A100 SXM4 40 GB

AmpereNVIDIA A-SeriesData CenterServerHBM22020NVIDIA

Key Metrics

Architecture
Ampere
Launch Date
2020-05-14
CUDA Cores
6,912
Memory
40 GB HBM2
Memory Bandwidth
1,560 GB/s
TDP/TBP
400 W
Interface
PCIe 4.0 x16
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Why It Mattered

A100 SXM4 40 GB matters because A100 was part of NVIDIA's Ampere data-center push into AI, HPC, analytics, and multi-instance GPU deployment. Tracking the PCIe, SXM, and memory variants separately helps readers avoid mixing very different server form factors.

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Previous in series: A100 PCIe 80 GBNext in series: A100 SXM4 80 GB
Sources

Sources reviewed: 2026-08-13

This entry is still being source-checked.

Data confidence and source status

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

  • Verified: core specifications and historical notes have been reviewed against listed sources.
  • Partial: core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.
  • Imported: spec-only imported entry pending editorial source review.
  • Needs source review: narrative notes are incomplete until reviewed.

Primary / manufacturer sources

  1. NVIDIA A100 Tensor Core GPU datasheetOfficial SXM memory and maximum TDP specificationsOpen source
  2. NVIDIA A100 Tensor Core GPU Architecture whitepaperOfficial A100 SXM4 memory interface specificationOpen source
  3. NVIDIA A100 launch press releaseOfficial 2020-05-14 production and shipping statementOpen source

Independent reference sources

  1. TechPowerUp GPU SpecsModel-level specification reference for this GPU entryOpen source

Derived datasets and spec dumps

  1. RightNow GPU DatabaseOpen data inventory used for bulk normalization and cross-checking Derived/spec-dump source. Treat as a reference dataset, not independent historical verification.Open source

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