB was $230 that would be a for sure buy.
Deal Addict
Aug 21, 2007
3353 posts
3720 upvotes
Toronto
Just for context, this is what everyone's talking about -- WD has silently switched the components on this SSD, resulting in 50% speed reduction, but they didn't update the model numbers. So all benchmarks from various review sites are no longer valid for this version
https://www.theregister.com/2021/08/27/ ... omponents/
Public Mobile customer
Lucky Mobile customer
Deal Expert
Feb 24, 2018
26945 posts
36802 upvotes
SomeGuyNamedBob wrote: Just for context, this is what everyone's talking about -- WD has silently switched the components on this SSD, resulting in 50% speed reduction, but they didn't update the model numbers. So all benchmarks from various review sites are no longer valid for this version
https://www.theregister.com/2021/08/27/ ... omponents/
This is planned obsolescence in action.

You may see class actions resulting from this, against multiple makers.

We don't need PCIe 4.0 drives immediately, don't cripple your 3.0 drives to convince us otherwise.

The problem is now industry wide among almost all makers.

This is why God invented lawsuits.
I aim to be inclusive and considerate of others in my posts. If I fall short of that mark, feel free to let me know in good faith, and where appropriate, I'll edit my posts. Thank you.
Deal Addict
User avatar
Apr 12, 2012
2890 posts
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SomeGuyNamedBob wrote: Just for context, this is what everyone's talking about -- WD has silently switched the components on this SSD, resulting in 50% speed reduction, but they didn't update the model numbers. So all benchmarks from various review sites are no longer valid for this version
https://www.theregister.com/2021/08/27/ ... omponents/
How can we verify which one we got?
Deal Fanatic
Feb 16, 2006
5260 posts
2267 upvotes
Vancouver
My pre-built PC I picked up a week ago from Memory Express has a WD BLUE SN550 1B boot drive built June 30th 2021. I tested it with CrystalDiskMark and ATTO and it is right where I expected it to be.

As I understand how a boot drive works, I doubt it will ever handle a large file of the size that that is said to cause issues with the switched NAND - QLC in place of TLC. I've subsequently installed a Black SN750 2TB for my "working" drive where I will install as many apps and games as possible and also store new images that almost never get larger than 200M.

.
Deal Expert
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Dec 19, 2001
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Fernando Poo
How's it compare with the SN750 Black?
Welcome to the Minitrue FDs, Ficdep
Deal Fanatic
Feb 16, 2006
5260 posts
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hagbard wrote: How's it compare with the SN750 Black?
I just ran a 1GB file test on the SN750 and the results are VERY surprising. NOT what I expected.

I'll post some images later. Going to run an 8GB and 16GB test on both drives.

.
Jr. Member
Dec 30, 2010
100 posts
125 upvotes
North York
check SMART info, the original full speed version with firmware starts with 21; however, the new downgraded version with firmware starts with 23.
Deal Fanatic
Feb 16, 2006
5260 posts
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Oh....doh!!! :facepalm:

I forget I had not yet swapped the drives into the correct slots. The SN750 is is a PCIe3.0 slot. I should not have been surprised.

Going to swap slots and then retest. Maybe have images tomorrow.

.
Deal Addict
Sep 25, 2009
1140 posts
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NewsyL wrote: Oh....doh!!! :facepalm:

I forget I had not yet swapped the drives into the correct slots. The SN750 is is a PCIe3.0 slot. I should not have been surprised.

Going to swap slots and then retest. Maybe have images tomorrow.

.
SN750 is PCIe 3.0
SN850 is PCIe 4.0
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Mar 8, 2003
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Richmond Hill
If it's now DRAMless QLC drive, avoid by all means.
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Sep 19, 2017
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wlee wrote: If it's now DRAMless QLC drive, avoid by all means.
Just the fact that it's QLC has it off of my list of recommended drives. It's bad enough when the manufacturer changes controller and/or quality of storage chips, but when they go so far as to change the type of storage media that has effects that go far beyond a few benchmark points.

I've got a couple of 500GB SN550 drives for use as secondary storage (SN750 and Gammix boot drives) but that was based on the original model. I wouldn't purchase one of these unless it was closer to $90 to compensate for lower expectations from the current design.
Koodo 33GB UL T&T @ $48 (waiting on my tab to switch to a better/cheaper plan)
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Feb 16, 2006
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strikeraj wrote: SN750 is PCIe 3.0
SN850 is PCIe 4.0
Yes, you're right! I had originally planned to get an SN850 and went with the SN750 based on a review that showed good write speeds under load.

Too much going on here ATM with backing up the old system for transfer to the new system - my brain is all over the place.

Nutshell.... with a 1GB file:

SN550 reads at 2455 MB/s
SN750 reads at 3130 MB/s

SN550 writes at 1990 MB/s
SN750 writes at 1175 MB/s.


I'll still test the 8GB and 16GB file sizes later.

.
Deal Expert
Feb 24, 2018
26945 posts
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NewsyL wrote: Yes, you're right! I had originally planned to get an SN850 and went with the SN750 based on a review that showed good write speeds under load.

Too much going on here ATM with backing up the old system for transfer to the new system - my brain is all over the place.

Nutshell.... with a 1GB file:

SN550 reads at 2455 MB/s
SN750 reads at 3130 MB/s

SN550 writes at 1990 MB/s
SN750 writes at 1175 MB/s.

I'll still test the 8GB and 16GB file sizes later.
.
Those SN750 writes are troubling.

Thanks for sharing.
I aim to be inclusive and considerate of others in my posts. If I fall short of that mark, feel free to let me know in good faith, and where appropriate, I'll edit my posts. Thank you.
Deal Addict
Jan 1, 2018
1261 posts
2319 upvotes
Buy the sn750, or the sn850 if you have a gen 4 board.

These ssds have been messed with recently, I wouldn't support it.

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