Sabrent Rocket Q 4TB Review – All the SSD You’ll Ever Need

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If you want a single SSD to be all the storage you’ll ever need, nothing seems like a better option than this Sabrent Rocket Q. I have the 4TB one, but you can get 8TB if you’d rather, and it’s damn impressive. It’s got some flaws, but on the whole a very impressive drive. So, lets run you through it. 

How can Sabrent squeeze up to 8TB of space onto something so tiny? Well, the short answer is, it’s in the name. “Q”. That means it uses the slower, less durable, but much more storage dense QLC or Quad Level Cell flash, instead of the three bit flash you’d find on most SSDs right now. 

QLC isn’t as durable, hence this 4TB drive having a write endurance rating of just 960TBW which for a 4TB is relatively low. However, it’s important to know that to reach that rating, you would have to rewrite the entire capacity every day for 240 days to reach that limit. In the real world most people using this as their main OS, games or work drive would never come close to that.

So, what about performance? Well, Sabrent have crammed apparently up to ¼ of the drive’s capacity as SLC, single bit flash, to keep that nice and high. What that means is for this 4TB drive, you have to write pretty much 1TB all in one go before you lose any of the 3GB/s performance this thing offers. In my read & writes stress test, I was able to write pretty much exactly 1TB of files before it slowed down – although boy does it. It averaged over 1GB/s for the first terabyte which is a good result, but as soon as the cache filled up it was down to 180MB/s. 

Like I said, to get to that point, you need to write around 1TB of files all at once, which doesn’t happen often. When the cache is empty, performance is spectacular. Looking at the synthetic tests, it was consistently at or near 3GB/s for writes, and up to 3.4GB/s on reads. 

Temperatures stayed relatively low too, even after writing over a terabyte to it, it reported as being around 72°c, a few degrees lower than the 75 that would make it start thermal throttling. That was without any heatsinks, so with good airflow and a heatsink on there it should do pretty well.

But, of course, all this speed and capacity comes at a price. The hole it’ll leave in your wallet. This thing costs £670, or £1400 for the 8TB model, which is more than most people’s entire systems. You can get the 1TB one for a much more reasonable £110 though, but if you want the all SSD, single SSD, lyfe, then that’s the price you’ll have to pay.

This is a fantastic drive. Sure it’s got some edge cases where it’s not as great, but I don’t know of another drive I’d as easily recommend if someone wanted a single SSD PC. Yes, it’s expensive, but hopefully as the tech becomes more common it’ll come down in price too. 

  • TechteamGB Score
4.5