- Chinese company DapuStor builds high capacity ultra-fast enterprise SSDs
- Its 1-DWPD Roealsen6 R6101 7.68TB SSD seriously impressed in a new review
- An “engineering masterpiece,” the SSD delivered record read speeds
DapuStor is a Chinese start-up specializing in the development and manufacturing of enterprise-grade SSDs – and although you’ve possibly never heard of it, it makes very large – and very fast – storage products.
At the start of 2025, TweakTown tested DapuStor’s J5060 61.44TB SSD against a number of enterprise SSDs, including Solidigm’s same size beast, and came away impressed with the drive’s superior read performance, declaring it to be “the most efficient SSD of its capacity point currently in circulation”. A new 122.88TB version of that SSD has been spotted online, and we look forward to seeing how it compares.
Before that, however, TweakTown managed to get its hands on another DapuStor product, the Roealsen6 R6101 7.68TB Enterprise SSD. It may not be anywhere near as big as the J5060, but – spoiler alert – it is incredibly fast.
An engineering masterpiece
Introducing the new drive, TweakTown says, “The new SSD is built on DapuStor’s in-house developed DP800 controller and firmware. The new series features a PCIe 5.0 interface and 3D eTLC NAND Flash. Supporting the NVMe 2.0 protocol, it delivers twice the performance of PCIe 4.0 SSDs.”
The 1-DWPD (1 Drive Write Per Day) SSD proved to offer blistering performance in the tests that TweakTown put it through, leading the site to declare the Roealsen6 R6101 7.68TB PCIe Gen5 x4 U.2 SSD to be an “engineering masterpiece”, scoring it 100% for performance, quality, features and overall.
In summing up his findings, TweakTown’s Senior Hardware Editor Jon Coulter gushed, “The drive delivers a record breaking 3.62 million 4K random read IOPS at QD512. This is a whopping 10% more than anything we’ve encountered previously. Additionally, its 14,600 MB/s sequential read throughput is right up there with the best of them, as is its over 11,000 MB/s sequential write throughput.”
That level of throughput alone would be impressive, but it’s only part of the story.
“Then there is its mixed workload prowess where our 1-DWPD test subject delivers more than anything in its class at queue depths of up to 64. Its mixed workload performance is so good that it can hang in with 3-DWPD SSDs at queue depths of up to 16. And finally, as perfectly illustrated by our preconditioning charts, the R6101 7.68TB delivers QOS that is as good as we’ve ever seen,” Coulter concluded.
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waynewilliams@onmail.com (Wayne Williams)
