Network Cards

network cards โ€” pre-owned

62,216listings

Browse 62,216 network cards โ€” pre-owned on eBay โ€” listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Intel X520-DA2 10Gb 10Gbe 10 Gigabit Network Adapter NIC Dual Port E10G42BTDA
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Intel X520-DA2 10Gb 10Gbe 10 Gigabit Network Adapter NIC Dual Port E10G42BTDA

We do know having sold 1000s of these E10G42BTDA. These work great in Dell and HP too. We also solve the problem with X520's hanging upon boot up with certain motherboards! Driver is included natively with Windows Server 2012+, Ubuntu, Linux etc also since they all have X520 82599 ES82599 drivers built in now.

$24.44
Free ShippingEast Hartford, US
orty228s
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99.6%Excellentยท 5.4k
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SIMCom SIM8202G-M2 5G NR Cellular Module M.2 Modem Qualcomm Snapdragon X55
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SIMCom SIM8202G-M2 5G NR Cellular Module M.2 Modem Qualcomm Snapdragon X55

SIMCom SIM8202G-M2 5G cellular module in M.2 form factor. Supports 5G NR, LTE, and global band connectivity. Commonly used in industrial routers, IoT devices, and embedded systems. Includes removable metal RF shield / heat spreader (installed on module as shown). Module only โ€” no antennas, cables, or additional accessories included. Ideal for integration, repair, or development projects.

$79.99
Free ShippingAuburn, US
livinggreenseattleTOP
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99.7%Excellentยท 10.8k
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Sonnet Twin 10G Thunderbolt 2 to Dual-Port 10 Gigabit Ethernet Adapter with AC
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Sonnet Twin 10G Thunderbolt 2 to Dual-Port 10 Gigabit Ethernet Adapter with AC

$95.00
See listingColorado Springs, US
production_gear
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100.0%Excellentยท 88
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OEM Nvidia ConnectX-4 LX MCX4121A-ACAT PCIe x8 3.0 10 / 25GB SFP28 Mellanox SFP+
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OEM Nvidia ConnectX-4 LX MCX4121A-ACAT PCIe x8 3.0 10 / 25GB SFP28 Mellanox SFP+

The OEM Mellanox MCX4121A-ACAT is a professional 10 / 25Gbps Dual Ports NIC for the PCIe x8 3.0 interface. It allows you to increase your networkโ€™s connectivity and adjust the data flow to your needs. Via 2 SFP28 ports the adapter can be connected to your network with either transceiver modules or SFP28 cables. The network interface card is cooled passively. The component is manufactured by Mellanox and labeled by HP, Dell, Lenovo or other OEMs. Itโ€™s comparable to the model Mellanox ConnectX-4 CX4121A and CX4121C. Full & low profile brackets are included.Ports: PCIe x8 3.0, 2x SFP28The maximum data transfer rate is 25 GBit per second. (downward compatible to 10 / 1 Gbps)The NIC is cooled passively.Full & Low Profile bracketsThe adapter is OEM branded and produced by Mellanox.

$129.90
Free ShippingTraverse City, US
haehnleinit_inc
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99.7%Excellentยท 693
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NVIDIA MBF2H332A-AECOT BlueField-2 SmartNIC P-Series DPU 25GbE PCIe4
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NVIDIA MBF2H332A-AECOT BlueField-2 SmartNIC P-Series DPU 25GbE PCIe4

Elevate your network infrastructure with the NVIDIA MBF2H332A-AECOT BlueField-2 SmartNIC P-Series DPU. This high-performance 25GbE PCIe4 x16 adapter is designed to deliver unparalleled connectivity and offload capabilities, making it an ideal choice for data center professionals. The card's advanced features include hardware-based network acceleration, ensuring efficient and reliable network operations.

$100.00
Free ShippingCanton, US
goodstuffdirect
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100.0%Excellentยท 956
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Intel X540-T2 10Gb 10Gbe 10 Gigabit Network Adapter NIC Dual Port RJ45 10GBase-T
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Intel X540-T2 10Gb 10Gbe 10 Gigabit Network Adapter NIC Dual Port RJ45 10GBase-T

These work great in most any server. We also solve the problem with X540's hanging upon boot up with certain motherboards! Look at the 2 black pins holding heatsink on.

