FMS 2020: Fadu Delta M.2, U.2 and E1.S Gen4 NVMe 1.4/PCIe Gen4 x 4 SSD With FC4121 Controller and 3D NAND Flash

Fadu Technology is a fabless start-up developing flash storage technology to meet the increasing storage demands placed on OEM and hyperscale data centers.

The company announced the Delta SSD Gen4 platform for next-gen flash-based storage.

It develops its flash-based storage technology around generational platforms. Each platform supports various SSDs that are powered by a proprietary flash memory controller which enables the company to deliver storage solutions with high KIO/s/W.

The SSD Gen4 Platform includes SSDs targeted at performance OEM servers, OEM storage with dual-port capability, hyperscalers with OCP Spec 1.0 compliance and E1.S form factor support, including all types of heat sinks, and edge with low-power capability.

The company’s Gen4 controller, the FC4121, powers the Delta SSDs and is the second RISC-V based flash memory controller, following FC3081 Gen3 flash memory controller. It is designed to take advantage of the NVMe 1.4a/PCIe Gen4 x 4 host interface and dual-port functionality. It’s designed to interface with low latency XL-flash, eTLC, cTLC and QLC flash memory. Like its predecessor, the FC4121 microcode is customizable, enabling NAND vendors with both floating gate and charge trap flash and OEMs to customize their designs for workloads and have customized telemetry to optimize their supply chain.

The firm’s architecture eliminates Thermal Design Power (TPD) issues that require other architectures to sacrifice performance by either under-powering or throttling back their storage devices. Delta SSDs deliver the performance, low power and high QoS needed for OEM server and storage and hyperscale cloud applications.

Delta SSDs

The initial Delta SSDs will support 3D eTLC in U.2 and E1.S form factors followed by support for cTLC and QLC and the addition of the M.2 form factor. These SSDs will initially support SK hynix Inc.‘s V6 NAND followed by others.

Delta E1.S SSD family

Delta U.2 SSDs are for OEM enterprise servers and storage applications while the Delta E1.S SSDs are for hyperscale and edge datacenters service cloud applications and storage. Both SSDs have performance and power (KIO/s/W) and are approximately double the performance of the Gen3 Bravo SSDs.

Among the Delta SSDs, Gen4 E1.S SSDs, the Delta E1.S SSDs are OCP Cloud Spec 1.0 Compliant/and are available with 9, 15, and 25mm heat sinks. The Delta Gen4 solution is being readied for OEM and NAND ES in 1Q21 and CS in 2Q21.

“The market for PCIe Gen4 SSDs is forecast to grow at a CAGR of 194% out to 2024e,” stated Greg Wong, president, Forward Insights. “Fadu’s Delta SSDs will accelerate the transition to PCIe Gen4 SSDs by OEMs and Cloud providers that must deliver high-performance, low power storage with exceptional, sustained QOS.“

Customization and supply
The company’s SSD designs are available to OEMs or can be customized to suit OEM specs. The firm offers its platforms in various ways, giving OEMs the flexibility to optimize their flash supply chain and mix-and-match NAND flash from qualified suppliers to smooth out supply fluctuations.

Turnkey: The company customizes the SSD design and controller firmware and the OEM manufactures their SSD. Finished firm’s components are ready to implement.
Private label: The company customizes the SSD design and controller firmware and manufactures completed, branded SSDs using the OEM’s consigned NAND flash. Finished SSDs are ready to sell, enabling

Resources:
Delta E1.SSD DS
Delta U.2 SSD DS
FC4121 SSD Controller DS
Video: Delta U.2 Introduction
Video: Delta E1.S SSD Introduction
Video: RoadMap
Video: RoadMap 2

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