RTX PRO 4000 Blackwell

Blackwell 2.0 NVIDIA RTX PRO Blackwell Series Desktop GDDR7 2025 NVIDIA

Key Metrics

Architecture: Blackwell 2.0
Launch Date: 2025-03-18
CUDA Cores: 8,960
Memory: 24 GB GDDR7
Memory Bandwidth: 672 GB/s
TDP/TBP: 145 W
Interface: PCIe 5.0 x16

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GPU Specs

Identity
Entry Type	Workstation GPU
Official Name	NVIDIA RTX PRO 4000 Blackwell
GPU Codename	GB203
Architecture	Blackwell 2.0
Launch Date	2025-03-18
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	1,230 MHz
Boost Clock	2,055 MHz
Pixel Fillrate	197.3 GP/s
Texture Fillrate	575.4 GT/s
FP32 Throughput	36.83 TFLOPS
FP16 Throughput	36.83 TFLOPS
FP64 Throughput	0.58 TFLOPS
Memory
Memory Size	24 GB
Memory Type	GDDR7
Memory Bus Width	192-bit
Memory Clock	1,750 MHz
Memory Bandwidth	672 GB/s
L2 Cache	48 MB
L1 Cache	128 KB
Board and Display
TDP / TBP	145 W
Recommended PSU	300 W
Power Connectors	1x PCIe CEM5 16-pin
Interface	PCIe 5.0 x16
Display Outputs	4x DisplayPort 2.1b
Slot Width	Single-slot, 241 mm length, 20 mm width
Card Length	241 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

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Why It Mattered

RTX PRO 4000 Blackwell 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

Sources reviewed: 2026-08-13

This entry is still being source-checked.

Source Status

Source review pending. Treat narrative notes as incomplete until listed sources are reviewed.

Data confidence and source status

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Verified: core specifications and historical notes have been reviewed against listed sources.
Partial: core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.
Imported: spec-only imported entry pending editorial source review.
Needs source review: narrative notes are incomplete until reviewed.

Primary / manufacturer sources

NVIDIA RTX PRO 4000 Blackwell datasheetOfficial memory, interface, board power, and connector specificationsOpen source
NVIDIA Blackwell RTX PRO Workstations and Servers for Agentic AIOfficial 2025-03-18 RTX PRO 5000, 4500, and 4000 introductionOpen source

Independent reference sources

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

Derived datasets and spec dumps

RightNow GPU DatabaseOpen data inventory used for bulk normalization and cross-checking Derived/spec-dump source. Treat as a reference dataset, not independent historical verification.Open source

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Why It Mattered

Used-Market Caution

RTX PRO 2000 Blackwell