245TB Micron 6600 ION Data Center SSD Now Shipping

Original Article ↗ Hacker News Discussion ↗

Access and Availability of the Press Release

  • Some users hit “Access Denied” on Micron’s site, likely due to Akamai/CDN blocking or IP blocklists.
  • Others report no issues; archived copies and PDFs are shared as workarounds.

Form Factor, Cooling, and Power

  • Drive is E3.L / U.2-like “2.5-inch” enterprise form factor, up to 15mm height.
  • Estimated 30W TDP; likely multiple PCBs with NAND on both sides, thermally bonded to the chassis.
  • Density implies heavy forced-air cooling in packed servers, but 30W per 245TB is seen as excellent.

Capacity, Density, and Use Cases

  • Main value: extreme density and power efficiency, not peak speed.
  • Enables ~1PB in 4 drives in 1U; entire racks can reach tens of PB, changing database and storage-node sizing.
  • Hyperscalers are expected to deploy hundreds of thousands of such drives for AI training data, model weights, and large datasets.

Performance and QLC NAND Trade‑offs

  • Uses QLC NAND. Product brief lists ~13.7 GB/s sequential read and ~2.7–3 GB/s sequential write.
  • Sustained write speed is viewed as “weak” compared to consumer SSD peaks, but defenders note consumer drives rely on fragile caching and burst behavior.
  • Random IOPS (~40k at 4KB) are lower than many SATA/NVMe SSDs; drive is seen as optimized for large sequential workloads.

Endurance and Data Retention

  • Endurance is advertised in DWPD terms (~1 DWPD mentioned, others infer variants). Some consider DWPD marketing-speak without full context.
  • Concerns about QLC retention and unsuitability for long‑term unpowered cold storage; others argue datacenter workloads refresh data and use redundancy, so retention beyond a year or two unpowered is less relevant.

Pricing and “Enterprise” Premium

  • Speculative pricing ranges from ~$80k–90k per drive, with prior 122TB enterprise SSDs cited around $40k.
  • Enterprise SSDs from major vendors show extreme markups (examples of several thousand dollars for 3–4TB).
  • Explanations for the premium: density, power efficiency, endurance via spare capacity, sustained performance, PCIe-based form factor, power‑loss protection, out‑of‑band management, and simple “enterprise” price elasticity.

Impact on Consumer Storage and Market Dynamics

  • Multiple comments lament rising SSD/HDD prices and stalled consumer capacity growth, blaming AI demand.
  • Debate over whether this is normal supply–demand cyclicality, cartel‑like behavior, or broader “market failure.”
  • Consensus that AI datacenter demand is currently absorbing much of the NAND supply, keeping large consumer SSDs expensive.