$48.95
Free ShippingEast Hartford, US
orty228s
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99.6%Excellentยท 5.4k
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* 2 Pack* Dell MRT0D Mellanox ConnectX-4 Dual Port 25GB Adapter CX4121C
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Certified - RefurbishedBuy It Now

* 2 Pack* Dell MRT0D Mellanox ConnectX-4 Dual Port 25GB Adapter CX4121C

Dell PN: MRT0D.

$49.99
Free ShippingMaple Plain, US
serverworlds-goodstuffTOP
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100.0%Excellentยท 1.1k
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Mellanox ConnectX-5 100GbE 2-Port QSFP28 PCIe Adapter  MCX556A-ECAT  01KT927 FH
-10%
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Mellanox ConnectX-5 100GbE 2-Port QSFP28 PCIe Adapter MCX556A-ECAT 01KT927 FH

Clean, used pull from off-lease Lenovo servers. Warranties do not cover any defects that are listed in the item details section above. Clean pulls from off-lease servers.

$215.95$239.95-10%

You save $24.00

Free ShippingVenice, US
ims
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99.9%Excellentยท 41.5k
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Intel X550-T2 Dual-port RJ45 2.5/5/10GbE NIC PCIe 3.0 x4 Network Adapter NBase-T
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Intel X550-T2 Dual-port RJ45 2.5/5/10GbE NIC PCIe 3.0 x4 Network Adapter NBase-T

This is aSilicom model PE310G2I50E-T-NU with a standard (= full-height, long) bracket, as shown on the photo s. PCIe3.0 x4 interface. The adapter is in excellent working and physical condition. โœ” No bent, loose, or broken Ethernet ports.

$60.00
See listingRound Lake, US
escalabure
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100.0%Excellentยท 1.8k
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INTEL DELL X540-T2 CONVERGED Dual Port 10Gb Ethernet Network 03DFV8 0K7H46 Low
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INTEL DELL X540-T2 CONVERGED Dual Port 10Gb Ethernet Network 03DFV8 0K7H46 Low

Low Profile Bracket. We stand behind our products. Do not place an order and then request a cancellation afterward.

$18.99
Free ShippingChino, US
g-electronic
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99.7%Excellentยท 128.9k
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Dell Mellanox ConnectX-4 Lx CX4121C Dual 25GbE SFP28 LP (20NJD)
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UsedBuy It NowBest Offer

Dell Mellanox ConnectX-4 Lx CX4121C Dual 25GbE SFP28 LP (20NJD)

Dell Mellanox ConnectX-4 Lx CX4121C Dual 25GbE SFP28 LP (20NJD).

$49.00$199.00-75%

You save $150.00

Free ShippingBradenton, US
xbyteTOP
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100.0%Excellentยท 7.9k
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Mellanox ConnectX-3 CX314A 40GB Dual Port QSFP+ PCI-E Network Card MCX314A-BCCT
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Mellanox ConnectX-3 CX314A 40GB Dual Port QSFP+ PCI-E Network Card MCX314A-BCCT

We stand behind our products. The listed prices do not apply.

$14.49
Free ShippingChino, US
g-electronic
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99.7%Excellentยท 128.9k
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LSI 9207-8i 6Gbps SAS PCIe 3.0 HBA Full Height IT-Mode
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UsedBuy It Now

LSI 9207-8i 6Gbps SAS PCIe 3.0 HBA Full Height IT-Mode

Full Height Bracket Only.

$19.99
Free ShippingGarland, US
garlandcomputerTOP
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99.9%Excellentยท 100.1k
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Solarflare XtremeScale X2522-10G-PLUS Dual Port 10GbE Server Adapter Full Height
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Solarflare XtremeScale X2522-10G-PLUS Dual Port 10GbE Server Adapter Full Height

Full height bracket.

$325.00
Free ShippingEast Walpole, US
completecomputersolutionsofma
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100.0%Excellentยท 10.8k
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HPE 100GbE 2P 870QSFP28 Network Adapter P11335-B21 P11333-001 P11587-001 Tested
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HPE 100GbE 2P 870QSFP28 Network Adapter P11335-B21 P11333-001 P11587-001 Tested

HPE Xilinx 100GbE Network Adapter. Representative image of the Dual-Port 100GbE QSFP28 Adapter. Network Ports 2 x 100GbE QSFP28 . HPE P11587-001 Xilinx SFNX2542 100Gb Dual Port QSFP28 Ethernet Adapter - Used.

