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Huawei Launches 122TB SSD Using Innovative DoB Packaging
๐กHigh-density storage is critical for LLM training; Huawei's new DoB tech offers a unique path for AI infrastructure.
โก 30-Second TL;DR
What Changed
Huawei's DoB (Die-on-Board) technology enables high-density storage breakthroughs.
Why It Matters
This development provides a critical domestic alternative for high-density storage in AI data centers, mitigating the impact of international technology supply chain restrictions.
What To Do Next
Evaluate the feasibility of integrating high-density DoB storage solutions into your local AI training clusters to optimize data throughput.
Who should care:Developers & AI Engineers
Key Points
- โขHuawei's DoB (Die-on-Board) technology enables high-density storage breakthroughs.
- โขMass production of 61.44TB and 122.88TB SSDs is currently underway.
- โขA 245TB version is currently in the planning stages for future AI infrastructure.
๐ง Deep Insight
Web-grounded analysis with 9 cited sources.
๐ Enhanced Key Takeaways
- โขHuawei's Die-on-Board (DoB) technology is a strategic response to US semiconductor restrictions, enabling the company to produce high-density SSDs without access to advanced 100+ layer 3D NAND from mainstream global suppliers.
- โขDoB is a wafer-level packaging method that directly mounts NAND dies onto a PCB, achieving a 33% improvement in capacity density compared to conventional TSOP or BGA packaging, and enhancing performance and power efficiency through shorter interconnects.
- โขThe new high-capacity SSDs are already integrated into Huawei's OceanStor Pacific 9926 AFA scale-out storage systems, utilizing OceanDisk QLC PCIe Gen4 SSDs, demonstrating immediate application in enterprise solutions.
- โขHuawei is reportedly leveraging Chinese-made NAND from suppliers like YMTC, whose Xtacking 4.0 3D NAND is currently limited to 232 layers, making DoB crucial for overcoming this density disadvantage against global leaders.
- โขThe 122TB capacity positions Huawei's SSDs among the highest-density enterprise storage products available globally, allowing them to rival solutions deployed by Western hyperscalers in AI data centers despite ongoing sanctions.
๐ Competitor Analysisโธ Show
| Feature/Company | Huawei (DoB SSD) | Solidigm | Samsung | Kioxia | Seagate |
|---|---|---|---|---|---|
| Max Capacity (announced/available) | 122.88TB (in production), 245TB (planned) | 122.88TB (D5-P5336), 245TB+ (planned by end 2026) | Up to 30.72TB (PM1743), 8TB (9100 Pro) | 245TB (being tested by hyperscalers) | Up to 30.72TB (Nytro 5060) |
| Key Technology | Die-on-Board (DoB) packaging | V-NAND (Solidigm D5-P5336) | 400-layer NAND (mass production), targeting 1,000 layers by 2030 | BiCS FLASH (LC9 Series) | PCIe Gen5 interface |
| Interface | PCIe Gen4 (OceanDisk QLC) | PCIe Gen4 (D5-P5336) | PCIe Gen5 (PM1743), PCIe Gen6 (PM1763 planned) | Not specified for 245TB, but generally PCIe NVMe | PCIe Gen5 (Nytro 5060) |
| Capacity Density Improvement | 33% via DoB | Not specified | Not specified | Not specified | Not specified |
| Performance (Sequential Read/Write) | Not publicly disclosed | Up to 6,800 MB/s read, 2,600 MB/s write (D5-P5336) | Up to 13,000MB/s read, 10,000MB/s write (PM1743) | Not publicly disclosed | Up to 13,000MB/s read, 10,000MB/s write (Nytro 5060) |
| Pricing | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed |
๐ ๏ธ Technical Deep Dive
- DoB (Die-on-Board) Technology: A proprietary wafer-level packaging method where semiconductor dies, specifically NAND dies, are mounted directly onto a base Printed Circuit Board (PCB).
- Sanctions Circumvention: This technology was developed to overcome restrictions on Huawei's access to advanced, high-layer-count 3D NAND chips from foreign suppliers, which are often based on US technology.
- Density Enhancement: DoB enables more flexible die stacking and shorter interconnects, resulting in a 33% improvement in capacity density compared to traditional packaging methods like TSOP (Thin Small Outline Package) or BGA (Ball Grid Array).
- NAND Flash Source: Huawei is reportedly utilizing Chinese-made NAND, such as YMTC's Xtacking 4.0 3D NAND, which currently offers up to 232 layers, a lower density than leading global manufacturers. DoB compensates for this layer-count disadvantage.
- Performance and Efficiency: The shorter interconnects facilitated by DoB are noted to improve both performance and power efficiency.
- Current Deployment: The DoB-packaged SSDs are already integrated into Huawei's OceanStor Pacific 9926 All-Flash Array (AFA) scale-out storage systems, paired with OceanDisk QLC (Quad-Level Cell) PCIe Gen4 SSDs.
- Future Development: A 245TB version, identified as the LC560 AI SSD, is in the planning stages. This future drive is designed with a 36-layer stacking process and aims for a bandwidth of 14.7GB/s, integrating an AI acceleration unit directly into the controller for simultaneous storage and computing capabilities.
- Engineering Challenges: Huawei successfully addressed challenges related to thermal management and signal integrity inherent in direct die mounting.
๐ฎ Future ImplicationsAI analysis grounded in cited sources
Huawei's packaging innovation will significantly accelerate China's self-sufficiency in high-density storage for AI data centers.
By circumventing restrictions on advanced NAND, DoB technology allows Huawei to meet domestic AI data center demands with homegrown solutions, reducing reliance on foreign suppliers.
The success of DoB packaging could inspire similar technological workarounds in other restricted semiconductor sectors, such as AI compute.
If packaging innovation can effectively offset process-node restrictions for storage, it sets a precedent for reducing dependence on foreign technology in critical areas like GPUs and AI accelerators.
The global enterprise storage market dynamics will experience a shift, with increased competition from Chinese suppliers in the high-capacity SSD segment.
Huawei's ability to produce 122TB SSDs positions it as a significant player, potentially altering established supply chain assumptions and market shares, particularly in regions prioritizing technological independence.
โณ Timeline
2010-00
Huawei storage team developed the industry's first batch of enterprise-grade SSDs.
2016-00
Huawei released its first batch of Tier 1 all-flash storage with extensive enterprise-grade features.
2018-00
Huawei released full-series NVMe all-flash storage to further reduce latency.
2019-05
The U.S. Department of Commerce added Huawei to its Entity List, restricting access to U.S.-origin technology.
2026-05
Huawei unveils 61.44TB and 122.88TB SSDs using proprietary Die-on-Board (DoB) packaging technology.
๐ Sources (9)
Factual claims are grounded in the sources below. Forward-looking analysis is AI-generated interpretation.
๐ฐ
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