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Table 1. Server specifications (continued)
Specification
Internal drives
Expansion slots
Graphics processing
unit (GPU)
Input/Output (I/O)
features
ThinkSystem SR665 Maintenance Manual
4
Description
Front:
• Up to twenty-four 2.5-inch hot-swap SAS/SATA/NVMe drives
• Up to twelve 3.5-inch hot-swap SAS/SATA/NVMe drives
Middle/Inside:
• Up to eight 2.5-inch hot-swap SAS/SATA/NVMe drives
• Up to four 3.5-inch hot-swap SAS/SATAdrives
• Up to two internal SATA/NVMe M.2 drives
(On Air baffle or middle drive bays)
Rear:
• Up to eight 2.5-inch hot-swap SAS/SATA drives
• Up to four 3.5-inch hot-swap SAS/SATA drives
• Up to two 7mm hot-swap SATA/NVMe drives
For technical rules for drives, see "Drive bay configurations and requirements" on page 139.
• Your server supports up to eight PCIe slots in the rear:
– PCIe x16/x8/x8, full-height
– PCIe x16/x16/E*, full-height
– PCIe E*/x16/x16, full-height
– PCIe x16/x16, full-height
– PCIe x8/x8, full-height
– PCIe x16, full-height
Note: "E" is short for "empty". It means the slot in the three-slot riser card is unavailable.
• Your server supports up to one slot for OCP 3.0 Ethernet adapter
For technical rules for PCIe slots, see "Rear view" on page 33 and "Technical rules for PCIe
slots" on page 144.
Your server supports the following GPUs:
• Low-profile, half-length, double-wide: NVIDIA® Tesla® V100, V100S
• Full-height, full-length, single-wide: NVIDIA Quadro® P620, NVIDIA Tesla T4
For technical rules for GPU, see "Technical rules for GPU" on page 147.
• Front :
– One VGA connector (optional)
– One USB 3.1 Gen 1 connector and one USB 2.0 connector with XClarity Controller
management
– One external diagnostics connector
– One diagnostics panel or LCD diagnostics panel (optional)
• Rear:
– One VGA connector
– Three USB 3.1 Gen 1 connectors
– One XClarity Controller network connector
– Two or four Ethernet connectors on the OCP 3.0 Ethernet adapter (optional)
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