$80.00
See listingCherry Hill, US
nytechsource
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99.7%Excellentยท 1.8k
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Brocade CPX6 105-000-800-00 Control Processor blade 60-1003201-12
-40%
UsedBuy It NowBest Offer

Brocade CPX6 105-000-800-00 Control Processor blade 60-1003201-12

We will be happy to resolve the issue and work out a solution with you. We cannot give you a price quote.

$240.00$400.00-40%

You save $160.00

See listingNew Brunswick, US
augmentedit
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99.8%Excellentยท 12.4k
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Intel AX200 AX201 AX211 AX210 Killer 6E 9560 BE200 Wi-Fi 7  (not sold in Lot) u
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UsedBuy It Now

Intel AX200 AX201 AX211 AX210 Killer 6E 9560 BE200 Wi-Fi 7 (not sold in Lot) u

AX411, AX201, AX211, AX411, BE200 and 1750x will not work with AMD based systems. AX211 Most likely upgrade from AX201 with M.2 CNVio2. AX411, AX201, AX211, AX411. AX201 Killer 1650i for gaming (M.2 CNVio2) Note: Cannot be used to replace 9560AC.

$19.95
Free ShippingRiverside, US
vpccomputersTOP
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99.9%Excellentยท 28.6k
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๐Ÿ”ฅ๐Ÿ”ฅ๐Ÿ”ฅ MCX4121A-ACAT Mellanox CX4121A ConnectX-4 25GbE 2 Port SFP28 Network card
UsedBuy It NowBest Offer

๐Ÿ”ฅ๐Ÿ”ฅ๐Ÿ”ฅ MCX4121A-ACAT Mellanox CX4121A ConnectX-4 25GbE 2 Port SFP28 Network card

$59.00
Free ShippingAurora, US
zetainc.ai
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100.0%Excellentยท 5.7k
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Intel X520-SR2 10Gb 10Gbe 10 Gigabit Network Adapter NIC 2 Port E10G42BFSR BLK
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Intel X520-SR2 10Gb 10Gbe 10 Gigabit Network Adapter NIC 2 Port E10G42BFSR BLK

We also solve the problem with X520's hanging upon boot up with certain motherboards! Driver is included natively with Windows Server 2012+, Ubuntu, Linux etc also since they all have X520 82599 ES82599 drivers built in now.

$33.95
Free ShippingEast Hartford, US
orty228s
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99.6%Excellentยท 5.4k
View on eBayOpen listing โ†’
Strong-IT Dell XYT17  Intel X520-DA2 10Gb Dual port Long Bracket (No SFPs)
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Strong-IT Dell XYT17 Intel X520-DA2 10Gb Dual port Long Bracket (No SFPs)

This may include minor scuffs, light scratches, or slight wear. Product Overview. Strong-IT - Your Trusted Source for Quality IT Components.

$13.89
Free ShippingForest Lake, US
strong-itTOP
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99.8%Excellentยท 3.3k
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MELLANOX MCX311A-XCAT_A SP 10GB SFP+ CONNECTX-3 PCIE NIC
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MELLANOX MCX311A-XCAT_A SP 10GB SFP+ CONNECTX-3 PCIE NIC

A top rated IT hardware supplier. Core 4 Solutions, Inc. | Eden Prairie, MN. Pictures may not reflect exactly what you will receive.

$23.00
Free ShippingEden Prairie, US
core4solutionsTOP
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99.9%Excellentยท 17.2k
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Lenovo Intel X710-DA2 10Gb SFP Network Card 10GbE High Profile
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Lenovo Intel X710-DA2 10Gb SFP Network Card 10GbE High Profile

Each item is at minimum C4, F3 unless specified otherwise. Lenovo Part number will vary.

$28.97
Free ShippingBrea, US
cirkadis-formerly-semsotaiTOP
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99.9%Excellentยท 17.1k
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MELLANOX NIVIDIA BLUEFIELD-3 D3B6 900-9D3B6-00CN-PA0 DPU 400GbE/NDR REV: A4
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MELLANOX NIVIDIA BLUEFIELD-3 D3B6 900-9D3B6-00CN-PA0 DPU 400GbE/NDR REV: A4

All will-calls have to be scheduled prior to pick up. All international orders are subject to export restrictions under U.S. law.

