Mellanox MCX546A-BCAN Infiniband Edr/Ethernet 100GbE 1-Port 841OCP QSFP28 Network Adapter. In Stock Brand: Mellanox Part Number: MCX546A-BCAN Category: Transceiver Key Specs: 1-Port, 100GbE Availability: In Stock Shipping: Fast US-based shipping Order the Mellanox MCX546A-BCAN today from ProDisk Network — your trusted source for enterprise IT hardware. All products are quality-tested and backed by our support team.
The MCX546A-BCAN is a Mellanox transceiver component with ports 1, network speed 100 GbE, features QSFP28. Pro Disk Network sells the MCX546A-BCAN for $468.42 with same-day US shipping and a 30-day return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the MCX546A-BCAN are shown on this page.
Trust Signals
US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
Same-Day US Shipping — orders before 3pm ET ship today via UPS
30-Day Returns — pre-paid label on DOA and defective items
Quick Answer: Is the MCX546A-BCAN compatible with my switch?
Pro Disk Network validates every MCX546A-BCAN against the target switch's published compatibility matrix before shipment. If you let us know your switch model and firmware version, we will confirm fitment and code the module appropriately (Cisco-coded, Juniper-coded, HPE-coded, etc.) at no extra charge.
How fast does the MCX546A-BCAN ship?
If in stock, the MCX546A-BCAN ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
The MCX546A-BCAN is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.
Spine-Leaf Fabric — Top-of-rack 25G/100G aggregation between leaf and spine switches. Match speed and form factor across both endpoints.
Server Uplink — 10G/25G server-to-leaf uplink — pair with matching DAC or AOC at the host NIC to avoid optic mismatch.
DCI (Data Center Interconnect) — Inter-DC routing or aggregation. LR4/LR8 transceivers for 10–80 km, ER4 for 40 km, ZR4 for coherent long-haul.
Campus Distribution — Catalyst-class campus distribution between IDF and MDF closets. PoE+ where wireless APs and IP phones share infrastructure.
What is the MCX546A-BCAN?
The MCX546A-BCAN is a Mellanox network interface module with ports 1 and network speed 100 GbE, manufactured by Mellanox. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.
Pros & Cons of MCX546A-BCAN
Pros
Matched-pair option for redundant link orders
Cabling and DAC/AOC labels clearly mark optic class
Cons
DAC cables capped at 7 m — use AOC or fibre for longer runs
SR optic vs LR optic confusion — verify before ordering
Refurbished tier optic does not include retail vendor packaging
Frequently Asked Questions about MCX546A-BCAN
Is the MCX546A-BCAN a genuine Mellanox part?
Yes. Pro Disk Network sources every MCX546A-BCAN as factory-original Mellanox inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Mellanox servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Is the MCX546A-BCAN compatible with my switch?
Pro Disk Network validates every MCX546A-BCAN against the target switch's published compatibility matrix before shipment. If you let us know your switch model and firmware version, we will confirm fitment and code the module appropriately (Cisco-coded, Juniper-coded, HPE-coded, etc.) at no extra charge.
How fast does the MCX546A-BCAN ship?
If in stock, the MCX546A-BCAN ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
What is the warranty on the MCX546A-BCAN?
New MCX546A-BCAN units carry the full Mellanox manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the MCX546A-BCAN?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the MCX546A series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
MCX546A-CDAN — Mellanox MCX546A-CDAN Connectx-5 Ex Network Interface Card For Ocp2.0 Type 2 With Host Management 100gbe Dual-port — $889.47
Pro Disk Network Buyer’s Guide: Transceiver
Optic Coding, Vendor Lock-In, and Multi-Vendor Compatibility
Networking optics — SFP, SFP+, QSFP+, QSFP28 — are physically interoperable across vendors but logically restricted by firmware coding. The MCX546A-BCAN is coded for a specific vendor family at our factory step before shipping, which preserves the OEM warranty workflow and allows the optic to be recognised without ‘service unsupported-transceiver’ CLI overrides. Mixing third-party optics with same-vendor optics in the same chassis is safe; mixing across vendor codings sometimes triggers warnings in the switch log.
Bandwidth Sizing for Spine-Leaf, EVPN-VXLAN, and Hyperconverged Storage
For EVPN-VXLAN overlays, the MCX546A-BCAN carries the underlay tunnels in addition to the workload traffic. Plan for VXLAN encapsulation overhead (50 bytes) plus MTU headroom; set the underlay MTU to 9216 (jumbo frames) and the overlay MTU to 9000. Make sure both the MCX546A-BCAN and the connected NICs support jumbo frames — some older NICs cap at 9000-byte payloads even when jumbo-enabled.