NIST is conducting a combined sources sought notice and notice of intent to sole source for one fast digitizer system for its Photonics and Optomechanics Group, with detailed technical requirements including high-speed analog I/O, internal storage, 80 Gbps streaming, Python and hardware-description-language programmability, and rack-mount integration. The government intends to award solely to Liquid Instruments US if no alternative sources are identified. Interested parties must respond via email with company identification, product specifications, customization limits, manufacturing country, business size, pricing, references, and related commercial terms, with responses limited to 10 pages.