I am building a PC for 3D lighting and rendering. I currently have two choices for SSD
WD Blue SN550 NVMe SSD 500 GB
Crucial P2 3D NAND NVMe PCIe M.2 SSD 500 GB
When checking the comparisons of these two models anywhere online, the WD model has better rating and user reviews. It is cheaper than the other too. But I just read that the WD SN550 is DRAM-less which I really don't know how exactly it will affect my works. Please enlighten me on that.
Edit: here is my complete build list if needed
DRAM is high-speed memory, like the RAM in your computer. Most SSDs have had on-board RAM that acts as a cache, because of a weird quirk in the way NAND flash works.
You can’t write just one byte to an SSD. You have to read a whole block, erase that entire block, then re-write the whole block.
Most SSDs use on-board RAM primarily to speed up writes. They can cache a big chunk of data to be written and then go through the whole painful read/erase/write an entire chunk in the most efficient way possible.
DRAM-less SSDs are ultra-cheap SSDs for people without a lot of money. They cost less (RAM chips ain’t cheap) but their performance, especially when writing data, is poor.
Don’t get me wrong, they’re still miles faster than old-fashioned spinning rust. They’re just way slower than the same SSD with on-board RAM. --COPIEDID: gq3yxe9
I got your point. But I am not planning to spend more than 5500 rs on SSD for now. So when comparing the 2 models I have mentioned in the post which are almost on the same price range, do you think its worth spending the extra on P2 over SN550 just for the DRAM? Especially when the sequential read and write performance as claimed in their respective official website is way better for SN550 than P2
Edit: any suggestions on better SSD options at that price range would be helpful too
Get Kingston a2000 which has a dram cache.ID: gq496oo
Thanks for the suggestion. But when I checked, the. A2000 has slight differences in sequential read and write performance and a huge gap in 4KB random right performance when compared to SN550. Almost all the article I checked prefer the performance of SN550 over A2000.
For ex: Kingston A2000 vs Western Digital Blue SN550: Which is Best Value? (Please check their verdict)
So I am still a bit confused what really matters for my main type of use (lighting and rendering), those read and write values and benchmarks or solely the DRAM even if it's not preferred over its competitor?
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Here is the analysis for the Amazon product reviews:
Name: Western Digital WD Blue NVME SN550 500GB M.2 2280 PCIe Gen3 Internal Solid State Drive (WDS500G2B0C)
Company: Visit the Western Digital Store
Amazon Product Rating: 4.6
Fakespot Reviews Grade: C
Adjusted Fakespot Rating: 3.0
Analysis Performed at: 02-22-2021
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Best way out for your solution would be to get the A2000 so you can have the piece of mind (and sometimes faster write speeds) of having DRAM and at the same time have an nvme ssd fast enough you wouldn’t be able to tell a difference between it and SN550.
Also the differences in performance you are talking about are way too minor and won’t be as noticeable while regular usage and games and stuff.
Note : I’m not sure about it but have heard that DRAMLESS SSDs tend to be less durable comparatively. Take it with a pinch of salt tho might not be that accurate
I have the WD Blue SN550 NVMe SSD. I use it along with Crucial MX500 SATA SSD (it has DRAM) in a dual boot system. WD one runs Linux and the Crucial one runs Windows. Honestly, I can't notice a difference between these two in regular usage but while copying files, WD SN550 is almost 3-4 times faster than the Crucial MX500 even though the former lacks DRAM.
Hey it depends on the trade-off between load and render times. If render times take away a majority of your schedule then I would suggest redirecting your money to more or faster ram.
I believe rendering workloads generally require 32 to 64 GB of ram for smooth operation.