This item is out of stock.

Mellanox CX4121A Dual Port SFP28 25GbE ConnectX-4 Network Card High/Low

UNIXSurplusNet
(8735)
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US $53.00
ApproximatelyS$ 68.83
or Best Offer
Condition:
Used
“100% Guaranteed Working Condition w/ Warranty. Ships from the USA! Both Brackets”
Out of Stock97 sold
Pickup:
Free local pickup from Sunnyvale, California, United States.
Shipping:
Free FedEx Ground / FedEx Home Delivery®.
Located in: Sunnyvale, California, United States
Delivery:
Estimated between Fri, 24 Oct and Mon, 27 Oct
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Seller pays for return shipping.
Coverage:
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eBay item number:355859834103
Last updated on Oct 23, 2025 02:26:26 SGTView all revisionsView all revisions

Item specifics

Condition
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller抯 listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller Notes
“100% Guaranteed Working Condition w/ Warranty. Ships from the USA! Both Brackets”
Brand
Lenovo
Form Factor
High and Low Profile
External Interfaces
SFP28
Type
Network Card
Unit Type
Unit
Number of Ports
2 Ports
Model
CX4121A
MPN
1GR253, 25G NIC, 25G Network Card, 25GB NIC, 25GB Network Card, CONNECTX-4, CX4121A
Unit Quantity
1
Compatible Port
PCIe 3.0 x8
Maximum Data Rate
25Gbps
Category

Item description from the seller

About this seller

UNIXSurplusNet

99.9% positive feedback•90K items sold

Joined Feb 2019
Usually responds within 24 hours
UNIXSurplusNet is an established wholesale distributor who offers high quality servers, storage units, components, and networking equipment to customer worldwide.
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Detailed Seller Ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
4.9
Shipping speed
5.0
Communication
5.0

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Seller feedback (9,275)

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Negative
  • e***s (111)- Feedback left by buyer.
    Past year
    Verified purchase
    Cards were well-packaged, exactly as described, and arrived quickly. I appreciate the eggcrate foam and the use of sealed antistatic bags. The NICs worked without issue and were exactly what I was looking for. These cards are an excellent value as most enterprise settings have long abandoned 25GbE for 100 or 400 or even 800GbE. Overall, highly recommended.
  • 1***9 (14)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    The network card was shipped and delivered as expected. It was packaged very well, and has been in use for a few days now (I had to wait for the PC to arrive I was putting this in). I went to go buy a couple of more, but they are out of stock.
  • s***- (142)- Feedback left by buyer.
    Past year
    Verified purchase
    UNIXSurplusNet quality goods at good prices as usual.
See all feedback