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NVLink
NVLink

NVIDIA› offers NVLink

ProductOperating Status: Currently Offered

NVIDIA NVLink is a direct GPU-to-GPU interconnect for high-bandwidth communications across GPUs in AI training and inference clusters.

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Overview

NVIDIA NVLink is a proprietary scale-up interconnect designed to deliver high-bandwidth, low-latency GPU-to-GPU communications for accelerated computing. The sixth-generation implementation delivers 3.6 TB/s bidirectional throughput per GPU and uses NVLink Switch chips to create an all-to-all rack-scale fabric, supporting large-model parallelism and agentic AI workloads.

NVLink is positioned as a closed alternative to open scale-up fabrics such as Ultra Accelerator Link and vendor-neutral AI networking architectures.

NVLink - Classification

Industry
  • Semiconductor

NVLink - Direct Competitors

  • Advanced Micro Devices

    Advanced Micro Devices logo

    AMD Helios

    amd.com

  • Delos Data

    Delos Data logo

    Nonstop AI

    delosdata.com

  • Upscale AI

    Upscale AI logo

    SkyHammer

    upscale.com

AttributeNVLinkAMD HeliosNonstop AISkyHammer
ProviderNVIDIAnvidia.com24.1B raised · PublicAdvanced Micro Devicesamd.comPublicDelos Datadelosdata.comUpscale AIupscale.com490M raised · Series A
Founded19931969—2024
Sells ToConsumers, EnterpriseConsumers, EnterpriseEnterpriseEnterprise
Pricing ModelLicensing, Product Sales, SubscriptionSoftware, TransactionalPre-RevenueHardware
OwnershipPublicPublicPrivately HeldVenture-backed private company
NVLink

Provider NVIDIAnvidia.com24.1B raised · Public

Founded 1993

Sells To Consumers, Enterprise

Pricing Model Licensing, Product Sales, Subscription

Ownership Public

AMD Helios

Provider Advanced Micro Devicesamd.comPublic

Founded 1969

Sells To Consumers, Enterprise

Pricing Model Software, Transactional

Ownership Public

Nonstop AI

Provider Delos Datadelosdata.com

Founded —

Sells To Enterprise

Pricing Model Pre-Revenue

Ownership Privately Held

SkyHammer

Provider Upscale AIupscale.com490M raised · Series A

Founded 2024

Sells To Enterprise

Pricing Model Hardware

Ownership Venture-backed private company

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