This item, 700763-B21, is the HPE option part number for the product described as FlexFabric 20Gb 2-port 650FLB Adapter. Further details below.
Upgrade your server's network capabilities with this HPE FlexFabric 20Gb 2-port 650FLB Adapter. This FlexibleLOM adapter delivers high-speed connectivity with two 20 Gigabit Ethernet ports, ensuring optimal performance for demanding applications and virtualized environments. It's designed to maximize bandwidth and minimize latency, providing a reliable and efficient network solution.
This adapter supports advanced features such as VLAN support, Jumbo Frames, and Single Root I/O Virtualization (SR-IOV), enhancing network performance and efficiency. It's compatible with select HPE blade servers, which includes but is not limited to the BL460c Gen9 and BL460c Gen10. Experience faster Data Transfer Rates and improved network responsiveness with this high-performance FlexFabric adapter.
HPE Option Part #: 700763-B21
HPE Spare Part #: 701536-001
PRODUCT SPECIFICATIONS FOR 700763-B21:
- Device Type: Network adapter
- Form Factor: Plug-in card
- Interface (Bus) Type: PCI Express 3.0 x8
- Ports: 20 Gigabit Ethernet x 2
- Connectivity Technology: Wired
- Data Link Protocol: 20 Gigabit Ethernet
- Data Transfer Rate: 20 Gbps
- Network / Transport Protocol: TCP/IP
- Remote Management Protocol: SNMP
- Features: VLAN support, wake on LAN (WOL), full duplex mode, Jumbo Frames support, PXE support, Large Send Offload (LSO), UEFI support, Single Root I/O Virtualization (SR-IOV), TCP Segmentation Offload (TSO), QoS tagging, Extended Message-Signaled Interrupts (MSI-X), TCP/IP checksum offload, RDMA over Converged Ethernet (RoCE)
- Compliant Standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.1ab (LLDP), IEEE 802.3ap, IEEE 802.1Qbb, IEEE 802.1Qaz, IEEE 802.1Qbg
- Processor: 1 x Emulex
- Expansion Slots: 1 x FlexibleLOM
- Interfaces: 2 x 20Gb Ethernet
- Compliant Standards: FCC Class A certified, UL, VCCI, ICES-003, CISPR 22, FCC CFR47 Part 15, IEC 60950-1, EN 60950-1, WEEE, RoHS, BSMI CNS 13438, KN22, KN24, EN55022:2010, MSIP, UL 60950-1:2007, EN 55024:2010
- Power Consumption Operational: 7.6 Watt
- Software Included: Drivers & Utilities, HP Systems Insight Manager (HP SIM)
- OS Required: Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2008 R2 SP1 (64-bits), Red Hat Enterprise Linux 6.5, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 6.6, Red Hat Enterprise Linux 7.1, SuSE Linux Enterprise Server 11 SP3 x64 Edition, SUSE Linux Enterprise Server 12 x64 Edition, VMware ESXi 5.1 update 3, VMware ESXi 5.5 update 2, Citrix XenServer 6.5
- Min Operating Temperature: 32 °F
- Max Operating Temperature: 131 °F
- Humidity Range Operating: 15 - 80% (non-condensing)
RESOURCES FOR 700763-B21

COMPATIBLE WITH:
PROLIANT BL SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR 700763-B21
Last updated: 5/2/2025
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This product is warrantied against hardware failure for a period of 1 Year from the date of purchase. Before making a purchase, please take a moment to review our return policy below.
Returns
It is the customer's responsibility to verify compatibility with their machine(s) before placing an order. If an item is ordered by mistake, it can be returned for refund, minus a 25% restocking fee, within 5 business days of receipt. The cost of freight is not refundable.
Please be aware that factory-sealed equipment can only be returned if it remains unopened.
Defective Products
If you have received a defective part and your machine is still within the HPE warranty period, please initiate a warranty exchange by visiting the HPE Enterprise Support Center. Be sure to have the serial numbers of the defective drive and your server/storage array handy.
In case your hardware becomes defective during the Global One warranty period, but the HPE warranty has expired, you can return the product to us for a working replacement. You are responsible for the shipment of returned merchandise. However, we will cover the expense of Ground /Economy shipment for the replacement item(s).
Requesting an RMA
To initiate a return or warranty claim, please complete and submit the RMA Request Form.