Monday, October 14, 2024

Sabrent Rocket Q NVMe SSD: 8TB is a beautiful thing

Date:

Sabrent’s 8TB Rocket Q caps a few weeks of mind-blowing news for NVMe SSDs. It seems like only yesterday when 2TB was the largest-capacity NVMe SSD, or any SSD for that matter. Actually, when I started this article it was yesterday. Now we have the 4TB OWC Aura P12, and the 8TB Rocket Q.

If you just did a double-take, welcome to the club. While a bit dazed, I soldiered on and tested Sabrent’s super-capacious beastie. Guess how it felt not having to worry about running out of space!

This review is part of PCWorld’s ongoing roundup of the best SSDs. Go there for information on competing products and how we tested them. 

Specs and details

The 8TB Rocket Q we tested is $1,500 from Amazon, but don’t despair: Smaller capacities start with 500GB ($70 from Amazon) and run through 1TB ($120 on Amazon), 2TB ($250 on Amazon), and 4TB ($720 on Amazon). Yes, you pay well beyond the cost of the additional NAND for the two larger capacities. Such is life. 

The Q in Rocket Q stands for QLC (Quad-Level Cell/4-bit) NAND, which is put through its paces by a Phison E12S NVMe controller. There’s 16GB of DRAM cache on board, and up to 25 percent of the NAND may be employed as SLC cache, writing only one bit rather than four. With the 8TB drive I tested, that’s a whopping 2TB available for cache!

The Rocket Q is the standard M.2 2280 (22 mm wide, 80 mm long) form factor and is x4 PCIe 3. Note that with QLC NAND on both sides it may not fit into some super-thin laptops or devices.The warranty lasts for five years from the time you register the drive, and drives are rated for 120TBW for every 500GB of capacity. Not a particularly high rating, but modern wear-leveling generally means the drive should last far longer than the warranty. 

Performance

The Rocket Q delivered top-notch performance. However, that’s partly because I reviewed the big dog with 8TB, meaning that a lot of the QLC can be treated as SLC (again, 25 percent, according to Sabrent), writing only one bit instead of four. 

A shout-out to Sabrent for being extremely up-front about the differences in performance according to capacity. It’s spelled out in detail on the Rocket Q product page. Sustained transfers will drop significantly once primary cache is exhausted, and that will happen sooner in the lower capacities. However, if Sabrent is consistent across all capacities with 25-percent cache, then even the 500GB model should ace our 48GB single file write test. I did not have that drive to test.

Enough of the warnings, I had the 8TB on hand, and as you can see from the charts below, it was a pretty sweet experience. (Sabrent Rocket Q is the black bar in the next two charts.)

Ebenezer Robbins
Ebenezer Robbins
Introvert. Beer guru. Communicator. Travel fanatic. Web advocate. Certified alcohol geek. Tv buff. Subtly charming internet aficionado.

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