Kioxia vs SK Hynix
Relationship
Kioxia Holdings' own Annual Securities Report (FY ended March 2026), p.101 -- explicitly calls SK Hynix 'a competitor of the Group.' STRONGEST TIER.
2 of 2 capabilities — Shares AI compute hardware and memory.
Ludbee capability tags · from the product recordsShared product type — Both ship hardware.
Ludbee product recordsSame scale band — Both large-cap.
Ludbee scale bands · from valuation and funding figuresNamed in filing — “SK Hynix Inc., a competitor of the Group, holds convertible bonds...As SK Hynix Inc. is in a competitive relationship with the Group...”
kioxia-holdings.com · checked 2026-09-18Buy data-centre AI compute — Rivals on this job — Equip a data centre to train and serve models — accelerators bought as chips, cards, servers or rack systems, or rented as dedicated cloud capacity.
Ludbee needs vocabulary · the scope on the sourced edgeBuy high-bandwidth memory — Rivals on this job — Source the stacked memory an accelerator design packages beside its compute dies.
Ludbee needs vocabulary · the scope on the sourced edgeAligned comparison
Capability overlap
Shared · 2
Not verified for Kioxia · 2
Recorded for SK Hynix. Kioxia’s product records say nothing either way — a missing record is not a missing capability.
Kioxia has no capability SK Hynix lacks, among the 2 recorded here.
Products, side by side
Hand-checked pairing
Kioxia
Hardware
Read-intensive PCIe 5.0 NVMe 2.0 enterprise SSD series (1.92TB-30.72TB, 2.5-inch and E3.S) for which Kioxia lists artificial intelligence and machine learning among the key applications.
Mixed-use PCIe 5.0 NVMe 2.0 enterprise SSD series (1.6TB-12.8TB, 2.5-inch and E3.S) for which Kioxia lists artificial intelligence and machine learning among the key applications.
Read-intensive PCIe 5.0 NVMe 2.0 enterprise SSD series (1.92TB-61.44TB, 2.5-inch and E3.S) for which Kioxia lists artificial intelligence and machine learning among the key applications.
PCIe 5.0 enterprise NVMe SSD line built on Kioxia's 8th-generation BiCS FLASH memory, used as high-throughput storage for AI training and inference data pipelines.
High-capacity PCIe 5.0 NVMe 2.0 enterprise SSD series (30.72TB-122.88TB across 2.5-inch, E3.L and E3.S) that Kioxia positions for LLM training, RAG inference and data-lake storage in AI systems.
E1.S PCIe 5.0 NVMe data-centre SSD series (1.92TB-15.36TB) with direct liquid-cooling support, announced by Kioxia on 2026-07-29 for accelerator-dense AI server infrastructure, with no catalogue page or availability date published yet.
SK Hynix
Hardware
CXL 2.0 memory module that expands and pools DDR5 capacity and bandwidth beyond the CPU's own channels for AI and high-performance computing servers, with a 96GB version through customer validation and a 128GB 1bnm version following.
Fourth-generation high-bandwidth memory that vertically stacks up to 12 DRAM layers for 36GB at 9.6Gbps, sold to GPU and AI accelerator makers for AI server packages.
Fifth-generation high-bandwidth memory with 2,048 I/O terminals and over 10Gbps operating speed, roughly doubling HBM3E bandwidth for next-generation AI accelerators.
PCIe Gen5 enterprise SSD series in E1.S form factor with in-house ASIC and V8 4D NAND, power-optimised for AI servers and NVIDIA RVL-qualified for GB200 -- one model shipping today, PEB110 (1,920-7,680GB, 20W, mass production).
PCIe Gen5 enterprise SSD series with in-house ASIC and V7 4D NAND for high-performance datacenter workloads, supporting up to 16TB in U.2/3 and the newer E3.S form factor -- two models shipping today, PS1010 and PS1030.
192GB LPDDR5X-based low-power memory module built on the 1cnm process and designed as main memory for AI servers, delivering over double the bandwidth of conventional RDIMM at over 75% better power efficiency.