TurboVS
Nvidia RTX Pro 4000 Blackwell SFF Edition specifications and in-depth review

Nvidia RTX Pro 4000 Blackwell SFF Edition

Manufacturer: Nvidia

The Nvidia RTX Pro 4000 Blackwell SFF Edition is a compact professional graphics card designed around Nvidia's Blackwell architecture, fabricated on a 5nm process with 45,600 million transistors. Built for workstation environments where space and power efficiency matter, it operates within a 70W Thermal Design Power envelope while still delivering a meaningful level of compute capability through its 8,960 shading units and boost clock reaching 1,337 MHz.

On the memory side, the card is equipped with 24GB of GDDR7 VRAM across a 192-bit bus, achieving an effective memory speed of 18,000 MHz and a maximum bandwidth of 432 GB/s, with ECC support included. It supports DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3.0, ray tracing, and DLSS, alongside Intel Resizable BAR. Display connectivity is handled exclusively through four mini DisplayPort outputs, and the card connects to the host system via PCIe 5.0, measuring 167.6 mm wide and 68.6 mm tall.

Pros
  • 24GB of GDDR7 VRAM with a 432 GB/s bandwidth ceiling gives the card substantial headroom for memory-intensive workstation tasks
  • ECC memory support helps protect data integrity during long compute sessions
  • The 70W TDP allows this card to fit into small form factor systems where power delivery is constrained
  • Four mini DisplayPort outputs enable multi-monitor setups without requiring any adapters beyond the port format itself
  • Double Precision Floating Point (DPFP) support makes the card viable for numerically demanding compute workloads
  • Ray tracing and DLSS support are included, broadening the range of rendering workflows the card can handle
Cons
  • No HDMI, standard DisplayPort, USB-C, or DVI outputs means users must rely entirely on mini DisplayPort adapters or compatible monitors
  • The 192-bit memory bus width is narrower than what some professional-class cards in this category offer, which may limit peak throughput in bandwidth-saturated scenarios
  • Air-water cooling is not supported, limiting thermal management options to whatever solution is built into the card
  • No RGB lighting, which may matter for users in specific chassis or display environments where visual customization is expected
  • The base clock of 790 MHz is relatively modest, with performance depending heavily on sustained turbo frequency conditions
Who is this for?

This card is well-suited to workstation users who need to run compute-intensive professional applications that benefit from DPFP support, ECC memory, and a substantial 24GB GDDR7 VRAM pool. Its 70W TDP and compact SFF form factor make it a practical fit for small form factor workstations where thermal and power budgets are tight, without sacrificing access to ray tracing, DLSS, or multi-display output across up to four screens. Users working in fields that demand reliable data integrity during long processing sessions — such as scientific computing or precision rendering — will find the ECC support and 432 GB/s memory bandwidth particularly relevant to their workflows.

Who is this NOT for?

Users looking for a card with flexible display connectivity will find this card limiting, as it relies entirely on mini DisplayPort outputs with no HDMI, USB-C, or standard DisplayPort available — making it a poor fit for environments that depend on those interfaces without adapters. The 192-bit memory bus and 70W power envelope also mean this card is not well-matched to workloads that demand the absolute highest memory throughput or sustained peak compute throughput over extended periods. Additionally, enthusiasts or professionals who require custom thermal solutions such as air-water hybrid cooling will find no support for that here, which could be a drawback in thermally constrained or high-ambient-temperature deployments.

Performance:

GPU clock speed 790 MHz
GPU turbo 1337 MHz
pixel rate 128.4 GPixel/s
floating-point performance 23.96 TFLOPS
texture rate 374.4 GTexels/s
GPU memory speed 1125 MHz
shading units 8960
texture mapping units (TMUs) 280
render output units (ROPs) 96
Has Double Precision Floating Point (DPFP) ✓

The Performance section of the Nvidia RTX Pro 4000 Blackwell SFF Edition centers on a base GPU clock of 790 MHz with a turbo frequency reaching 1,337 MHz, supported by 8,960 shading units, 280 texture mapping units, and 96 render output units. These combine to yield a texture rate of 374.4 GTexels/s and a pixel rate of 128.4 GPixel/s, while floating-point performance is rated at 23.96 TFLOPS. GPU memory operates at 1,125 MHz, and the card includes support for Double Precision Floating Point (DPFP), making it suited for compute workloads that require high numerical precision.

