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Mellanox MCX4121A-ACAT CX4 25G PCIe3.0 SFP28 NIC Compatible AOC 1-30M NAS RDMA

Heisenberg_1031
(338)
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US $58.90
ApproximatelyAU $90.31
Was US $62.00 What does this price mean?
The seller’s previous price is required to be the previous selling price or recommended retail price (RRP) at which it was offered and/or sold for a reasonable period of time immediately prior to the discount.
Save US $3.10 (5% off)
Condition:
Opened – never used
“Fully Tested Before Shipping. 100% Good Working Conditon. Both Brackets.”
Select
No AOC Cable
AOC-SFP25G-01M/3.3ft SFP28-25G-SR
AOC-SFP25G-02M/6.6ft SFP28-25G-SR
AOC-SFP25G-03M/9.8ft SFP28-25G-SR
AOC-SFP25G-05M/16.4ft SFP28-25G-SR
AOC-SFP25G-10M/33ft SFP28-25G-SR
AOC-SFP25G-15M/49ft SFP28-25G-SR
AOC-SFP25G-20M/66ft SFP28-25G-SR
AOC-SFP25G-30M/98ft SFP28-25G-SR
More than 10 available49 sold
This one's trending. 49 have already sold.
People want this. 16 people are watching this.
Postage:
US $5.00 (approx. AU $7.67) eBay SpeedPAK Standard.
Located in: Shenzhen, Guangdong, China
This item includes applicable import fees – you won't pay anything extra after checkout.
Delivery:
Estimated between Thu, 21 Aug and Wed, 27 Aug
Estimated delivery dates - opens in a new window or tab include seller's handling time, origin postcode, destination postcode and time of acceptance and will depend on the postage service selected and receipt of cleared paymentcleared payment - opens in a new window or tab. Delivery times may vary, especially during peak periods.
Returns:
30-day returns. Buyer pays for return postage. If you use an eBay postage label, it will be deducted from your refund amount.
Payments:
     Diners Club

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Seller assumes all responsibility for this listing.
eBay item number:166675688990
Last updated on 05 Aug, 2025 03:10:47 AESTView all revisionsView all revisions

Item specifics

Condition
Opened – never used
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 (i.e. it has a small flaw that does not affect the operation of the item such as a scratch or dent). See the seller's listing for full details and description. See all condition definitionsopens in a new window or tab
Seller notes
“Fully Tested Before Shipping. 100% Good Working Conditon. Both Brackets.”
Model
MCX4121A-ACAT
Type
NIC
MPN
SFP28-25G-SR, MCX4121A-ACAT
Brand
Mellanox
Maximum Data Rate
25Gbps
External Interfaces
SFP28
Internal Interfaces
PCIe3.0x8
Country/Region of Manufacture
Israel
Manufacturer Warranty
6 Months

Item description from the seller

About this seller

Heisenberg_1031

98.8% positive Feedback•9.4K items sold

Joined Feb 2017
Usually responds within 24 hours
There are only two tragedies in life:One is not getting what one wants, and the other is getting it.
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable postage costs
5.0
Postage speed
5.0
Communication
5.0

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Seller feedback (368)

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  • *****- Feedback left by buyer.
    Past year
    Verified purchase
    NIC works as expected, tested with 1Gb and 10Gb and works great with both speeds, heatsink gets a little hot sometimes but it haven't caused any issue, also great packaging. I had a little delayed on the delivery but I'm very happy with my purchase and definitely will be buying more to my servers.
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    These work great, I have 3 of these now in different locations of my homelab to integrate 25gb backplane to every drop point and rack
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    The Mellanox NIC was shipped in a hard plastic shell.
See all feedback
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