Mellanox CX311A MCX311A-XCAT ConnectX-3 EN 10G Ethernet 10GbE SFP+ PCIe NIC

US $24.61
or Best Offer
Was US $25.90 (5% off)What does this price mean?
Recent sales price provided by the seller
Condition:
New
More than 10 available36 sold
Breathe easy. Returns accepted.
People are checking this out. 5 have added this to their watchlist.
Shipping:
US $5.00 eBay SpeedPAK Standard.
Located in: Shenzhen, China
This item includes applicable import fees—you won’t pay anything extra after checkout.
Delivery:
Estimated between Mon, Nov 17 and Fri, Nov 21 to 94104
Estimated delivery dates - opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping 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 days returns. 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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eBay item number:115872613250
Last updated on Oct 28, 2025 02:53:40 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Country of Origin
Israel
External Interfaces
Cable, SFP, PCI, Network card
Custom Bundle
No
MPN
CX311A, MCX311A-XCAT
Maximum Data Rate
10 Gbps
Brand
Mellanox
Form Factor
CompactFlash
Type
Network Interface Controller
Number of Ports
1 Port
Manufacturer Warranty
1 Year
Model
Mellanox MCX311A-XCAT CX311A ConnectX-3 EN
Compatible Port
PCI Express x16, PCI Express x4, PCI Express x8
Internal Interfaces
SFP
Category

Item description from the seller

About this seller

Winners Hardware

99.2% positive feedback39K items sold

Joined Nov 2007
Winners was founded in 2006. It is your excellant source for server, storage, networking and communication products, such as sfp,sfp+,sfp28,qsfp,qsfp28, network card, HBA,expansion card, raid ...
See more

Detailed seller ratings

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

Seller feedback (1,951)

All ratingsselected
Positive
Neutral
Negative
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Shipping took quite a long time as I didn't realize these were shipped from China, but they arrived in good condition and work great.
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    The 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 6 months
    Verified purchase
    Amazing experience with this seller. Item was exactly as described, shipping was incredibly fast. EXTREMELY HAPPY!
See all feedback

Product ratings and reviews

4.5
8 product ratings
  • 7 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • Great card, doesn't like e-cores on 12th-13th Gen Intel CPU based systems...

    Great value for a ConnectX-3 PCIex 3.0 x4 single port card. Windows 10/11 have a driver that will get you going, but i highly recommend you get the last provided one from nVidia. There is also an issue, on 12th and 13th gen Intel CPUs where you will have to disable e-cores for the system to boot under Windows. The last drivers nVidia provided do not handle e-cores at all and will cause the system to crash reliably. This card works with all of the 10gig SR optics and DAC cables i have. I just probably should have gone with a ConnectX-4 or 5 card, as they're not much more than these are. ConnectX-5 cards are the oldest nVidia still supports with updated drivers. All older cards are left to the mercy of the last provided drivers.

    Verified purchase: YesCondition: Pre-OwnedSold by: pcsworld0812

  • Cheap entry into 10Gbe that works

    Installed it into my TrueNAS Core server running X470D4U ASRock Rack motherboard and it was detected just fine after changing a BIOS setting .. I have it connected via a 10Gbe copper DAC SFP+ cable into a cheap unmanaged switch that has 4 x 2.5GB ports + 2 x 10GB SFP+ ports. I can't test actual throughput though as my PC's are only 2.5GB

    Verified purchase: YesCondition: NewSold by: nhlfy411

  • It just works!

    One of the best ways to add sfp+ to your Windows or Linux computer. Windows and Linux will load the driver automatically so you don't need to worry about finding it online. You can also upgrade the firmware on the card but I haven't noticed a difference so I probably wouldn't bother (unless you're having issues).

    Verified purchase: YesCondition: Pre-OwnedSold by: pcsworld0812

  • Works great. Had older firmware, but eas...

    Works great. Had older firmware, but easy to reflash.

    Verified purchase: YesCondition: Pre-OwnedSold by: jb-electronic

  • great product, stable and reliable.

    good product, stable and smooth.

    Verified purchase: YesCondition: Pre-OwnedSold by: xuanwen-2011

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