Top Surface Laptop Ultra with RTX Spark and 128GB memory sells out

Microsoft's listing shows the Surface Laptop Ultra with RTX Spark, 128GB unified memory and a 1TB SSD at $5,899.99 as out of stock. Demand is tied to CUDA support and the ability to run up to 120B-parameter models locally with a 1M-token context window.

• Top Surface Laptop Ultra config costs $5,899.99 and is out of stock
• RTX Spark offers 128GB unified memory shared between CPU and GPU
• Nvidia claims support for 120B models with 1M-token context
• Memory bandwidth is 273GB/s versus 614GB/s on M5 Max