I'm considering getting a 2TB SSD specifically for storing games. I have an NVMe slot available, but I'd prefer not to replace it for my 4060 upgrade, especially since I'm planning to build a new PC in the next few months. I've come across mixed opinions about the necessity of DRAM caches. Some say they benefit read operations while others say they help with both read and write tasks. I'm leaning towards the WD Blue if having DRAM is worthwhile, but if not, I'll probably go for the Crucial BX500 instead.
4 Answers
You really want a DRAM cache for SATA SSDs. It's crucial for both performance and drive longevity. The DRAM itself doesn't store your data but it keeps track of where everything is and helps optimize operations. Without it, the SSD has to use slower NAND flash, which can impact both speed and lifespan.
For 2.5" SSDs like the BX500, DRAM is pretty much essential. Without it, I've seen performance drop to HDD-like speeds after only transferring a small amount of data. If you're on a budget, consider getting an M.2 NVMe SSD instead, as they often come with HMB, providing some benefits of DRAM.
Having a DRAM cache is definitely beneficial, especially for lengthy read/write tasks. It helps maintain speed when transferring large files, preventing the slowdown that can happen without it.
In general, any kind of NAND cache is better than not having one. For file transfers, it reduces the chances of performance lag, especially with TLC and QLC memory types due to their architecture.
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