ProductNVIDIA® A40 GPU Computing Accelerator - 48GB GDDR6 - PCIe 4.0 x16 - Passive CoolingNVIDIA® L40 ADA GPU Computing Accelerator - 48GB GDDR6 - PCIe 4.0 x16 - Passive CoolingNVIDIA® L40S ADA GPU Computing Accelerator - 48GB GDDR6 - PCIe 4.0 x16 - Passive Cooling
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Main Specifications
Product Series Nvidia A40Nvidia L40Nvidia L40S
Core Type NVIDIA TENSORNVIDIA TENSORNVIDIA TENSOR
Host Interface PCI Express 4.0 x16PCI Express 4.0 x16PCI Express 4.0 x16
GPU Architecture AmpereAda LovelaceAda Lovelace
Detailed Specifications
Streaming Processor Cores 10752 CUDA Cores18,176
NVIDIA Tensor Cores 336 Tensor Cores568 | Gen 4
NVIDIA RT Cores 84 RT Cores142 | Gen 3
Memory Interface 384-bit
Memory Speeds (GT/s) 14.5Gbps GDDR6
Max Memory Size 48 GB GDDR6 with error-correcting code (ECC)48 GB GDDR6 with ECC48GB GDDR6 with ECC
Max Memory Bandwidth 696 GB/s864 GB/s
INT8 Tensor Core 733 teraFLOPS
TF32 Tensor Core 183 teraFLOPS
FP32 91.6 teraFLOPS
Peak BFLOAT16 Tensor Core 362.05 teraFLOPS
Peak FP16 Tensor Core 362.05 teraFLOPS
Peak FP8 Tensor Core 733 teraFLOPS
Peak INT4 Tensor Core 733 teraFLOPS
Total NVLink Bandwidth NVIDIA NVLink 112.5 GB/s (bidirectional) PCIe Gen4 16 GB/sNot supported
Multi-Instance GPUs No
vGPU Software Support NVIDIA vPC/vApps, NVIDIA RTX Virtual Workstation (vWS)
NVENC | NVDEC 3x | 3x (Includes AV1 Encode & Decode)3x l 3x (includes AV1 encode and decode)
Secure Boot with Root of Trust YesYes
NEBS Ready Yes / Level 3Level 3
DisplayPort Connectors 3x DisplayPort 1.4
A40 is configured for virtualization by default with physical display connectors disabled. The display outputs can be enabled via management software tools.
4x DP 1.4a4x DisplayPort 1.4a
Cooling PassivePassivePassive
Dual Slot 2-slot Low-profileYes
Dimensions 4.4" (H) x 10.5" (L)4.4" (H) x 10.5" (L)4.4" (H) x 10.5" (L)
Form Factor PCIe
Lithography Samsung 8nm
Supplementary Power Connectors 1x 8-pin CPU (EPS12V)1x 16-pin PCIe CEM51x 16-pin
Max Graphics Card Power (W) 300W300W350W
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