A40 PCIe

Ampere NVIDIA A-Series Data Center Server GDDR6 2020 NVIDIA

Key Metrics

Launch Date: 2020-10-05
CUDA Cores: 10,752
Memory: 48 GB GDDR6
Memory Bandwidth: 695.8 GB/s
TDP/TBP: 300 W
Interface: PCIe 4.0 x16

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GPU Specs

Identity
Entry Type	Data Center GPU
Official Name	NVIDIA A40 PCIe
GPU Codename	GA102
Architecture	Ampere
Launch Date	2020-10-05
Market Segment Notes	Data Center in NVIDIA A-Series
Core Specs
GPU Die	GA102
Chip Variant / Package	BGA-3328
Process Node	Samsung 8 nm
Transistor Count	28.3 billion
Die Size	628 mm²
CUDA Cores	10752
SM Count	84
TMUs	336
ROPs	112
AI Units / Tensor Cores	336
RT Units / RT Cores	84
Base Clock	1,305 MHz
Boost Clock	1,740 MHz
Pixel Fillrate	194.9 GP/s
Texture Fillrate	584.6 GT/s
FP32 Throughput	37.42 TFLOPS
FP16 Throughput	37.42 TFLOPS
FP64 Throughput	0.58 TFLOPS
Memory
Memory Size	48 GB
Memory Type	GDDR6
Memory Bus Width	384-bit
Memory Clock	1,812 MHz
Memory Bandwidth	695.8 GB/s
L2 Cache	6 MB
L1 Cache	128 KB
Board and Display
TDP / TBP	300 W
Recommended PSU	700 W
Power Connectors	1x 8-pin CPU (EPS-12V)
Interface	PCIe 4.0 x16
Display Outputs	3x DisplayPort 1.4a
Slot Width	Dual-slot, 267 mm length
Card Length	267 mm
Board Partner Model	Reference or OEM specification
Reference Design	NVIDIA reference design
Software
CUDA Compute Capability	8.6
Shader Model	6.8
DirectX Support	DirectX 12.2
Vulkan Support	Vulkan 1.4
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 3.0

Why It Mattered

A40 PCIe is a NVIDIA A-Series accelerator from the Ampere generation. Its historical context is data-center deployment rather than gaming, so form factor, memory capacity, interconnect, virtualization features, and server compatibility are the details that make this entry useful.

Sources

Primary / manufacturer sources

NVIDIA A40 GPU Accelerator product brief PB-09976-001 v08Official memory, interface, total board power, and connector specificationsOpen source

Independent reference sources

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

Reference databases

RightNow GPU DatabaseOpen GPU database used to cross-check specifications A reference database: good for cross-checking specifications, but not proof of the original release details on its own.Open source

Why It Mattered

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Primary / manufacturer sources

Independent reference sources

Reference databases