NVIDIA

NVIDIA RTX PRO 4000 Blackwell SFF

Expert rating7.7 / 10

GPU Brand:: NVIDIA
VRAM:: 24GB GDDR7
Memory Type:: GDDR7
TDP:: 70W

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Manufacturer: NVIDIA Last updated: 2026-09-12

NVIDIA RTX PRO 4000 Blackwell SFF Review

If you're specing a small form factor or 1U workstation and need the NVIDIA RTX PRO 4000 Blackwell SFF, it's the low-profile, low-power variant of the RTX PRO 4000 Blackwell built for space- and power-constrained systems.

It uses the same 8,960 CUDA core GPU and 24GB of GDDR7 as the full-size RTX PRO 4000 Blackwell, but in a shorter, low-profile card capped at 70W and powered entirely through the PCIe slot, making it one of the few 24GB professional GPUs that fits SFF and compact tower builds.

Performance & Use Case

It handles CAD viewports and light-to-moderate AI inference well within its 24GB frame buffer, though the reduced power target and narrower PCIe link mean it trails the full-size card in sustained compute-heavy tasks. It's built for engineers and designers who need a full 24GB professional GPU inside SFF desktops, 1U/2U workstations, or thin tower systems where a standard dual-slot card won't fit.

Comparison to Alternatives

Against the standard NVIDIA RTX PRO 4000 Blackwell (nvidia-rtx-pro-4000-blackwell), the SFF variant shares identical CUDA core count and VRAM but runs at half the power (70W vs 140W) and a shorter card length, trading some clock speed and bandwidth (PCIe 5.0 x8 vs x16) for compatibility with genuinely tiny chassis. Against the AMD Radeon PRO W7700 (amd-radeon-pro-w7700), a similarly positioned mid-range workstation card, the RTX PRO 4000 Blackwell SFF offers more VRAM and far lower power draw, though the W7700 remains a full-height, full-power card with more raw compute.

Specifications

Platform

GPU Brand	NVIDIA
Board Partner	NVIDIA Reference (workstation, no AIB partners)

Identity and type

Series	RTX PRO Blackwell
Tier	Mainstream

Performance

VRAM	24 GB
Memory Type	GDDR7
Boost Clock	2130 MHz
Ray Tracing Support	Yes

Physical & Power

TDP	70 W
Card Length	169 mm
Slot Width	1

Silicon

Architecture	Blackwell
Process Node	TSMC 4N
Shader Units	8960

Memory

Memory Bus Width	192 bit
Memory Bandwidth	672 GB/s

Power

Recommended PSU	320 W
Power Connector	None (slot powered)

Host interface

PCIe Generation	PCIe 5.0 x8

Market and workstation

MSRP	1450 USD
Launch Date	2025-04

Base / Game Clock	1400 MHz
Display Outputs	4x Mini DisplayPort 2.1b
Media Engine	4x NVENC (9th gen), 4x NVDEC, AV1 encode/decode

Expert Review

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating7.7 / 10

A genuinely useful niche card - the only realistic way to get 24GB of workstation VRAM into a truly small chassis.

Best for

small form factor and compact tower CAD workstations
1U/2U rackmount workstation builds
power-constrained systems needing 24GB VRAM

Not for

gaming
heavy sustained compute or large-model AI training
buyers who can fit a full-size card instead

FAQs

What are the key specifications of the NVIDIA RTX PRO 4000 Blackwell SFF?

The NVIDIA RTX PRO 4000 Blackwell SFF is a graphics card from NVIDIA. Key specs: GPU Brand NVIDIA, Tier Mainstream, Board Partner NVIDIA Reference (workstation, no AIB partners), VRAM 24GB GDDR7, Memory Type GDDR7.

Who is the NVIDIA RTX PRO 4000 Blackwell SFF best suited to?

It suits small form factor and compact tower cad workstations, 1u/2u rackmount workstation builds, power-constrained systems needing 24gb vram.

What are the drawbacks of the NVIDIA RTX PRO 4000 Blackwell SFF?

It is a poor fit for gaming, heavy sustained compute or large-model ai training, buyers who can fit a full-size card instead.