Interface/Add-On Cards

interface/add-on cards β€” pre-owned

100,485listings

Browse 100,485 interface/add-on cards β€” pre-owned on eBay β€” listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

WD_Black C50 1TB Storage Expansion Card - Official Microsoft Xbox Series X/S
Excellent - RefurbishedBuy It Now

WD_Black C50 1TB Storage Expansion Card - Official Microsoft Xbox Series X/S

WD Black C50 Expansion Card for Xbox 1TB. Enhance your computer's connectivity with the Western Digital PCIe expansion card. Ideal for expanding your system's capabilities, this card ensures seamless integration and performance.

$149.99
Free ShippingCarrollton, US
tech4c
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99.5%ExcellentΒ· 15.3k
View on eBayOpen listing β†’
Dell Intel I350-T2 361T NIC 2-Port(s) RJ-45 PCIe 2.1 x4 I350T2 0XP0NY
UsedBuy It Now

Dell Intel I350-T2 361T NIC 2-Port(s) RJ-45 PCIe 2.1 x4 I350T2 0XP0NY

Model: I350-T2 361T. Interface: PCIe 2.1 x4. Number of Port(s): 2. Weight: 2.5 (OZ).

$48.99
Free ShippingRowland Heights, US
u-meta
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100.0%ExcellentΒ· 32.5k
View on eBayOpen listing β†’
HP Workstation Thunderbolt 3 Expansion Card is suitable for z4g4 z6g4 z8g4 Z4G5
UsedBuy It NowBest Offer

HP Workstation Thunderbolt 3 Expansion Card is suitable for z4g4 z6g4 z8g4 Z4G5

HP Workstation Thunderbolt 3 Expansion Card is suitable for z4g4 z6g4 z8g4 Z4G5 Z6G5 Z8G5 series workstations.

$275.000
+$9.99CN
fanqiyue
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100.0%ExcellentΒ· 35
View on eBayOpen listing β†’
PLX88096 Expansion Card PCIe 4.0 5-card expansion backplane Adapter Board
-5%
UsedBuy It NowBest Offer

PLX88096 Expansion Card PCIe 4.0 5-card expansion backplane Adapter Board

We will give you a quote, our product price is very low and you can order in large quantities.

$466.77$491.34-5%

You save $24.57

+$14.99CN
pcdn2026
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100.0%ExcellentΒ· 104
View on eBayOpen listing β†’
Intel X520-DA2 10Gb 10Gbe 10 Gigabit Network Adapter NIC Dual Port E10G42BTDA
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UsedBuy It NowBest Offer

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.

$28.94
Free ShippingStafford, US
orty228sTOP
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99.9%ExcellentΒ· 6.0k
View on eBayOpen listing β†’
HP Flex IO V2 2.5GbE NIC M74416 RJ45 Ethernet Option Card L83414-002
UsedBuy It Now

HP Flex IO V2 2.5GbE NIC M74416 RJ45 Ethernet Option Card L83414-002

2.5GbE NIC for HP EliteDesk 800 G6 800 G8 805 G6 805 G8 Mini. Note, the V2 modules are not compatible with older V1-based machines as we found in the 405 G4 Mini.

$47.89
Free ShippingBaldwin Park, US
d4ylightz00
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99.6%ExcellentΒ· 7.4k
View on eBayOpen listing β†’
Mellanox MCX555A-ECAT ConnectX-5 100GbE 100G 1-Port QSFP28 NIC Network Adapter
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UsedBuy It Now

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_incTOP
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99.9%ExcellentΒ· 33.6k
View on eBayOpen listing β†’
9207-8i PCIE3.0 6Gbps HBA LSI FW:P20 IT Mode ZFS FreeNAS unRAID 2* SFF-8087
Very Good - RefurbishedBuy It Now

9207-8i PCIE3.0 6Gbps HBA LSI FW:P20 IT Mode ZFS FreeNAS unRAID 2* SFF-8087

PREMIUM ENTERPRISE IT SOLUTIONS. INCLUDED 1x CARD. CONDITION USED. MODEL SAS9207-8I. P/N SAS9207-8I H3-25412-00J.

