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Mysterious 88-core AMD CPU surfaces on eBay, and here's why I think it's the start of something big

December 11, 2025 5 min read views
Mysterious 88-core AMD CPU surfaces on eBay, and here's why I think it's the start of something big
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Mysterious 88-core AMD CPU surfaces on eBay, and here's why I think it's the start of something big News By Efosa Udinmwen published 11 December 2025

These units saw real workloads before decommissioning

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88-core AMD CPU (Image credit: eBay)
  • Decommissioned hyperscale hardware is surfacing online with unusual speed and scale
  • Non-binary core counts point to customized silicon tailored for specialized workloads
  • DDR4 reliance suggests these systems were not aligned with current memory roadmaps

A set of AMD EPYC 9D64 processors with 88 cores has been spotted on eBay, raising questions about their source and intended lifecycle.

These units do not follow the typical binary core configurations usually associated with server-class parts, and their availability in small quantities suggests that they did not pass through official retail channels.

Listings show both brand-new and pre-owned units, yet none come from recognized distributors, which implies they came from a specialized data center rather than being released for general sale.

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Non-standard specifications and possible origins

The presence of 88 cores and other non-binary configurations, such as 126 cores, points toward custom deployments.

The EPYC 9D64 and 9D32 families use DDR4 memory rather than the more recent DDR5 platforms, which places them within a very specific operational window.

The associated Zen4-based Genoa series dates back to 2022, meaning these processors are relatively recent and unlikely to reach end-of-life organically.

Their arrival in online marketplaces in noticeable numbers suggests that hyperscale operators may have decommissioned entire racks or clusters in a coordinated refresh cycle.

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This aligns with broader patterns of cloud optimization, where fleet-wide upgrades begin to improve performance uniformity or energy efficiency.

The continued reliance on DDR4 modules in these systems makes it plausible that large volumes of RAM have been recovered alongside the processors.

Some industry observers expect such memory to be repurposed with emerging CXL-based architectures to ease supply constraints in the current RAM shortage.

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This idea remains speculative, yet the economic pressure created by rising memory prices creates a rational motivation.

If large operators truly offloaded these components in bulk, the associated RAM could represent a resource pool for secondary deployment.

They may eventually support a shift toward memory-centric infrastructure strategies.

One publicly shared benchmark places the EPYC 9D64 at a RandomX runtime of 24.376 seconds for a one-megahash workload, producing around 41,000 hashes per second across its cores.

The data is two years old, yet it shows that these processors ran in real systems rather than being engineering samples or experimental prototypes.

The combination of recent production dates, non-standard specifications, and early retirement invites further scrutiny, since it suggests an unusual turnover rate for hardware of this class.

This pattern may reflect a structural shift in how hyperscalers manage compute fleets, particularly if rapid refresh cycles and high-volume component recovery become routine practices.

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Efosa UdinmwenEfosa UdinmwenFreelance Journalist

Efosa has been writing about technology for over 7 years, initially driven by curiosity but now fueled by a strong passion for the field. He holds both a Master's and a PhD in sciences, which provided him with a solid foundation in analytical thinking.

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