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SFP-10G-ER: Cisco 10GBASE-ER SFP Module

Cisco SFP-10G-ER Transceiver10GbE
CiscoTransceivers

Also listed as: SFP-10G-ER=

Cisco SFP-10G-ER is listed as Cisco 10GBASE-ER SFP Module. It is a transceiver that the vendor documents for Cisco MDS 9250i, Cisco MDS 9706, Cisco MDS 9710 and others show as an orderable option. Spares are ordered as SFP-10G-ER=. Check the exact model and generation before buying, because option lists differ between product generations.

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Specifications

Part numberSFP-10G-ER
BrandCisco
TypeTransceivers
Other numbersSFP-10G-ER=
Speed10GbE

About the SFP-10G-ER

Cisco 10GBASE-ER SFP Module is sold by Cisco under product ID SFP-10G-ER; the same item ordered as a spare carries the suffix = (SFP-10G-ER=). It is a transceiver in the Cisco option range and appears in the ordering or configuration tables of the vendor documents cited in the sources. Key figures taken from the listing: speed 10GbE. The product ID is the number brokers and buyers search for, so match it exactly rather than by capacity or description alone.

Compatibility

The Cisco documents cited in the sources list SFP-10G-ER as an option for Cisco MDS 9250i, Cisco MDS 9706, Cisco MDS 9710, Cisco MDS 9718. That listing is the only compatibility claim recorded here: the part is not assumed to fit other generations or other product lines of the same brand. Firmware, software, slot, backplane and controller requirements are set out in the vendor documentation for the specific product, and the vendor's compatibility tool should be checked before ordering a second-hand unit.

Buying used

Inspect the optical connector for scratches or dirt, read the module details from the switch (vendor name, part number, serial) and confirm the switch accepts it without an unsupported-module warning. Check the speed and reach on the label. Ask the seller for photos of the part number label, confirm the return terms, and test the part in a running system before accepting it. Prices vary with condition, so compare several listings for the exact product ID.

Fits these models

Works together

How the Cisco SFP-10G-ER connects to servers, storage and the network: 3 ways, with the hardware on each path.

iSCSI and NVMe/TCP over EthernetFile storage (NFS and SMB)Hyperconverged cluster

iSCSI and NVMe/TCP over Ethernet

Keep the speed the same at all three points: a 25GbE server, a 25GbE switch port and a 25GbE array port. Mixed speeds work but the slowest link sets the pace.

Adapters for the server

Switches

Storage

iSCSI and NVMe/TCP over Ethernet: how it fits together

File storage (NFS and SMB)

Front-end ports face the clients; back-end ports (on scale-out systems) connect the nodes to each other and need their own switch pair.

Adapters for the server

Switches

Storage

File storage (NFS and SMB): how it fits together

Hyperconverged cluster

Plan at least two 25GbE ports per node to two switches; all-NVMe clusters often move to 100GbE.

HCI nodes

Adapters for the server

Switches

Hyperconverged cluster: how it fits together

Plan and size it

Check compatibility with Cisco

Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Cisco has tested with the Cisco SFP-10G-ER.

Buying or selling SFP-10G-ER?

New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.

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Sources