$19.99
Free ShippingChino, US
reservertech
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99.9%ExcellentΒ· 6.9k
View on eBayOpen listing β†’
Intel X540-T2 10Gb 10Gbe 10 Gigabit Network Adapter NIC Dual Port RJ45 10GBase-T
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UsedBuy It NowBest Offer

Intel X540-T2 10Gb 10Gbe 10 Gigabit Network Adapter NIC Dual Port RJ45 10GBase-T

These work great in most any server. All X540's only support 10Gb and 1 Gb ethernet, no version supports 2.5Gb nor 5Gb. We also solve the problem with X540's hanging upon boot up with certain motherboards!

$48.95
Free ShippingEast Hartford, US
orty228sTOP
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99.9%ExcellentΒ· 6.0k
View on eBayOpen listing β†’
LSI 9207-8i 6Gbs SAS 2308 PCI-E 3.0 HBA IT Mode For ZFS FreeNAS unRAID
Very Good - RefurbishedBuy It Now

LSI 9207-8i 6Gbs SAS 2308 PCI-E 3.0 HBA IT Mode For ZFS FreeNAS unRAID

PREMIUM ENTERPRISE IT SOLUTIONS. INCLUDED 1x CARD. CONDITION USED. MODEL SAS9207-8I. P/N SAS9207-8I H3-25412-00J.

$19.99
Free ShippingChino, US
reservertech
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99.9%ExcellentΒ· 6.9k
View on eBayOpen listing β†’
Intel X550-T2 Network Card 10Gb PCIe 3.0 x8 10GBe Ethernet RJ45 Server
UsedBuy It Now

Intel X550-T2 Network Card 10Gb PCIe 3.0 x8 10GBe Ethernet RJ45 Server

Tested

$89.99
Free ShippingTemecula, US
sunto16
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99.7%ExcellentΒ· 3.6k
View on eBayOpen listing β†’
SuperMicro AOC-STG-i4T Intel XL710-T4 X557-T4 Quad Port 10GbE PCIe Network Card
TOP
UsedBuy It NowBest Offer

SuperMicro AOC-STG-i4T Intel XL710-T4 X557-T4 Quad Port 10GbE PCIe Network Card

SUPERMICRO SERVERS. Headquartered in Richardson, Texas, featuring products from top manufacturers such as Dell, HPE, Supermicro, Cisco, Lenovo, and more. About MK Trading. HPE SERVERS. CONDITIONClean Tested Pulls.

$59.00
Free ShippingRichardson, US
mktllcTOP
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100.0%ExcellentΒ· 14.3k
View on eBayOpen listing β†’
LSI SAS9207-8e 8-Port External HBA PCIe P20 IT Mode for ZFS TrueNAS UnRAID 4Kn
TOP
UsedBuy It Now

LSI SAS9207-8e 8-Port External HBA PCIe P20 IT Mode for ZFS TrueNAS UnRAID 4Kn

These cards support 4Kn SAS drives. Cards have been tested and firmware has been updated to LSI Avago IT mode firmware version P20 (20.00.07.00). For sale areLSI SAS9207-8e Host Bus Adapters.

$39.95
See listingGuston, US
bitsquadTOP
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100.0%ExcellentΒ· 6.8k
View on eBayOpen listing β†’
8-core 10-core GPU baseboard 8654 to PCIE 5.0x16 GPU expansion baseboard
-5%
UsedBuy It NowBest Offer

8-core 10-core GPU baseboard 8654 to PCIE 5.0x16 GPU expansion baseboard

We will give you a quote, our product price is very low and you can order in large quantities. And bad weather or peak season could make it longer. We are looking forward to a perfect cooperation!

$277.77$292.39-5%

You save $14.62

+$38.88unknown, CN
pcdn2026
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100.0%ExcellentΒ· 104
View on eBayOpen listing β†’
MCX556A-ECAT Mellanox ConnectX-5 VPI Adapter Card EDR IB 100GbE Dual-Port QSFP28
UsedBuy It NowBest Offer

MCX556A-ECAT Mellanox ConnectX-5 VPI Adapter Card EDR IB 100GbE Dual-Port QSFP28

$249.99
Free ShippingPomona, US
aplera
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99.9%ExcellentΒ· 25.5k
View on eBayOpen listing β†’
Dell 04TRD3 Mellanox CX562A 15Gen Dual 25GbE OCP 3.0 Server Network NIC
UsedBuy It NowBest Offer

Dell 04TRD3 Mellanox CX562A 15Gen Dual 25GbE OCP 3.0 Server Network NIC

We take no responsibility for compatibility issues if you did not consult us to confirm compatibility before purchasing.

