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CX4121A MCX4121A-ACAT Mellanox ConnectX-4 Lx 25GbE SFP28 PCIe Ethernet Adapter
US $58.90
ApproximatelyC $82.11
or Best Offer
Was US $62.00 (5% off)
Condition:
“100% Fully tested before shipment, good working condition. Looks like new.”
Open box
An item in excellent, new condition with no wear. The item may be missing the original packaging or protective wrapping, or may be in the original packaging but not sealed. The item includes original accessories. The item may be a factory second. See the seller's listing for full details and description.
More than 10 available111 sold
- Buy It NowCX4121A MCX4121A-ACAT Mellanox ConnectX-4 Lx 25GbE SFP28 PCIe Ethernet Adapter
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Returns:
30 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Payments:
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Seller assumes all responsibility for this listing.
eBay item number:116299126483
Item specifics
- Condition
- Open box
- Seller Notes
- “100% Fully tested before shipment, good working condition. Looks like new.”
- Compatible Brand
- For Mellanox
- External Interfaces
- Ethernet/ Network Cards
- Custom Bundle
- No
- MPN
- MCX4121A-ACAT
- Maximum Data Rate
- 25Gbps
- Brand
- Mellanox
- Form Factor
- CompactFlash
- Type
- Network Interface Controller
- Number of Ports
- 2 Ports
- Manufacturer Warranty
- 1 Year
- Model
- CX4121A
- Country/Region of Manufacture
- Israel
- Compatible Port
- PCI Express x8
- Internal Interfaces
- SFP
Item description from the seller
Popular categories from this store
Seller feedback (1,923)
This item (13)
All items (1,923)
- *****- Feedback left by buyer.Past 6 monthsVerified purchaseQuick shipment and quick replacement. 100% support guranteed. I want to buy from the same seller in the future. The seller is best reliable. This mellanox NIC is genuine and its WOF-2 driver could be installed with no problem and I could make easily its firmware updated. I am very much satisfied to buy it.
- *****- Feedback left by buyer.Past yearVerified purchaseCame packaged very well. It was in like new condition. It shipped very fast and arrived earlier than predicted. I have installed, updated firmware, and tested it. Everything worked without a hitch. Great valoe for the cost. This is the second purchase of one of these from this seller. An easy purchase from a great seller. I will use this seller againReply from: nhlfy411- Feedback replied to by seller nhlfy411.- Feedback replied to by seller nhlfy411.Thank you so much for taking the time to share your positive experience with our product! Your feedback truly brightens our day and reinforces our commitment to delivering exceptional quality and service. We’re thrilled to hear that the product met your expectations, and it’s customers like you who make our efforts worthwhile. Please don’t hesitate to reach out if you need anything—we’re here to help!
- *****- Feedback left by buyer.Past 6 monthsVerified purchaseJust Works on linux 6.14.3-300.fc42.x86_64. Nothing to do, it recognized my old cisco SPF+ DAC and went to 10g directly.
- *****- Feedback left by buyer.Past monthVerified purchaseSmooth transaction! Seller was responsive and helpful, shipping was quick, and the SFP+ modules were well packed. Items arrived in great condition and works without any issues.
- *****- Feedback left by buyer.Past 6 monthsVerified purchaseThe card arrived in perfect condition, in its box just as it can be seen on the picture. The shipping was quicker than expected, great seller, definitely recommended from my side.
- *****- Feedback left by buyer.Past yearVerified purchaseArrived quickly and as described, packed well. Recognized correctly in PC and was able to link at the correct rate with my switch. Great seller.Reply from: nhlfy411- Feedback replied to by seller nhlfy411.- Feedback replied to by seller nhlfy411.Thank you so much for taking the time to share your positive experience with our product! Your feedback truly brightens our day and reinforces our commitment to delivering exceptional quality and service. We’re thrilled to hear that the product met your expectations, and it’s customers like you who make our efforts worthwhile. Please don’t hesitate to reach out if you need anything—we’re here to help!
Product ratings and reviews
Most relevant reviews
- Nov 11, 2024
It's working on my QNAP TS-464.
Verified purchase: YesCondition: NewSold by: nhlfy411
- Aug 30, 2024
Powerful, yet not expensive.
Verified purchase: YesCondition: Pre-OwnedSold by: hkebl-002
- Mar 15, 2019
good condition & performance
Verified purchase: YesCondition: Pre-OwnedSold by: central_valley_computer_parts_inc
- Aug 01, 2025
Worked without issues in my Unraid serve...
Verified purchase: YesCondition: NewSold by: nhlfy411
- Oct 21, 2024
very good
Verified purchase: YesCondition: Pre-OwnedSold by: nhlfy411
This is a private listing and your identity will not be disclosed to anyone except the seller.
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Popular categories from this store
Seller feedback (1,923)
This item (13)
All items (1,923)
- *****- Feedback left by buyer.Past 6 monthsVerified purchaseQuick shipment and quick replacement. 100% support guranteed. I want to buy from the same seller in the future. The seller is best reliable. This mellanox NIC is genuine and its WOF-2 driver could be installed with no problem and I could make easily its firmware updated. I am very much satisfied to buy it.
- *****- Feedback left by buyer.Past yearVerified purchaseCame packaged very well. It was in like new condition. It shipped very fast and arrived earlier than predicted. I have installed, updated firmware, and tested it. Everything worked without a hitch. Great valoe for the cost. This is the second purchase of one of these from this seller. An easy purchase from a great seller. I will use this seller againReply from: nhlfy411- Feedback replied to by seller nhlfy411.- Feedback replied to by seller nhlfy411.Thank you so much for taking the time to share your positive experience with our product! Your feedback truly brightens our day and reinforces our commitment to delivering exceptional quality and service. We’re thrilled to hear that the product met your expectations, and it’s customers like you who make our efforts worthwhile. Please don’t hesitate to reach out if you need anything—we’re here to help!
- *****- Feedback left by buyer.Past 6 monthsVerified purchaseJust Works on linux 6.14.3-300.fc42.x86_64. Nothing to do, it recognized my old cisco SPF+ DAC and went to 10g directly.
- *****- Feedback left by buyer.Past monthVerified purchaseSmooth transaction! Seller was responsive and helpful, shipping was quick, and the SFP+ modules were well packed. Items arrived in great condition and works without any issues.
- *****- Feedback left by buyer.Past 6 monthsVerified purchaseThe card arrived in perfect condition, in its box just as it can be seen on the picture. The shipping was quicker than expected, great seller, definitely recommended from my side.
- *****- Feedback left by buyer.Past yearVerified purchaseArrived quickly and as described, packed well. Recognized correctly in PC and was able to link at the correct rate with my switch. Great seller.Reply from: nhlfy411- Feedback replied to by seller nhlfy411.- Feedback replied to by seller nhlfy411.Thank you so much for taking the time to share your positive experience with our product! Your feedback truly brightens our day and reinforces our commitment to delivering exceptional quality and service. We’re thrilled to hear that the product met your expectations, and it’s customers like you who make our efforts worthwhile. Please don’t hesitate to reach out if you need anything—we’re here to help!