- Four DapuStor Roealsen6 R6060 drives now offer a full petabyte of storage
- Read speeds remain solid while write limitations become more apparent
- Fewer physical drives reduce rack space, power consumption, and overall infrastructure complexity.
Projections made in 2025 that SSD capacities could reach around 246TB by the end of 2025 are now coming to fruition, and DapuStor’s latest drive lives up to expectations.
The DapuStor Roealsen6 R6060 offers 245.76 TB of capacity in a single E1.L form factor and continues the “doubling trend” from 61.44 TB to 122.88 TB and now almost 256 TB equivalent.
This scale means that only four such drives are needed to achieve one petabyte of storage, greatly altering the way data centers approach physical space and infrastructure planning.
Article continues below.
Petabyte-scale storage with fewer drives
The drive is based on PCIe Gen5 connectivity and a 16-channel controller, achieving sequential read performance of up to 14,000 MB/s and approximately 2.1 million IOPS for random reads.
These figures align closely with the measured results, suggesting that the advertised specifications are not exaggerated in this case.
However, the architecture relies on eQLC NAND and limited integrated DRAM, introducing trade-offs that become more visible as capacity increases.
This SSD is compatible with systems like Ubuntu, Windows Server, and VMware ESXi, meaning it targets deployment in large-scale environments rather than individual use.
The Roealsen6 R6060 is designed primarily for read-intensive workloads and this design choice shapes its overall behavior.
Sequential read performance slightly exceeds official figures, reaching over 14,000 MB/s during testing, while sequential write speeds remain around 3,600 MB/s.
Random read operations also perform strongly, particularly in 4K and 8K workloads, where the drive operates close to its nominal limits.
Write performance, however, does not scale in the same way. As capacity increases, the indirect address unit grows, reducing both endurance and write efficiency.
This limitation is recognized within the broader category of QLC-based enterprise storage, where fast recovery takes priority over sustained write-heavy operations.
As a result, workloads involving frequent random writes are not the intended use case and their performance appears comparatively limited.
Despite the density of the E1.L form factor, thermal behavior remains relatively controlled under sustained workloads.
Tests show maximum temperatures of approximately 51°C using air cooling, suggesting that cooling requirements are manageable even under continuous stress conditions.
This is notable because compact enterprise drives often face thermal challenges that impact stability and consistency of performance.
Since the high-capacity drive reduces the number of physical drives needed in a rack, the total power consumption per petabyte will be lower, reducing cost.
The R6060 reflects a shift in enterprise storage priorities, where capacity and retrieval speed are more critical than balanced performance across workloads.
Through TweakTown
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