$2250.00
See listingGilroy, US
prism_electronics12
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99.8%Excellentยท 4.8k
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Mellanox MCX555A-ECAT ConnectX-5 100GbE 100G 1-Port QSFP28 NIC Network Adapter
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Mellanox MCX555A-ECAT ConnectX-5 100GbE 100G 1-Port QSFP28 NIC Network Adapter

Network Adapter Card. Host Interface. Network Ports. Supermicro AOC-CGP-i2M Used MicroLP Dual Port 1GbE Network Adapter Card(MicroLP). Form Factor. (68.90mm x 142.24 mm). Ethernet (IEEE standards), InfiniBand (IBTA v1.3), TCP/IP, UDP/IP, iSCSI.

$119.95
Free ShippingRipon, US
central_valley_computer_parts_inc
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99.9%Excellentยท 32.6k
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Mellanox MCX314A-BCCT 40Gb Ethernet 40GbE CX314A ConnectX-3 Pro QSFP PCIe UnRAID
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UsedBuy It Now

Mellanox MCX314A-BCCT 40Gb Ethernet 40GbE CX314A ConnectX-3 Pro QSFP PCIe UnRAID

Multiple cards are shown to display bracket height options.

$29.95
Free ShippingGuston, US
bitsquadTOP
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100.0%Excellentยท 6.5k
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Supermicro AOC-STG-i4T Quad-port Intel XL710/X557 10Gbe Ethernet Network Adapter
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Supermicro AOC-STG-i4T Quad-port Intel XL710/X557 10Gbe Ethernet Network Adapter

SUPERMICRO P/N: AOC-STG-I4T. The truth is out there! Mounting bracket: Full Height. Printer Parts. No software, cables, or other accessories included. Point of Sale (POS).

$79.95
Free ShippingBurnsville, US
techy_parts
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100.0%Excellentยท 38.7k
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DELL  INTEL X520-DA2 2x 10Gb SFP+ PCIe Both Profile Dual Port Network Card
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DELL INTEL X520-DA2 2x 10Gb SFP+ PCIe Both Profile Dual Port Network Card

R887V Dell Mellanox CX4121C ConnectX-4 25GB SFP+ Dual Port Network Daughter Card.

$21.99
Free ShippingHollywood, US
newserverlife
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99.7%Excellentยท 7.0k
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40GbE QSFP+ Dual Port CX314A Mellanox ConnectX-3 Pro EN PCIe 3.0x8 Card High Low
UsedBuy It Now

40GbE QSFP+ Dual Port CX314A Mellanox ConnectX-3 Pro EN PCIe 3.0x8 Card High Low

Model/PN: CX314A. Interface: QSFP+. Compatible Port: PCIe 3.0 x8. - 1x CX314A-HIGH-LOW+ 1x Breakout Cable 2M. - 1x CX314A-HIGH-LOW+ 1x Breakout Cable 3M. Unixsurplusnet is a division of UNIXSurplus, a large Server dealer in Silicon Valley, California.

$48.00
+$6.95Sunnyvale, US
unixsurplusnet
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99.9%Excellentยท 10.5k
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ROPER SCIENTIFIC 01-447-001  PCI INTERFACE BOARD
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ROPER SCIENTIFIC 01-447-001 PCI INTERFACE BOARD

Untested

$90.00
See listingPhiladelphia, US
isgr_3172
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100.0%Excellentยท 17
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TABLEAU Forensic USB Bridge Digital Intelligence ULTRABLOCK-USB T8-R2 W/ Power
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TABLEAU Forensic USB Bridge Digital Intelligence ULTRABLOCK-USB T8-R2 W/ Power

Check out the photos. EVERYTHING IN THE PHOTOS IS WHAT YOU WILL BE RECEIVING.

$149.99
See listingLynnwood, US
pnwvintagesales
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99.6%Excellentยท 7.2k
View on eBayOpen listing โ†’
BlueField-2 DPU Dual Port SFP56 25GbE MBF2H332A-AECOT PCIe 4.0 x8
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BlueField-2 DPU Dual Port SFP56 25GbE MBF2H332A-AECOT PCIe 4.0 x8

BlueField-2 DPU Dual Port SFP56 25GbE MBF2H332A-AECOT PCIe 4.0 x8. Condition is Used. Shipped with USPS Ground Advantage.

