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NVIDIA RTX PRO 4000 Blackwell 24GB
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Overview
The RTX PRO 4000 Blackwell is NVIDIA's single-slot professional card: 8,960 CUDA cores, fifth-generation Tensor Cores and 24GB of GDDR7 with ECC on a 192-bit bus, for 672 GB/s. It fits workstations that cannot take a dual-slot card and runs NVIDIA's certified RTX PRO drivers.
It draws 140W through one 16-pin connector, and its blower pushes heat out of the case, so several cards can sit side by side. The card is 241 mm long with four DisplayPort 2.1b outputs and a PCIe 5.0 x16 interface. The pictured card is NVIDIA's design as sold by PNY (VCNRTXPRO4000B-PB).
For local AI, 24GB holds a 32B model at 4-bit with a moderate context, which 16GB gaming cards cannot, and it runs the full CUDA software stack. In DEVELOP3D's tests it was 1.7 times faster than the RTX 4000 Ada in V-Ray and 2.6 times faster in Twinmotion.
Specifications
| GPU architecture | NVIDIA Blackwell |
|---|---|
| CUDA cores | 8,960 |
| Tensor Cores | Fifth generation |
| Memory | 24GB GDDR7 with ECC, 192-bit |
| Memory bandwidth | 672 GB/s |
| PCIe | PCIe 5.0 x16 |
| Board power | 140W (NVIDIA datasheet and PNY) |
|---|---|
| Power connector | 1x 16-pin |
| Cooling | Blower, exhausts out of the case |
| Size | 241 mm, single slot |
| Display outputs | 4x DisplayPort 2.1b |
|---|---|
| Drivers | NVIDIA RTX PRO certified drivers |
| Pictured card | NVIDIA RTX PRO 4000 Blackwell by PNY (VCNRTXPRO4000B-PB) |
Questions and answers
Still unsure? Visit the help center or message us.
What power supply does the RTX PRO 4000 need?
It draws 140W through one 16-pin connector. Any quality workstation supply with a 16-pin (12V-2x6) cable, or the adapter supplied with the card, will run it.
Will it fit a slim workstation?
It is a full-height, single-slot card 241 mm long. It fits most towers and many compact workstations, but not low-profile-only systems.
RTX PRO 4000 or a gaming card for local AI?
Gaming cards such as the RTX 5070 Ti give more speed per dollar but stop at 16GB. The PRO 4000 has 24GB with ECC, a single-slot blower for dense builds and certified drivers; choose it for 32B-class models or multi-GPU workstations.
Which local AI models fit in 24GB of VRAM?
Roughly, 32B models at 4-bit with a moderate context, or 14B models at 8-bit. A 70B model at 4-bit needs about 40GB, so it takes two cards.
Which version of the RTX PRO 4000 will I receive?
RTX PRO cards are built to NVIDIA's design and sold through partners such as PNY, so the card is the same design whichever distributor supplies it.
Pairs well with
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