$189.00
Free Shippingunknown, CN
ai_compute_depot
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100.0%ExcellentΒ· 127
View on eBayOpen listing β†’
Intel X520-SR2 2-Port 10GbE SFP+ H/Profile PCIe Network Card P/N: E10G42BFSRBLK
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UsedBuy It Now

Intel X520-SR2 2-Port 10GbE SFP+ H/Profile PCIe Network Card P/N: E10G42BFSRBLK

We understand if you encounter any setbacks. Item is in good working condition unless otherwise stated. Any parts not photographed WILL NOT be included.

$14.99
Free ShippingSaint Paul, US
minnesotacomputersTOP
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99.8%ExcellentΒ· 25.8k
View on eBayOpen listing β†’
Supermicro Intel X520-DA2 Dual Port AOC-STGN-I2S Rev2 Network Adapter Controller
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UsedBuy It NowBest Offer

Supermicro Intel X520-DA2 Dual Port AOC-STGN-I2S Rev2 Network Adapter Controller

For our networking orders, we include rack ears, power cable and console cable, as well as a 1-year warranty. F3 = Key Functions Working (Appendix C – Test and Repair). A subset of the primary functions of the device that an ordinary user of the device expects to function are verified working through manual or software tests.

$14.99
Free ShippingEden Prairie, US
ocean-techTOP
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99.9%ExcellentΒ· 58.9k
View on eBayOpen listing β†’
NVIDIA MCX755106AS-HEAT ConnectX-7 200GbE NDR200 Dual Port QSFP112 PCIe 5.0 x16
-4%
UsedBuy It NowBest Offer

NVIDIA MCX755106AS-HEAT ConnectX-7 200GbE NDR200 Dual Port QSFP112 PCIe 5.0 x16

NVIDIA MCX755106AS-HEAT ConnectX-7 200GbE NDR200 Dual Port QSFP112 PCIe 5.0 x16

$1199.95$1249.47-4%

You save $49.52

Free ShippingMonterey Park, US
eglaptopparts
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99.3%ExcellentΒ· 17.8k
View on eBayOpen listing β†’
MELLANOX MCX623105AN-VDAT ConnectX-6 DX 200GbE Network Card with LP & FS Bracket
UsedBuy It NowBest Offer

MELLANOX MCX623105AN-VDAT ConnectX-6 DX 200GbE Network Card with LP & FS Bracket

This unit is USED and TESTED FOR KEY FUNCTIONS. Key hardware is tested and verified working for unit's primary functions through manual or software tests. Hardware required for testing key functions may have been removed after testing.

$688.00
See listingGilroy, US
prism_electronics8
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99.6%ExcellentΒ· 4.8k
View on eBayOpen listing β†’
CX623106A Mellanox ConnectX-6 Dx 100GbE MCX623106AC-CDAT Network Adapter
UsedBuy It Now

CX623106A Mellanox ConnectX-6 Dx 100GbE MCX623106AC-CDAT Network Adapter

Looks to be in great shape. Pulled from a working server.

$699.99
Free ShippingUS
discountcdtoolsdvd
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99.9%ExcellentΒ· 59.2k
View on eBayOpen listing β†’
Mellanox ConnectX-3 CX314A 40GB Dual Port QSFP+ PCI-E Network Card MCX314A-BCCT
UsedBuy It NowBest Offer

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%ExcellentΒ· 141.4k
View on eBayOpen listing β†’
Dell 0942V6 942V6 Intel X520-DA2 Dual Port 10Gb SFP+ PCIe Server Adapter W/2 SFP
UsedBuy It NowBest Offer

Dell 0942V6 942V6 Intel X520-DA2 Dual Port 10Gb SFP+ PCIe Server Adapter W/2 SFP

With 2 SFP. 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.

$17.99
Free ShippingChino, US
g-electronic
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99.7%ExcellentΒ· 141.4k
View on eBayOpen listing β†’
Dell OEM KXH4R Intel I226-T1 2.5GbE RJ45 PCIe x1 Ethernet NIC Full Height Tested
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UsedBuy It Now

Dell OEM KXH4R Intel I226-T1 2.5GbE RJ45 PCIe x1 Ethernet NIC Full Height Tested

Includes the full-height bracket shown in the photos.

$25.99
Free ShippingPiedmont, US
piedmontreeltimemoviesTOP
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99.5%ExcellentΒ· 8.0k
View on eBayOpen listing β†’
HP 669279-001 560SFP+ Ethernet 10Gb 2-Port Network Adapter Card W/SFPx2 -Both
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Very Good - RefurbishedBuy It NowBest Offer

HP 669279-001 560SFP+ Ethernet 10Gb 2-Port Network Adapter Card W/SFPx2 -Both

Both Bracket.

