Flopper.io GPU Specification Sheet
June 28, 2026
flopper.io/gpu/nvidia-b300-sxm-288gbNVIDIA B300 SXM 288GB
Official Blackwell Ultra SXM 2025 4nm
Overview
75.0
FP32 TFLOPS
288 GB
VRAM HBM3e
8.0 TB/s
Memory Bandwidth
1.4 kW
TDP
Performance Metrics
| Precision | Peak TFLOPS | Bits | Type |
|---|---|---|---|
| FP6 | 4500.0 | — | Standard |
| INT8 | 4500.0 | 8 | Standard |
| FP8 | 4500.0 | 8 | Standard |
| FP4 | 13500.0 | 4 | Standard |
| FP16 | 2250.0 | 16 | Standard |
| BF16 | 2250.0 | 16 | Standard |
| TF32 | 1125.0 | 32 | Standard |
| FP32 | 75.0 | 32 | Standard |
| FP64 | 1.3 | 64 | Standard |
Memory Specifications
- Capacity
- 288 GB
- Type
- HBM3e
- Bandwidth
- 8.0 TB/s
- Interface Width
- —
Power & Efficiency
- TDP
- 1.4 kW
- Est. Max Power
- 1.6 kW
- FP32 Efficiency
- 0.05 TFLOPS/W
- FP16 Efficiency
- 1.61 TFLOPS/W
Hardware Details
Vendor: NVIDIA
Architecture: Blackwell Ultra
Process Node: 4nm
Form Factor: SXM
Launch Year: 2025
Variant: SXM 288GB