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Dell EMC PowerEdge R750 Installation and Service Manual

GPU kit

The GPU FL and HL kits are available for the Customer. Depending on the kit ordered, the respective components are available.

CAUTION Do not install GPUs, network cards, or other PCIe devices on your system that are not validated and tested by Dell. Damage caused by unauthorized and invalidated hardware installation will null and void the system warranty.
WARNING Consumer-Grade GPU should not be installed or used in the Enterprise Server products.
Table 1. Components in the full length (FL) GPU kitThe table describes the components in the full length (FL) GPU kit.
Components GPU FL GOLD kit GPU FL SLVR kit
Details Quantity Details Quantity
Risers Riser configuration 2-1, 3-1¹, or 4-1 3 x FL risers (R1A or R1C, R4A) + 3 x HL risers (R2A, R3A, or R3B#) Riser configuration 2-1, 3-1¹, or 4-1 3 x FL risers (R1A or R1C, R4A) + 3x HL risers (R2A, R3A, or R3B#)
Shroud GPU shroud 1 GPU shroud 1
Fans GOLD HPR 6 SLVR HPR 6
Heat sinks T-type heat sink for processor 1 and processor 2 2 T-type heat sink for processor 1 and processor 2 2
Cables Power cable 2x (6+2)-pin power cables, 2 x 8-pin power cables Power cable 2x (6+2)-pin power cables, 2 x 8-pin power cables
Foam Mylar foam 1 Mylar foam 1
FL - Full Length, HL - Half Length, HPR - High Performance, SLVR - Silver
NOTE# The Riser R3B is shipped with the GPU FL kit, however riser R3B does not support GPU.
NOTE ¹ The configuration 3-1 supports GPU only on slots 2 and 7.
Table 2. Components in the half length (HL) GPU kitThe table describes the components in the half length (HL) GPU kit.
Components GPU HL GOLD kit GPU HL SLVR kit
Details Quantity Details Quantity
Risers Riser configuration 2-2 or 4-2 8 x HL risers (R1A or R1C, R2A, R3A, or R3B, R4A) Riser configuration 2-2 or 4-2 8 x HL risers (R1A or R1C, R2A, R3A, or R3B, R4A)
Shroud GPU shroud 1 GPU shroud 1
Fans GOLD HPR 6 SLVR HPR 6
Heat sinks T-type heat sink for processor 1 and processor 2 2 T-type heat sink for processor 1 and processor 2 2
Cables N/A 0 N/A 0
Foam Mylar foam 1 Mylar foam 1
HL - Half Length, HPR - High Performance, SLVR - Silver
NOTE * Refer to expansion card installation guidelines for more information on riser configuration supported for the system.

Before you begin, follow the safefy guidelines and before working inside the system instructions.

  1. Remove the standard cooling fans and install the High performance (silver grade) fan or high-performance (gold grade) fan cooling fans.
    NOTE Refer to the cooling fan and foam requirement matrix for the cooling fan and foam requirement for different configurations.
    Table 3. Cooling fan and foam requirement matrixThe table describes foam requirement for the system.
    System configuration Cooling fan Foam requirement
    w/GPU w/GPU + Barlow Pass DIMM w/GPU w/GPU + Barlow Pass DIMM
    8 x 2.5-inch NVMe HPR SLVR HPR GOLD No Yes
    16 x 2.5-inch SAS/SATA HPR GOLD HPR GOLD Yes Yes
    16 x 2.5-inch NVMe HPR GOLD HPR GOLD Yes Yes
    24 x 2.5-inch SAS/SATA HPR GOLD HPR GOLD Yes Yes
    16 x 2.5-inch SAS/SATA + 8 x 2.5-inch NVMe HPR GOLD HPR GOLD Yes Yes
    HPR - High Performance, SLVR - Silver
    NOTE For more information about supported cooling fans matrix, see the thermal restriction section in Dell EMC PowerEdge R750 Technical Specifications on the product documentation page.
    NOTE 12 x 3.5 inch and rear drive configuration systems do not support GPU card.
  2. Remove the heat sink and install the required t-type heat sink.
    NOTE All GPU cards require t-type heat sink and GPU shroud, irrespective of the length.
  3. Remove the air shroud and install the GPU air shroud.
  4. Remove the GPU air shroud top cover.
    NOTE The GPU air shroud top cover is part of the GPU air shroud.
  5. Remove the GPU air shroud filler.
  6. Install the GPU.
    NOTE See expansion card installation guidelines to know about risers and slots that support GPU.
    NOTE For information on riser slot location on the system board, see the System board jumpers and connectors topic.
  7. If applicable, connect the power cables to the GPU. To know the connectors for GPU on the system board, see the System board jumpers and connectors topic.

    Refer to the GPU power cable matrix to know about the requirement of cable for the GPU.

    Table 4. GPU power cable matrixThe tables describe GPU power cable that is required for the GPU installation.
    Category Description Type Vendor Cable Cable quantity
    GPU CRD,GRPHC,NVIDIA,T4, 16 GB, 70 W, L HH and HL (FH and LP brackets) NVIDIA Not required Not required
    GPU NVIDIA Volta Next 300 W DW GPU (A100)-Gen 4 FH and FL NVIDIA 8-pin cable 1 piece per GPU riser
    GPU Nvidia RTX-A40 FH and FL NVIDIA 8-pin cable 1 piece per GPU riser
    GPU CRD,GRPHC,32 GB, 225 W, M10, PASSIV FH and FL NVIDIA 6 + 2-pin cable 1 piece per GPU riser
    HH - Half Height, HL - Half Length, FH - Full Height, FL - Full Length
    NOTE Maximum of two double width GPUs with power cables or a maximum of eight single width GPUs are supported in a system.
  8. Install the full length expansion card riser or half height expansion card riser. See GPU kit components table for supported GPU risers.
  9. Install the GPU air shroud filler.
  10. Install the GPU air shroud top cover.
  11. Install the foam on the system cover. To install the foam,
    1. Place the system cover with the System Information Label (SIL) side facing up.
    2. For easier handling, peel off a small section of the adhesive cover and align the foam with the system cover.
    3. Remove rest of the adhesive cover, and install foam on the system cover.
    4. Press along the length of the foam to ensure that it is firmly affixed to the system cover.
      Figure 1. Installing Mylar foam on the system cover
      This image shows how to install Mylar foam on the system cover.

After installing, follow the After working inside the system instructions.


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