Current Configuration

(List below serves as quick links to each section)

Select Chassis

Select Processor

Memory

SSD 2.5" U.2 NVMe (G4) Drives

E1.S NVMe (G5) Drives

Boot Optimized Storage Subsystem (BOSS-N1)

GPU

Open Compute Program (OCP) 3.0

Networking (PCIe NIC / DPU)

Rail Kit

iDRAC10

ECS Warranty

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Dell PowerEdge XE9785L Rack Server | Configurable

 

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Select Chassis

3 OU DLC compute node for the IR7044 / IR7050 (IR7000) rack
Choose 16 x E1.S or 8 x U.2 NVMe

Select Processor

Requires 2 Processors. You can not mix CPUs

AMD EPYC 9005 Series

Memory

Supports up to 24 DIMMs on a 2 Socket Configuration
12 DIMMs Per CPU

SSD 2.5" U.2 NVMe (G4) Drives

8 x U.2 chassis only. Supports up to 8 Drives

E1.S NVMe (G5) Drives

16 x E1.S chassis only. Supports up to 16 Drives

Boot Optimized Storage Subsystem (BOSS-N1)

GPU

Choose one GPU board: 8x AMD MI355X 288GB (OAM), 8x NVIDIA B300 288GB or 8x NVIDIA B200 180GB (SXM6)
B200 requires the 8 x U.2 chassis

Open Compute Program (OCP) 3.0 (Optional)

One OCP 3.0 x16 slot

Networking (PCIe NIC / DPU) (Optional)

MI355X / B200: up to 12 PCIe NICs (DPUs max 4)
B300: up to 4 (slots 5-8)

Rail Kit

iDRAC10 (Optional)

ECS Warranty

Helpful Tip: Once desired configuration is selected click "Add to Cart".
From the cart page you can submit a submit a quote request for best pricing

Quick Specs
Form Factor:

3 OU liquid-cooled compute node for the Dell IR7044 / IR7050 (IR7000) rack

Processor | Max: 192 Cores per CPU

2x 5th Generation AMD EPYC 9005 Series

Memory | Max: 6TB (256GB DIMMs)

24 DDR5 RDIMM slots, up to 6400 MT/s

GPU:

8x AMD Instinct MI355X 288GB (1400W) OAM or
8x NVIDIA HGX B300 288GB (1100W) SXM6 or
8x NVIDIA HGX B200 180GB (1000W) SXM6

Storage:

16 x EDSFF E1.S Gen5 NVMe or
8 x 2.5" U.2 NVMe

Boot Options:

Embedded BOSS or BOSS-N1 (2 x M.2 NVMe, RAID 0/1)

Networking Options (NOC):

1x OCP 3.0 (x16)
8x OSFP (ConnectX-8) with B300
2x dedicated iDRAC RJ45 ports

Remote Management:

iDRAC10

PCIe Slots:

MI355X / B200: 12x Gen5 x16 FHHL
B300: 4x Gen5 x16 FHHL


Other Versions

(Click to View)

Ideal for:
  • Artificial Intelligence (AI)
  • Large Language Model Training
  • Deep Learning (DL)
  • High-Performance Computing (HPC)

The Dell PowerEdge XE9785L is the direct liquid-cooled version of the XE9785: a 3 OU, dual-socket compute node that slides into the Dell IR7044 or IR7050 ORv3 rack. It pairs two 5th Gen AMD EPYC 9005 processors (up to 192 cores each) with an 8-GPU board: AMD Instinct MI355X, NVIDIA HGX B300 or NVIDIA HGX B200. Liquid cooling for the CPUs, GPUs and NVLink switches fits 8-GPU performance into 3 OU. Power comes from the rack power shelf, so the node has no PSUs. You choose the chassis (E1.S or U.2), CPUs, memory, drives, boot, GPU board and networking.

Chassis Configurations

ⓘ Drives Two chassis: 16 x E1.S Gen5 NVMe (up to 122.88 TB) for MI355X or B300, or 8 x 2.5" U.2 Gen4 NVMe for MI355X, B300 or B200. Drives attach directly; no PERC, SAS or SATA. The node installs only in an IR7000 rack.

AMD EPYC 9005 Series Processors

Two 5th Gen AMD EPYC 9005 Series processors (SP5, Zen 5), up to 192 cores each.

