Networking Adapters

AOC-S25G-m2S

The Supermicro AOC-S25G-m2S is a leading edge 25GbE controller.

Supermicro Products

Networking Adapters

AOC-S25G-m2S
General: Mellanox ConnectX®-4 Lx EN dual-port 25Gbps controller, Compact size low-profile standard form factor, PCI-E x8 3.0 (8GT/s, 5GT/s or 2.5GT/s) interface, Dual SFP28 connectors, Typical power consumption: 8.7W | Host Interface: PCI-E 3.0, Message Signal Interrupt (MSI-X) | Networking Features: 25G Ethernet Consortium 25 Gigabit Ethernet, IEEE802.3ae 10 Gigabit Ethernet, IEEE802.3az Energy Efficient Ethernet, IEEE 802.3ap based auto-negotiation and KR startup, IEEE 802.ad, 802.1AX Link Aggregation, IEEE 802.1Q, 802.1p VLAN tags and priority, IEEE802.1Qau (QCN) ¡V Congestion Notification, IEEE 802.1Qaz (ETS), IEEE 802.1Qbb (PFC), IEEE 802.1Qbg, IEEE 1588v2, Jumbo frame support (9.6KB)

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Details that matter

Engineered for professionals who demand the best in performance, security, and design.

Dual SFP28, Low-Profile Form Factor

Dual SPF28 Connectors
Low-Profile, Short Length Standard Form Factor

Mellanox ConnectX®-4 Lx EN, PCIe 3.0 x8

PCI-E 3.0 x8
Mellanox ConnectX®-4 Lx EN Ethernet Controller

Overlay Offloads (VXLAN, NVGRE, GENEVE)

Hardware offloads for VXLAN, NVGRE and GENEVE encapsulated traffic

Low Latency RoCE

Low latency RDMA over Converged Ethernet (RoCE)

SR-IOV & Jumbo Frames

PCI-SIG SR-IOV compliant
Jumbo Frames support up to 9.6kB

PXE & Erasure Coding Offload

PXE Support
Erasure Coding Offload

Asset Management & NC-SI

Asset Management Features with thermal sensor
NC-SI for IPMI support

RoHS Compliant 6/6

RoHS compliant 6/6

Technical Specifications

Full specifications for the model

SKU	AOC-S25G-m2S
General	Mellanox ConnectX®-4 Lx EN dual-port 25Gbps controller Compact size low-profile standard form factor PCI-E x8 3.0 (8GT/s, 5GT/s or 2.5GT/s) interface Dual SFP28 connectors Typical power consumption: 8.7W
Host Interface	PCI-E 3.0 Message Signal Interrupt (MSI-X)
Networking Features	25G Ethernet Consortium 25 Gigabit Ethernet IEEE802.3ae 10 Gigabit Ethernet IEEE802.3az Energy Efficient Ethernet IEEE 802.3ap based auto-negotiation and KR startup IEEE 802.ad, 802.1AX Link Aggregation IEEE 802.1Q, 802.1p VLAN tags and priority IEEE802.1Qau (QCN) ¡V Congestion Notification IEEE 802.1Qaz (ETS) IEEE 802.1Qbb (PFC) IEEE 802.1Qbg IEEE 1588v2 Jumbo frame support (9.6KB)
Cpu Offload Features	RDMA over Converged Ethernet (RoCE) TCP/UDP/IP stateless offload LSO, LRO, checksum offload RSS, TSS, HDS, VLAN insertion/stripping. Receive flow steering Intelligent interrupt coalescence
Storage Offloads	RAID offload ¡V erasure coding (Reed-Solomon) offload
Management Features	Asset Management features with thermal sensor NC-SI for IPMI Support
Overlay Networks	Stateless offloads for overlay networks and tunneling protocols Hardware offload of encapsulation and decapsulation of NVGRE and VXLAN overlay networks
Hardware Based Io Virtualization	Single Root IOV Multi-function per port Address translation and protection Multiple queues per virtual machine Enhanced QoS for vNICs VMware NetQueue support
Virtualization Features	SR-IOV: up to 256 Virtual Functions SR-IOV: up to 16 Physical Functions per port 1K ingress and egress QoS levels Guaranteed QoS for VMs
Os Support	RHEL/CentOS Windows FreeBSD VMware OpenFabrics Enterprise Distribution (OFED) OpenFabrics Windows Distribution (WinOF-2)
Remote Boot	Remote boot over iSCSI PXE and UEFI
Operating Conditions	Operating temperature: 0°C to 55°C (32°F to 131°F) Storage temperature: -40°C to 70°C (-40°F to 158°F) Storage humidity: 90% non-condensing relative humidity at 35°C
Physical Dimensions	Card PCB dimensions: 14.2cm x 6.89cm (5.6in x 2.71in) (LxW) Height of end brackets: standard - 12cm (4.725in), low-profile - 8cm (3.15in)
Weight	89.58g (0.1975lb)
Supported Platforms	Motherboards with minimum PCI-E 3.0 x 8 expansion slot Server Systems with LP/FH PCI-E 3.0 x 8 expansion slot NC-SI feature is only supported by Supermicro® motherboards with corresponding NC-SI connectors

Documentation

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Product Datasheet

AOC-S25G-m2S Datasheet

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AOC-S25G-m2S