This item, P23664-B21, is the HPE option part number for the product described as InfiniBand HDR/Ethernet 200Gb 1-port QSFP56 PCIe4 x16 MCX653105A-HDAT Adapter. Further details below.
HPE Option Part #: P23664-B21
HPE Spare Part #:
HPE Assembly Part #: n/a
- Device Type: Network adapter
- Form Factor: Plug-in card - low profile
- Interface (Bus) Type: PCI Express 4.0 x16
- PCI Specification Revision: PCIe 1.1, PCIe 2.0, PCIe 3.0, PCIe 4.0
- Ports: 200Gb Ethernet / 200Gb Infiniband QSFP28 x 1
- Connectivity Technology: Wired
- Data Link Protocol: Gigabit Ethernet, 10 Gigabit Ethernet, 40 Gigabit Ethernet, 100 Gigabit Ethernet, 25 Gigabit Ethernet, 50 Gigabit Ethernet, 100 Gigabit InfiniBand, 200 Gigabit Ethernet, 200 Gigabit InfiniBand
- : 200 Gbps
- Network / Transport Protocol: TCP/IP, UDP/IP, iSCSI
- Features: Auto-negotiation, MPLS support, VLAN support, InfiniBand QDR Link support, Virtual Protocol Interconnect (VPI), Quality of Service (QoS), InfiniBand DDR Link support, Jumbo Frames support, PXE support, Large Send Offload (LSO), Large Receive Offload (LRO), Receive Side Scaling (RSS), UEFI support, InfiniBand FDR Link support, congestion control, Advanced Error Reporting (AER), Extended Message-Signaled Interrupts (MSI-X), Header Data Split (HDS), Transmit Side Scaling (TSS), RDMA over Converged Ethernet (RoCE), InfiniBand EDR Link support, TLP Processing Hint (TPH), InfiniBand SDR Link support, Extended Reliable Connected transport (XRC), Dynamically Connected transport (DCT), user mode registration and remapping of memory (UMR), On demand paging (ODP), Message Signaled Interrupts (MSI), InfiniBand HDR100 Link support
- Compliant Standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.3ap, IEEE 802.3az, IEEE 802.3ba, IEEE 802.1AX, IEEE 802.1Qbb, IEEE 802.1Qaz, IEEE 802.1Qau, IBTA 1.3, IEEE 802.1Qbg, IEEE 1588v2, IEEE 802.3bj, IEEE 802.3bm, IEEE 802.3by
- Processor: 1 x Mellanox ConnectX-6
- Interfaces: 1 x 200Gb Ethernet / 200Gb Infiniband - QSFP28
- Compliant Standards: CISPR 22 Class A, EN55024, ICES-003 Class A, UL 60950-1, IEC 60950-1, EN 60950-1, IEC 60068-2-32, RoHS, IEC 60068-2-29, IEC 60068-2-64, KC, VCCI Class A, AS/NZS CISPR 22, EN 55022 Class A, FCC CFR47 Part 15 A, RCM Class A, CAN/CSA-C22.2 No. 60950-1
- OS Required: FreeBSD, Microsoft Windows, Red Hat Enterprise Linux, CentOS
- Min Operating Temperature: 32 °F
- Max Operating Temperature: 131 °F
- Humidity Range Operating: 5 - 95% (non-condensing)
✅ Plus v2
✅ Plus v2
✅ and possibly others
Contact us via if you have any questions about compatibility.
Last updated: 4/13/2023
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This product is warrantied against hardware failure for a period of 1 Year from the date of purchase.
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.
If you have a defective part and the machine to which it was installed is still in the HPE warranty period, please execute the warranty exchange by visiting the link below. (Please have the serial numbers of the defective drive and your server/storage array handy)
HPE Enterprise Support Center
In the event of hardware becoming defective during the Global One warranty period, but the HPE warranty has expired, the product can be returned to us for a working replacement. Customers are responsible for the shipment of returned merchandise, Global One will bear the expense for Ground/Economy shipment of the replacement item(s).
* Factory sealed equipment can only be returned unopened.
To request an RMA, please complete and submit the form found here:
RMA Request Form