AMD EPYC 9005 Series
What EPYC 9005 Brings
  • Up to 192 cores / 384 threads per CPU
  • Up to 500 W TDP
  • PCIe Gen5 I/O, xGMI3 up to 32 Gbps
  • AMD SME and SEV security
Requirements & Limitations
  • 2 processors required; do not mix
  • Supported: 9965, 9755, 9845, 9825, 9655, 9575F, 9475F, 9455
  • Direct liquid-cooled CPU cold plates
GPU Options | 8-GPU Baseboard
Dell PowerEdge XE9785L NVIDIA HGX B300 GPU tray with DLC cold plates
Liquid-Cooled GPU Tray
  • 8 GPUs on one board: MI355X OAM (Infinity Fabric) or B300 / B200 SXM6 (NVLink)
  • Cold plates on the GPUs and NVLink switches, with leak sensors
  • B300: 8 integrated OSFP ports (ConnectX-8) for the GPU fabric
Requirements & Limitations
  • One 8-GPU board per system; no partial GPU counts
  • B200 ships with the 8 x U.2 chassis only
  • Needs the IR7000 rack coolant manifold
GPU Memory per GPU Power per GPU PCIe NIC slots
8x AMD Instinct MI355X OAM 288 GB HBM3e 1400 W Up to 12 (slots 1-12)
8x NVIDIA HGX B300 SXM6 288 GB HBM3e 1100 W Up to 4 (slots 5-8)
8x NVIDIA HGX B200 SXM6 180 GB HBM3e 1000 W Up to 12 (slots 1-12)
Memory Options | 24x DDR5
DIMM type Rank Capacity Rated speed Maximum system capacity
RDIMM 2Rx4 96 GB 6400 MT/s (1DPC) 2.3 TB
2Rx4 128 GB 3 TB
8Rx4 256 GB 6 TB

ⓘ Memory 12 DIMM slots per processor (1 DIMM per channel), 1.1 V RDIMM only; do not mix capacities.

Boot Options | Embedded BOSS / BOSS-N1
Dell PowerEdge XE9785L BOSS-N1 DC-MHS
BOSS-N1 Boot Controller
  • Hardware RAID 0/1 across 2 x M.2 NVMe SSDs
  • M.2 SSDs: 480 GB or 960 GB
  • B300: internal BOSS-N1 at the front; MI355X / B200: embedded BOSS
Networking Options | OCP 3.0 & PCIe
Dell PowerEdge XE9785L OCP 3.0 NIC
OCP 3.0
  • 1 x OCP 3.0 SFF slot (x16), front of the system
  • 10GbE to 100GbE: Broadcom, Intel, NVIDIA
PCIe NICs & DPUs
  • MI355X / B200: up to 12 cards, Gen5 x16 FHHL
  • B300: up to 4 cards in slots 5-8
  • NICs: 400GbE, 200GbE and 100GbE
  • DPUs: BlueField-3 B3220 (2 x 200GbE) and B3240 (2 x 400GbE), up to 4
Liquid Cooling & Rack Power
Dell PowerEdge XE9785L rear view, quick disconnects and GPU fans
Direct Liquid Cooling
  • Cold plates on the CPUs, GPUs and NVLink switches
  • 6 rear quick disconnects to the rack manifold
  • 4 GPU fans + 8 HPM fans for the rest of the node
Rack Power
  • Power from the IR7000 rack power shelf (6 x 5500 W, 33 kW)
  • No PSUs in the node
  • User power cap not supported
Remote Management | iDRAC10
Embedded Management
  • iDRAC10 with 2 dedicated RJ45 iDRAC ports
  • iDRAC Direct (front USB Type-C)
  • iDRAC RESTful API with Redfish
Security
  • Soldered-down TPM 2.0, Secure Boot, Silicon Root of Trust
  • AMD SME / SEV, System Lockdown, Secure Erase
  • Secured Component Verification, Chassis Intrusion Detection
Dimensions & Weight
Dimensions
  • Height: 140.5mm (5.53"), 3 OU
  • Width: 537mm (21.14")
  • Depth: 1047.95mm (41.26") with fan, 889.65mm (35.03") without
Weight
  • Max 95.4 kg (210.3 lbs); use a server lift
  • L-bracket ORv3 static rails only; no CMA or bezel