RTX PRO 4000 Blackwell SFF

Blackwell 2.0 NVIDIA RTX PRO Blackwell Series Desktop GDDR7 2025 NVIDIA

Key Metrics

Launch Date: 2025-08-11
CUDA Cores: 8,960
Memory: 24 GB GDDR7
Memory Bandwidth: 432 GB/s
TDP/TBP: 70 W
Interface: PCIe 5.0 x8

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GPU Specs

Identity
Entry Type	Workstation GPU
Official Name	NVIDIA RTX PRO 4000 Blackwell SFF
GPU Codename	GB203
Architecture	Blackwell 2.0
Launch Date	2025-08-11
Market Segment Notes	Desktop in NVIDIA RTX PRO Blackwell Series
Core Specs
GPU Die	GB203
Process Node	TSMC 5 nm
Transistor Count	45.6 billion
Die Size	378 mm²
CUDA Cores	8960
SM Count	70
TMUs	280
ROPs	96
AI Units / Tensor Cores	280
RT Units / RT Cores	70
Base Clock	577 MHz
Boost Clock	1,432 MHz
Pixel Fillrate	137.5 GP/s
Texture Fillrate	401 GT/s
FP32 Throughput	25.66 TFLOPS
FP16 Throughput	25.66 TFLOPS
FP64 Throughput	0.4 TFLOPS
Memory
Memory Size	24 GB
Memory Type	GDDR7
Memory Bus Width	192-bit
Memory Clock	1,125 MHz
Memory Bandwidth	432 GB/s
L2 Cache	48 MB
L1 Cache	128 KB
Board and Display
TDP / TBP	70 W
Recommended PSU	250 W
Power Connectors	None
Interface	PCIe 5.0 x8
Display Outputs	4x mini-DisplayPort 2.1b
Slot Width	Dual-slot, 167 mm length, 40 mm width
Card Length	167 mm
Board Partner Model	Reference or OEM specification
Reference Design	NVIDIA reference design
Software
CUDA Compute Capability	12.0
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

RTX PRO 4000 Blackwell SFF represents the professional side of NVIDIA RTX PRO Blackwell Series and the Blackwell 2.0 generation around 2025. Certified-driver workflows, VRAM configuration, display outputs, and OEM workstation compatibility are the main historical reasons to track it separately from consumer GeForce models.

Used-Market Caution

Before buying used, confirm bracket height, display adapters, mini-DP or DMS breakout cables, fan condition, VRAM errors, driver branch support, OEM firmware quirks, and whether the card needs workstation-specific airflow or auxiliary power.

Sources

Primary / manufacturer sources

NVIDIA RTX PRO 4000 Blackwell SFF datasheetOfficial memory, interface, and board power specificationsOpen source
NVIDIA Blackwell Architecture Powers AI Acceleration in Compact WorkstationsOfficial August 11, 2025 introduction of the desktop RTX PRO 4000 Blackwell SFF Edition and RTX PRO 2000 BlackwellOpen 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

Used-Market Caution

RTX PRO 2000 Blackwell