$100.00
Free ShippingSan Leandro, US
baamreuse2
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100.0%Excellentยท 927
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BlueField-2 DPU Dual Port SFP56 25GbE MBF2H332A-AECOT PCIe 4.0 x8 Network Card
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BlueField-2 DPU Dual Port SFP56 25GbE MBF2H332A-AECOT PCIe 4.0 x8 Network Card

BlueField-2 DPU Dual Port SFP56 25GbE MBF2H332A-AECOT PCIe 4.0 x8 Network Card. Condition is Used. Shipped with USPS Ground Advantage.

$100.00
Free ShippingSan Leandro, US
baamreuse2
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100.0%Excellentยท 927
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Intel AX200 WiFi 6 Dual Band Adapter  M.2 Interface 802.11ax PCLe
UsedBuy It Now

Intel AX200 WiFi 6 Dual Band Adapter M.2 Interface 802.11ax PCLe

Do not place an order and then request a cancellation afterward. We stand behind our products.

$14.99
Free ShippingChino, US
g-electronic
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99.7%Excellentยท 128.9k
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๐Ÿ”ฅ๐Ÿ”ฅ๐Ÿ”ฅ MRT0D DELL MELLANOX CX4121C CONNECTX-4LX 25GB DUAL PORT ADAPTER 0MRT0D
UsedBuy It NowBest Offer

๐Ÿ”ฅ๐Ÿ”ฅ๐Ÿ”ฅ MRT0D DELL MELLANOX CX4121C CONNECTX-4LX 25GB DUAL PORT ADAPTER 0MRT0D

$45.00
Free ShippingAurora, US
zetainc.ai
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100.0%Excellentยท 5.7k
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HP 593743-001 593720-001 Quad Port Ethernet Server Adapter NC365T High
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HP 593743-001 593720-001 Quad Port Ethernet Server Adapter NC365T High

We stand behind our products. High Bracket. Do not place an order and then request a cancellation afterward. Once we confirm and agree to your request, you may then place your order.Donot leave new requests in the order notes after purchasing.

$19.99
Free ShippingChino, US
g-electronic
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99.7%Excellentยท 128.9k
View on eBayOpen listing โ†’
OEM Mellanox CX312C-XCCT ConnectX-3 Pro EN 10GB Ethernet SFP+ Low Profile
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OEM Mellanox CX312C-XCCT ConnectX-3 Pro EN 10GB Ethernet SFP+ Low Profile

Its low profile form factor makes it suitable for compact systems, while the SFP+ external interfaces provide versatile network connection options.

$19.85
Free ShippingDover, US
valuan1962
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99.8%Excellentยท 1.2k
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HP 10Gb 2 Port Ethernet RJ-45 530T Network Server Adapter Card PCIe 656594-001
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HP 10Gb 2 Port Ethernet RJ-45 530T Network Server Adapter Card PCIe 656594-001

We stand behind our products. Do not place an order and then request a cancellation afterward. Once we confirm and agree to your request, you may then place your order.Donot leave new requests in the order notes after purchasing.

$15.99
Free ShippingChino, US
g-electronic
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99.7%Excellentยท 128.9k
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MELLANOX CONNECTX-3 10Gb DUAL PORT SFP+ PCI ADAPTOR  00D9692 CONNECTX-3
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UsedBuy It NowBest Offer

MELLANOX CONNECTX-3 10Gb DUAL PORT SFP+ PCI ADAPTOR 00D9692 CONNECTX-3

NO SFP'S INCLUDED. Years of IT.

$14.99
Free ShippingMinneapolis, US
it-gearTOP
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99.9%Excellentยท 9.0k
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Dell 68M95 Quad Port 10GB SFP+ rNDC | Intel X710
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Dell 68M95 Quad Port 10GB SFP+ rNDC | Intel X710

This high-performance network adapter is designed for Dell PowerEdge servers, providing exceptional 10 Gigabit Ethernet connectivity for demanding enterprise and data center workloads. 1x Dell 68M95 Quad Port 10GB SFP+ rNDC.

$45.00
See listingCherry Hill, US
nytechsource
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99.7%Excellentยท 1.8k
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Dell Qlogic dual port PCIe QLE2742-SR BK3210407 -01 - A (B8)
UsedBuy It NowBest Offer

Dell Qlogic dual port PCIe QLE2742-SR BK3210407 -01 - A (B8)

$349.99
See listingCrosslake, US
frombensgarage
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100.0%Excellentยท 1.1k
View on eBayOpen listing โ†’