Memory:

effective memory speed 18000 MHz
maximum memory bandwidth 432 GB/s
VRAM 24GB
GDDR version GDDR7
memory bus width 192-bit
Supports ECC memory ✓

The Nvidia RTX Pro 4000 Blackwell SFF Edition features 24GB of GDDR7 VRAM running at an effective speed of 18,000 MHz across a 192-bit memory bus, delivering a maximum memory bandwidth of 432 GB/s. The card also supports ECC memory, which helps maintain data integrity in compute-sensitive and professional workloads.

Features:

DirectX version DirectX 12 Ultimate
OpenGL version 4.6
OpenCL version 3
Supports multi-display technology ✓
supports ray tracing ✓
Supports 3D ✓
supports DLSS ✓
has XeSS (XMX) ✕
AMD SAM / Intel Resizable BAR Intel Resizable BAR
has LHR ✕
has RGB lighting ✕

The Nvidia RTX Pro 4000 Blackwell SFF Edition supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, covering a broad range of graphics and compute APIs. It includes ray tracing, DLSS, stereoscopic 3D, and multi-display support, while also implementing Intel Resizable BAR for improved CPU-to-GPU data throughput. XeSS (XMX), LHR, and RGB lighting are not present on this card.

Ports:

has an HDMI output ✕
DisplayPort outputs 0
USB-C ports 0
DVI outputs 0
mini DisplayPort outputs 4

The Nvidia RTX Pro 4000 Blackwell SFF Edition's display connectivity is handled entirely through four mini DisplayPort outputs, with no HDMI, standard DisplayPort, USB-C, or DVI outputs present on this card.

General info:

GPU architecture Blackwell
Thermal Design Power (TDP) 70W
PCI Express (PCIe) version 5
semiconductor size 5 nm
number of transistors 45600 million
Has air-water cooling ✕
width 167.6 mm
height 68.6 mm

The Nvidia RTX Pro 4000 Blackwell SFF Edition is built on the Blackwell architecture using a 5nm fabrication process with 45,600 million transistors, and connects to the host system via PCIe 5.0. It carries a 70W Thermal Design Power (TDP) rating and does not include air-water cooling. The card measures 167.6 mm in width and 68.6 mm in height.

Final Verdict

The Nvidia RTX Pro 4000 Blackwell SFF Edition occupies a well-defined niche as a compact professional graphics card that balances capable compute performance with strict power and space constraints. Its 24GB of GDDR7 VRAM backed by ECC support makes it a credible option for workstation users who prioritize memory capacity and data integrity over raw peak throughput. The 70W TDP and SFF dimensions speak directly to deployment environments where full-sized cards simply are not viable, and the inclusion of DPFP, ray tracing, and DLSS rounds out a feature set that extends beyond basic visualization work. Connectivity is limited to mini DisplayPort exclusively, and the narrower memory bus will not satisfy every professional use case, but for users whose workflows align with what this card offers, the RTX Pro 4000 Blackwell SFF Edition represents a coherent and well-targeted workstation solution.

Popular Comparisons

Nvidia RTX Pro 4000 Blackwell SFF Edition
Nvidia RTX Pro 4000 Blackwell SFF Edition
VS
Nvidia RTX Pro 4000 Blackwell
Nvidia RTX Pro 4000 Blackwell
Nvidia RTX Pro 4000 Blackwell SFF Edition
Nvidia RTX Pro 4000 Blackwell SFF Edition
VS
Gigabyte GeForce RTX 4080 Super Gaming
Gigabyte GeForce RTX 4080 Super Gaming
Nvidia RTX Pro 4000 Blackwell SFF Edition
Nvidia RTX Pro 4000 Blackwell SFF Edition
VS
MSI GeForce RTX 5060 Gaming
MSI GeForce RTX 5060 Gaming
Nvidia RTX Pro 4000 Blackwell SFF Edition
Nvidia RTX Pro 4000 Blackwell SFF Edition
VS
Nvidia RTX Pro 4500 Blackwell
Nvidia RTX Pro 4500 Blackwell