CPUs with a package power tracking (PPT) rating of up to 500W with dual processors installed are supported by the Gigabyte R185-D91 Server. Additionally, those with a PPT of up to 600W are also supported with an ambient room temperature of 25 degrees Celsius. AMD’s EPYC 9006 series processors can provide up to 259 cores enabling more VMs and computational tasks to be completed simultaneously. Each of the two processors offer 16-channel memory architecture with 16x memory module slots each for 32x memory modules slots total. RDIMMs and Multiplexed Rank DIMM (MRDIMM) modules are supported with memory speeds of up to 8000MT/s and 12800MT/s, respectively. There are two chassis versions to choose from

Chassis Configurations
Gigabyte R185-D91-LS1 Server
- CPU Direct Liquid Cooling
Gigabyte R185-D91-AS1 Server
- Air Cooling
Both are designed for use as a network server or as a hybrid/private cloud server, The system offers 2x Low profile PCIe Gen6 x16 slots for networking or storage support. There is also an OCP 3.0 compatible NIC with a PCIe Gen6 x16 slot. 2x redundant 3200W 80 Plus Titanium PSUs power the system. Around back a management LAN (MLAN) port provides remote access to the system.
Explore available configurations for the Gigabyte R185-D91 Server. Each configuration includes a specific combination of components and options to meet different performance, cooling, storage, and deployment requirements.
- Dual Processors, 2x LGA 7536/Socket SP7
- AMD EPYC 9006 SP7 Server Processors
- PPT up to 500W
- At 25°C ambient, PPT up to 600W
- Motherboard: MD95-FS0
- Chipset: Integrated into SoC
If only 1 CPU is installed, some PCIe or memory functions might be unavailable.
- 32x DIMM slots
- Support DDR5 RDIMM/MRDIMM*
- 16-Channel memory per processor
- RDIMM: Up to 8000 MT/s
- MRDIMM: Up to 12800 MT/s
*MRDIMMs are supported only on select CPU SKUs.
Front hot-swap:
- 12x 2.5" Gen5 NVMe/SATA/SAS4*
- 4x NVMe from CPU_0, 8 x NVMe from CPU_1
Internal M.2:
- 1x M.2 (2242/2260/2280/22110), PCIe Gen4 x4, from CPU_0
- 1x M.2 (2242/2260/2280/22110), PCIe Gen4 x4, from CPU_1
- 1x M.2 (2242/2260/2280/22110), PCIe Gen4 x2, from CPU_0
- 1x M.2 (2242/2260/2280/22110), PCIe Gen4 x2, from CPU_1, disabled
*Storage card(s) required to support SATA and SAS drives.
- 1x LP x16 (Gen6 x16), from CPU_0
- 1x LP x16 (Gen6 x16), from CPU_1
- 1x OCP NIC 3.0 (Gen6 x16), from CPU_0
- Supports NCSI function
- 1x USB 3.2 Gen1 port (Type-A)
- 1x Power button with LED
- 1x ID button with LED
- 1x Reset button
- 2x Storage activity LEDs
- 1x System status LED
DC-SCM:
- 2x USB 3.2 Gen1 ports (Type-A)
- 1x Mini-DP
- 1x Debug port (Type-C)
- 1x MLAN port
- 1x Power button with LED
- 1x ID button with LED
- 1x System status LED
- 2 x 3200 W 80 PLUS Titanium redundant power supplies*
*The system power supply requires C19 power cord
- Width: 438 mm
- Height: 43.5 mm
- Depth: 815 mm
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