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Flopper.io GPU Specification Sheet

NVIDIA GB300 Grace Blackwell Ultra Superchip 252GB

Blackwell Ultra Superchip 2025 4nm

Overview

80.0
FP32 TFLOPS
252 GB
VRAM HBM3e
7.1 TB/s
Memory Bandwidth
TDP

Performance Metrics

PrecisionPeak TFLOPSBitsType
FP65000.0Standard
FP85000.08Standard
FP410000.04Standard
FP162500.016Standard
BF162500.016Standard
TF321250.032Standard
FP3280.032Standard
FP641.364Standard

Memory Specifications

Capacity
252 GB
Type
HBM3e
Bandwidth
7.1 TB/s
Interface Width

Power & Efficiency

TDP
Est. Max Power
FP32 Efficiency
FP16 Efficiency

Hardware Details

Vendor: NVIDIA
Architecture: Blackwell Ultra
Process Node: 4nm
Form Factor: Superchip
Launch Year: 2025
Variant: Grace Blackwell Ultra Superchip 252GB

Interconnect

GPU-to-GPU: NVLink-C2C
Bandwidth: 900 GB/s