概况
HPE 817753-B21以太网25GBPS 2端口640SFP28网络适配器是一款专为在以太网中使用而设计的高性能网络适配器。它是一款PCI Express 3.0 x8、薄型半高外形适配器，每个端口支持高达25 Gbps的数据传输速率，比上一代10 Gbps适配器快得多。
该适配器支持最新的SFP+接口，即640SFP28接口，专为25 GbE应用程序设计。与以前的SFP+接口相比，此接口提供了更高的带宽和改进的性能，从而实现了更快的数据传输和更高效的网络资源使用
该适配器还支持VXLAN、NVGRE和GENEVE等高级功能，这些功能允许网络虚拟化，提高了网络灵活性和可扩展性。
它还符合IEEE 802.3by和802.3bj标准，确保它与各种以太网设备兼容，并满足这些标准的要求，这些标准旨在确保可靠的数据传输。
817753-B21还支持全双工数据传输，允许双向同时传输数据。此功能提高了数据传输速率并允许更快的数据传输，从而减少了完成数据传输任务所需的时间。
在电源效率方面，适配器支持节能以太网（EEE）和DMA合并，这有助于降低功耗，使其更节能
Detail Description 817753-B21 HPE
Manufacturer: HPE
MPN: 817753-B21
Type: Networking
Adapter-Type: Network Adapter 2Ports
SKU: 817753-B21
Spare Part Number: 840140-001
Form Factor: Plug-in card - low profile
Interface (Bus) Type: PCI Express 3.0 x8 / PCI Express 3.0 x4
PCI Specification Revision: PCIe 3.0
Networking
Ports: 25 Gigabit Ethernet x 2
Connectivity Technology: Wired
Data Link Protocol: 10 GIGE, 25 Gigabit LAN
Data Transfer Rate: 25 GBPS
Performance: Bidirectional throughput: 100 Gbps, Bandwidth per port: 50 Gbps
Capacity: Jumbo frame size: up to 9.6 KB
Remote Management Protocol: SNMP
Status Indicators: Link/activity
VLAN support, IPv6 support, full duplex mode, TCP/IP offloading, Quality of Service (QoS), Jumbo Frames support, IPv4 support, PXE support, LACP support, LLDP support, Large Send Offload (LSO), Receive Side Scaling (RSS), UEFI support, TCP Segmentation Offload (TSO), QoS tagging, Extended Message-Signaled Interrupts (MSI-X), UDP/IP offloading, TCP/IP checksum offload, RDMA over Converged Ethernet (RoCE), Virtual Extensible LAN (VXLAN), Network Virtualization using Generic Routing Encapsulation (NVGRE), RDMA over Converged Ethernet (RoCE) v2
Compliant Standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.1ab (LLDP), IEEE 802.3az, IEEE 802.1Qbb, IEEE 802.1Qaz, IEEE 802.1Qau, IEEE 802.1Qbg, IEEE 1588v2
Expansion / Connectivity
Interfaces: 2 x 25Gb Ethernet - SFP28
Processor / Memory
Processor: 1 x Mellanox ConnectX-4 Lx - Mellanox Technologies
Power
Power Consumption Operational: 9.7 Watt
Miscellaneous
Compliant Standards: FCC Class A certified, CISPR 22 Class A, ICES-003, EN55024, EN 60950-1, RoHS, ACA, cTUVus, BSMI Class A, VCCI Class A, EN 55022 Class A
Product Dimensions & Weight
Width: 2.7 inch
Height: 1 inch
Depth: 5.8 inch
Weight: 1.00 lbs
Software / System Requirements
OS Required: SuSE Linux Enterprise Server 11, Microsoft Windows Server 2012, Oracle Solaris 11.1, Microsoft Windows Server 2012 R2, VMware ESXi 5.5, Ubuntu 14.04, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 6.6, Red Hat Enterprise Linux 7.1, Citrix XenServer 6.5, SuSE Linux Enterprise Server 12, Red Hat Enterprise Linux 6.7, Red Hat Enterprise Linux 7.2, VMware ESXi 6.0
Environmental Parameters
Min Operating Temperature: 41 °F
Max Operating Temperature: 140 °F
Humidity Range Operating: 5 - 95% (non-condensing)
Compatibility 817753-B21 HPE Ethernet 10GBPS
HPE Apollo 4000 Series: 4200 Gen9, 4510 Gen10, 4510 Gen9, 4530 Gen9
HPE ProLiant DL Series: DL120 Gen9, DL120 Gen9 Entry, DL160 Gen9, DL160 Gen9 Base, DL160 Gen9 Entry, DL160 Gen9 Performance, DL180 Gen9, DL180 Gen9 Base, DL180 Gen9 Entry, DL180 Gen9 Storage, DL360 Gen10, DL360 Gen10 Base, DL360 Gen10 Entry, DL360 Gen10 High Performance, DL360 Gen10 Low, DL360 Gen10 Performance, DL360 Gen9, DL360 Gen9 Base, DL360 Gen9 CMS, DL360 Gen9 Entry, DL360 Gen9 Performance, DL360 Gen9 Special Server, DL380 Gen9, DL380 Gen9 Base, DL380 Gen9 Entry, DL380 Gen9 High Performance, DL380 Gen9 Performance, DL560 Gen10, DL560 Gen10 Base, DL560 Gen10 Entry, DL560 Gen10 Performance, DL560 Gen9, DL560 Gen9 Base, DL560 Gen9 Entry, DL560 Gen9 Performance, DL580 Gen9, DL580 Gen9 Base, DL580 Gen9 Database, DL580 Gen9 High Performance, DL580 Gen9 SAP HANA Scale-up Base Configuration
HPE ProLiant ML Series:ML350 Gen10, ML350 Gen10 Base, ML350 Gen10 Entry, ML350 Gen10 Performance, ML350 Gen10 Solution, ML350 Gen10 Sub-Entry
HPE ProLiant XL Series:XL230k Gen10 Compute Tray, XL250a Gen9, XL250a Gen9 Accelerator Tray, XL450 Gen10
HPE StoreEasy 1850, 3850 Gateway Single Node