This item, R4K46A, is the HPE option part number for the product described as Slingshot SA210S Ethernet 200 Gb 1‑port PCIe NIC. Further details below.
Enhance your server's networking capabilities with the HPE Slingshot SA210S Ethernet 200 Gb 1-port PCIe NIC (R4K46A). Designed for high-performance computing, this adapter offers seamless connectivity with up to 200 Gbps Ethernet over advanced 4×50 Gbps lanes. Compatible with servers such as the DL320 Gen12 and DL380 Gen10, it ensures robust data transfer speeds, boosting your system's productivity and efficiency. Leverage PCIe Gen 4 x16 host connectivity to elevate your server's performance to new heights.
HPE Option Part #: R4K46A
PRODUCT SPECIFICATIONS FOR R4K46A:
- Port capability – 200 Gbps: IEEE 802.3cd/bs (200 Gbps) Ethernet over 4×50 Gbps (PAM‑4) lanes; 100GBASE‑CR4 5 m copper cable; 100GBASE‑SR4 100 m OM3/OM4 optical cable; 50/100/200GBASE‑CR4 3 m TwinAx copper cable
- Port capability – 100 Gbps: IEEE 802.3 2018 100 Gbps Ethernet over 4×25 Gbps (NRZ) lanes; 100GBASE‑CR4 5 m copper cable; 100GBASE‑SR4 100 m OM3/OM4 optical cable; 50/100/200GBASE‑CR4 3 m TwinAx copper cable
- Host connectivity: PCIe Gen 4 x16
COMPATIBLE WITH:
PROLIANT DL SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
FREQUENTLY ASKED QUESTIONS FOR R4K46A:
- What are the port capabilities of the R4K46A?
The R4K46A supports up to 200 Gbps Ethernet over 4×50 Gbps lanes and 100 Gbps Ethernet over 4×25 Gbps lanes, utilizing both copper and optical cables. - Which servers are compatible with the R4K46A?
The R4K46A is compatible with DL320 Gen12, DL380 Gen10, DL380 Gen10 Plus, DL380 Gen11, and DL385 Gen10 Plus v2 servers, and possibly others - What type of host connectivity does the R4K46A provide?
The R4K46A offers PCIe Gen 4 x16 host connectivity, ensuring high-speed data transfer and excellent performance.
Last Updated: 2026-06-26
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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.


