ThinkSystem Servers:

• SR630 V2 (7Z70 / 7Z71)
• SR650 V2 (7Z72 / 7Z73)
• SR670 V2 (7Z22 / 7Z23)
• SR635 (7Y98 / 7Y99)
• SR655 (7Y00 / 7Z01)
• SR645 (7D2Y / 7D2X)
• SR665 (7D2W / 7D2V)
• SR850 V2 (7D31 / 7D32)
• SR860 V2 (7Z59 / 7Z60)
• SR950 (7X11 / 7X12)
• SR630 (7X01 / 7X02)
• SR650 (7X05 / 7X06)
• SR670 (7Y36 / 7Y37)
• SR850 (7X18 / 7X19)
• SR850P (7D2F / 2D2G)
• SR860 (7X69 / 7X70)

PCI Express Interface

• PCIe 4.0 x16 host interface (also supports a PCIe 3.0 host interface)
• Support for PCIe x1 x2 x4 x8 and x16 configurations
• PCIe Atomic
• TLP (Transaction Layer Packet) Processing Hints (TPH)
• PCIe switch Downstream Port Containment (DPC) enablement for PCIe hot-plug
• Advanced Error Reporting (AER)
• Access Control Service (ACS) for peer-to-peer secure communication
• Process Address Space ID (PASID) Address Translation Services (ATS)
• IBM CAPIv2 (Coherent Accelerator Processor Interface)
• Support for MSI/MSI-X mechanisms

Connectivity

• One or two QSFP56 ports
• Supports passive copper cables with ESD protection
• Powered connectors for optical and active cable support

InfiniBand

• Supports interoperability with InfiniBand switches (up to HDR100)
• When used in a PCIe 3.0 slot total connectivity is up to 100 Gb/s:
  • One port adapter supports a single 100 Gb/s link
  • Two-port adapter supports two connections of 50 Gb/s each or one 100 Gb/s active link and the other a standby link
• When used in a PCIe 4.0 slot total connectivity is up to 200 Gb/s:
  • One port adapter supports a single 100 Gb/s link
  • Two-port adapter supports two connections of 100 Gb/s each
• HDR100 / EDR / FDR / QDR / DDR / SDR
• IBTA Specification 1.3 compliant
• RDMA Send/Receive semantics
• Hardware-based congestion control
• Atomic operations
• 16 million I/O channels
• 256 to 4Kbyte MTU 2Gbyte messages
• 8 virtual lanes + VL15

Ethernet (requires firmware 20.28.1002 or later)

• Support interoperability with Ethernet switches (up to 100GbE as 2 lanes of 50Gb/s data rate)
• When used in the PCIe 3.0 slot total connectivity is 100 Gb/s:
  • One port adapter supports a single 100 Gb/s link
  • Two-port adapter supports two connections of 50 Gb/s each or one 100 Gb/s active link and the other a standby link
• When used in the PCIe 4.0 slot total connectivity is 200 Gb/s:
  • One port adapter supports a single 100 Gb/s link
  • Two-port adapter supports two connections of 100 Gb/s each
• Supports 100GbE / 50GbE / 40GbE / 25GbE / 10GbE / 1GbE
• Ethernet speed must be set; auto-negotiation is currently not supported (planned for a later firmware update)
• IEEE 802.3bj 802.3bm 100 Gigabit Ethernet
• IEEE 802.3by Ethernet Consortium 25 50 Gigabit Ethernet supporting all FEC modes
• IEEE 802.3ba 40 Gigabit Ethernet
• IEEE 802.3ae 10 Gigabit Ethernet
• IEEE 802.3az Energy Efficient Ethernet
• IEEE 802.3ap based auto-negotiation and KR startup (planned for a later firmware update)
• IEEE 802.3ad 802.1AX Link Aggregation
• IEEE 802.1Q 802.1P VLAN tags and priority
• IEEE 802.1Qau (QCN) - Congestion Notification
• IEEE 802.1Qaz (ETS)
• IEEE 802.1Qbb (PFC)
• IEEE 802.1Qbg
• IEEE 1588v2
• Jumbo frame support (9.6KB)

Enhanced Features

• Hardware-based reliable transport
• Collective operations offloads
• Vector collective operations offloads
• PeerDirect RDMA (GPUDirect) communication acceleration
• 64/66 encoding
• Enhanced Atomic operations
• Advanced memory mapping support allowing user mode registration and remapping of memory (UMR)
• Extended Reliable Connected transport (XRC)
• Dynamically Connected transport (DCT)
• On demand paging (ODP)