Class 40 vs class 35 SSD

D

DonKing

n00b
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Dec 17, 2016
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I have been offered both class 40 and 35 ssd and don't know which one to buy. However the class 40 come with a slight increase in price. My question is will class 40 ssd really add any performance above the class 35 ssd?
 
First off, for those confused by SSD class, this is a Dell rating system that didn't even make much sense in 2015 when it was created. Both are NVMe drives: 35 has no DRAM, 40 does.

Now, Don, how much are these going to cost you, what are their models, and what system (CPU/MB) are you going to put them in? What would you be doing with it? Based on the class specifications, both are likely to be ancient in terms of speed (and possibly actual age) and easily outmatched by current NVMe offerings available at very reasonable prices.
 
Grebuloner said:
First off, for those confused by SSD class, this is a Dell rating system that didn't even make much sense in 2015 when it was created. Both are NVMe drives: 35 has no DRAM, 40 does.
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Never heard of these classes until just now. I've never seen this kind of rating in product descriptions on The Egg or Amazon. Does anyone else besides Dell use them?
 
philb2 said:
Never heard of these classes until just now. I've never seen this kind of rating in product descriptions on The Egg or Amazon. Does anyone else besides Dell use them?
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Not that I could find. Most of the non-Dell source info I found was from obscure blogs and "WTF is this?" forum questions.
 
pendragon1 said:
(y) never even heard of that.



op, get one with ram.
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Me either. Though most of the Dell stuff I've worked with is commercial and not consumer.
Grebuloner said:
First off, for those confused by SSD class, this is a Dell rating system that didn't even make much sense in 2015 when it was created. Both are NVMe drives: 35 has no DRAM, 40 does.
Click to expand...
It sounds worse than Cyrix and AMD's Performance Rating scheme in the 1990's and early 2000's.
 
Grebuloner said:
First off, for those confused by SSD class, this is a Dell rating system that didn't even make much sense in 2015 when it was created. Both are NVMe drives: 35 has no DRAM, 40 does.

Now, Don, how much are these going to cost you, what are their models, and what system (CPU/MB) are you going to put them in? What would you be doing with it? Based on the class specifications, both are likely to be ancient in terms of speed (and possibly actual age) and easily outmatched by current NVMe offerings available at very reasonable prices.
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He said he pulled the class 40 out of a dell precision 5530 and the class 35 out of an XPS laptop. He is asking $80 for class 35 and $120 for class 40.
 
Grebuloner said:
Unless those are 2TB+ units, and even then, I think you will be far better served by passing and buying brand new retail.
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Makes sense for me to buy 2TB for same price and new than to buy that. I initially thought the classes was in reference to read write.
 
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