Innogrit introduces four new NVMe SSD controllers to the public.
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The long term goal of this company is to pursue the enterprise storage market.
However, this company starts from a DRAMless client SSD controller: the IG5208 Shasta.
This SSD controller is already in mass production with full turnkey reference SSD designs available.
Afterward, the company will enlarge the controllers with more advanced features sets: Shasta+, Rainier and Tacoma.
They are low-cost mainstream solutions.
The Shasta SSD controller has two PCIe 3 lanes and the Shasta+ controller has four.
Thus, the latter consequently has higher performance.
However, they are quite similar indeed.
Both of them have 28nm design and use the NVMe Host Memory Buffer feature but not include DRAM controllers.
Additionally, these two controllers are small enough to be packaged in the single-chip BGA SSDs.
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End-to-end data path protection is also included in the controllers.
They also support Power management appropriate for the client and embedded use.
The NVMe Boot Partition feature is also supported for embedded systems that dont include a separate boot ROM unit.
Rainier Controller
The Rainier controller is a significant generational advance over the Shasta family.
It targets the high-end client and entry-level datacenter markets.
Then, the sequential read and write speeds of the drive can be up to 7GB/s and 6.1GB/s respectively.
It also has some enterprise-oriented features such as multiple namespace support and SR-IOV virtualization.
It still supports client-oriented power management with idle states for 50mW and less than 2mW.
Tacoma Controller
The Tacoma controller is the most powerful controller from the company currently.
