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CX516A Dual 100Gb/s QSFP28 Ports Intelligent RDMA Ethernet Adapter for Web 2.0, Cloud and Storage Servers, Mellanox ConnectX-5 EX MT28808A0 Ethernet Controller, 2X 100GbE PCIE Gen 4.0 x16 NIC Card

CX516A Dual 100Gb/s QSFP28 Ports Intelligent RDMA Ethernet Adapter for Web 2.0, Cloud and Storage Servers, Mellanox ConnectX-5 EX MT28808A0 Ethernet Controller, 2X 100GbE PCIE Gen 4.0 x16 NIC Card

$497.98 USD
$497.98 USD
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About this item

  • 1. CX516A is a PCIE Gen 4.0 X16 (256Gb/s Bandwidth) Interface to Dual 100GbE QSFP28 Fiber Ports Intelligent RDMA Ethernet Adapter. Powered by the Mellanox ConnectX-5 EX converged Ethernet controller, it delivers 2x 100GbE network connections simultaneously to servers, with advanced application offloading capabilities optimized for Web 2.0, cloud, storage and telco environments.
  • 2. Ethernet Controller: Mellanox ConnectX-5 EX MT28808A0; Bus Interface: PCIE Gen 4.0 x16; Ethernet Speed: 2x 100GbE (200GbE Totally); Connector Type: 2x QSFP28 Fiber Ports; Remote Boot: RoCE, PXE, iSCSI; Supports RDMA over RoCE; Support I/O Virtualization and SR-IOV; Support Overlay Networks by providing advanced VXLAN, NVGRE, MPLS, GENEVE, and NSH. Storage Protocols: SRP, ISER, NFS RDMA, SMB Direct, NVME-OF.
  • 3. Support IEEE 802.3cd, 50Gb/s and 100Gb/s; IEEE 802.3bj, 802.3bm 100Gb/s; IEEE 802.3by 25Gb/s, 50Gb/s; IEEE 802.3ba 40Gb/s; IEEE 802.3ae 10Gb/s; IEEE 802.3az; IEEE 802.3ap; IEEE 802.3ad; 802.1AX Link Aggregation; IEEE 802.1Q; 802.1P VLAN tags and priority; IEEE 802.1Qau Congestion Notification; IEEE 802.1Qaz; IEEE 802.1Qbb; IEEE 802.1Qbg; IEEE 1588 V2; Support Jumbo frame (9.6KB).
  • 4. PCIE Gen 4.0 Standard, 16Gb/s Per Lane. PCIE X16 Interface, 256Gb/s Bandwidth Totally, Ensure 2X QSFP28 Fiber Ports Archive 100GbE Speed Simultaneously. Auto-Negotiates to PCIE x8, x4 Lane. Auto-Switch to PCIE Gen 5.0, Gen 4.0, Gen 3.0 and Gen 2.0. Support MSI/MSI-X mechanisms. PCIE switch Downstream Port Containment Enablement for PCIE Hot-Plug.
  • 5. Support plug and play on Windows 11, 10 64bit and Windows Server 2012, 2012R2, 2016, 2019, 2022, 2025 64bit. Compatible with RHEL, CentOS, FreeBSD, VMware and other Linux kernel-based systems. ATTENTION: The Linkstek CX516A serves as a drop-in alternative to the MCX516A-CDAT for server applications.
  • 6. Support Open Fabrics Enterprise Distribution (OFED) and Open Fabrics Windows Distribution (WinOF-2). Compatible with QSFP28 Transceivers, QSFP28 DAC cables and QSFP28 AOC cables with 50GbE, 100GbE, 200GbE PAM4 ethernet links.

Overview

  • Brand: LinksTek
  • Hardware Interface: PCI Express 4.0, PCI Express x16
  • Compatible Devices: Desktop
  • Product Dimensions: 4.72"L x 5.83"W x 0.71"H
  • Data Link Protocol: Ethernet
  • Data Transfer Rate: 100000 megabytes_per_second
  • Item Weight: 128 g
  • Unit Count: 1 Count
  • Compatible Operating System Family: Linux, Windows
  • Minimum Required Operating System Version: Windows 10

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Reviews

  • ⭐⭐⭐⭐⭐

    Daniel Brooks — Austin, Texas

    Questnory has a useful selection of gaming and tabletop accessories. I picked up a controller stand and a few desk organization items, and they helped make my setup feel much cleaner. The product descriptions were clear, and I would shop here again.

  • ⭐⭐⭐⭐⭐

    Emily Parker — Seattle, Washington

    I ordered a few gaming accessories from Questnory, and everything fit nicely into my setup. The products were easy to use, arrived in good condition, and felt practical for everyday gaming. I especially liked how simple it was to browse different categories and find what I needed.

  • ⭐⭐⭐⭐⭐

    Jason Reed — Portland, Oregon

    I ordered a playmat and a set of tabletop accessories from Questnory. The items were practical, easy to store, and added a nice touch to our gaming table. I also liked the variety of products available for both video gaming and tabletop play.

  • ⭐⭐⭐⭐⭐

    Lauren Mitchell — Denver, Colorado

    I found several board game accessories that worked well for our weekly game nights. The storage items made it easier to organize cards, dice, and smaller pieces between sessions. The overall shopping experience was straightforward and convenient.

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FAQ

What types of products does Questnory sell?

Questnory offers gaming accessories, PC peripherals, controllers, streaming equipment, board games, card games, tabletop accessories, RPG supplies, miniatures, storage products, and gaming setup essentials.

How can I check whether a product is compatible with my device or game?

Please review the product description, model number, platform, dimensions, connector type, edition, and compatibility details before ordering. Compatibility may vary between console generations, operating systems, game editions, and device models.

How long does order processing take?

Orders require processing before shipment. Processing times may vary depending on product availability, order volume, and supplier handling. Tracking information will be provided after the order has shipped.

How can I track my order?

Once tracking information becomes available, it will be sent to the email address used at checkout. Tracking updates may take a short time to appear after the shipping carrier receives the package.

Will all items in my order arrive together?

Some products may be shipped separately depending on availability, package size, or fulfillment location. You may receive more than one tracking number when an order is divided into multiple shipments.

Can I change or cancel my order?

Contact us as soon as possible after placing your order. We will review the request, but changes or cancellations cannot be guaranteed once processing or shipment has begun.

What should I do if my item arrives damaged or incorrect?

Contact Questnory promptly with your order number, a description of the issue, and clear photos of the product and packaging. This information helps us review the problem and determine the appropriate next step.

Can I return a product if I change my mind?

Return eligibility depends on the item’s condition, return period, and the requirements listed in our Return & Refund Policy. Products should generally remain unused, complete, and in their original packaging.

Do board game expansions and accessories include the base game?

Not always. Expansion packs, upgrade kits, organizers, miniatures, and accessories may require a separately purchased base game. Please review the product title and description carefully before ordering.

How can I contact Questnory?

For order questions, product concerns, returns, or general assistance, email us at dasrtnhiomkl@gmail.com. Include your order number when contacting us about an existing purchase.

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