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zoryn (@z0rynx) “NVIDIA packed 128GB of unified memory into a 1.13L box called DGX Spark. Kevin t” — TopicDigg

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zoryn
@z0rynx
加入 June 2026
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NVIDIA packed 128GB of unified memory into a 1.13L box called DGX Spark. Kevin tore one apart today. Inside: a GB10 Superchip. 20 ARM cores. NVLink fusing CPU and GPU into 1 shared pool. Models that need a rack now fit in something smaller than a wine bottle. Then the weak spot. NVIDIA shipped it with a 2242 SSD. Tiny stick. Poor performance. Not rated for these workloads. A 2280 slot would have cost them nothing. But look closer at the board. 2 ports. 200 gig each. The NIC shrunk to a fraction of a normal card. That changes the math. Skip the bad SSD. Run NVMe over fabrics to a real data center early tests already pulled 100 gig, with drivers still raw. Or cable 2 Sparks straight into each other: 256GB of unified memory across both, shard the model with vLLM, done. Now scale it. Hang a stack of them on a 200-gig switch. Full bandwidth per unit. Data center storage behind them. The weak drive stops mattering. People used to rack trays of Mac Minis. The next tray holds a data center.
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