$14.99
Free ShippingPomona, US
apleraTOP
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99.9%ExcellentΒ· 25.5k
View on eBayOpen listing β†’
OEM Mellanox MCX312C-XCCT Dual Port 10GB SFP+ConnectX-3 Ethernet/A,Low Bracket
UsedBuy It NowBest Offer

OEM Mellanox MCX312C-XCCT Dual Port 10GB SFP+ConnectX-3 Ethernet/A,Low Bracket

Compatible with PCIe x8 ports, this adapter is ideal for enhancing the networking capabilities of servers and other devices.

$18.75
Free ShippingUS
irzu-60
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99.6%ExcellentΒ· 456
View on eBayOpen listing β†’
Dell 05N7Y5 Intel X710-DA2 10GB SFP+ Dual Port Network Card W/1 SFP Low Profile
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Very Good - RefurbishedBuy It Now

Dell 05N7Y5 Intel X710-DA2 10GB SFP+ Dual Port Network Card W/1 SFP Low Profile

$32.99
Free ShippingPomona, US
apleraTOP
Feedback
99.9%ExcellentΒ· 25.5k
View on eBayOpen listing β†’
HPE 657128-001 656594-001 Ethernet 10Gb 2-Port 530T 10GBase-T PCIe 2.0 Adapter
UsedBuy It NowBest Offer

HPE 657128-001 656594-001 Ethernet 10Gb 2-Port 530T 10GBase-T PCIe 2.0 Adapter

This Policy explains what Personal Data we collect from you, why we collect and process your personal data, when and with whom your personal data is shared, and your rights with respect to your Personal Data.

$12.98
Free ShippingSaint Charles, US
epc-smallparts
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99.9%ExcellentΒ· 46.3k
View on eBayOpen listing β†’
DELL PERC H740P 12GBPS 8GB NV MINI MONO RAID CONTROLLER R640 R740 R740XD GP6RN
UsedBuy It Now

DELL PERC H740P 12GBPS 8GB NV MINI MONO RAID CONTROLLER R640 R740 R740XD GP6RN

Part No 0878M / 5FMY4 / GP6RN. Manufacturer DELL. HARD DRIVE BACKPLANE. HARD DRIVE TRAYS. GRAPHICS CARDS. ANTI-STATIC BAGS. SERVER BOARDS. THERMAL GREASE.

$149.99
Free ShippingFlower Mound, US
pcsworld0812
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100.0%ExcellentΒ· 4.7k
View on eBayOpen listing β†’
Alibaba Accelerator Card xilinx FPGE XCKU3P-FFVB676 R1291-F9003-02 High /low baf
UsedBuy It Now

Alibaba Accelerator Card xilinx FPGE XCKU3P-FFVB676 R1291-F9003-02 High /low baf

We will respond within 24 hours.

$123.50
+$2.98CN
yumenfure
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100.0%ExcellentΒ· 31
View on eBayOpen listing β†’
LSI 9300-16i 12Gb/s SAS/SATA HBA IT Mode 16.00.12.00 TrueNAS UnRaid Cable Option
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UsedBuy It Now

LSI 9300-16i 12Gb/s SAS/SATA HBA IT Mode 16.00.12.00 TrueNAS UnRaid Cable Option

This is the most thorough way to update these cards. Regarding the six pin power cable: This cable is only needed if your PCIe slot does not provide the required 27w of power. All PCIe 16x slots will be able to provide this.

$99.95
Free ShippingGuston, US
bitsquadTOP
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100.0%ExcellentΒ· 6.8k
View on eBayOpen listing β†’
HPE Smart Array P816i-a SR SAS 4GB Cache 12G Gen10 Raid Controller 836261-001
UsedBuy It NowBest Offer

HPE Smart Array P816i-a SR SAS 4GB Cache 12G Gen10 Raid Controller 836261-001

30 day warranty

$119.99
Free ShippingSherrills Ford, US
e-rebirth
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99.3%ExcellentΒ· 3.5k
View on eBayOpen listing β†’
E810-XXVDA4 INTEL Ethernet 10/25Gb Quad-Port SFP28 PCIe 4.0 AdapteE810XXVDA4G2P5
UsedBuy It NowBest Offer

E810-XXVDA4 INTEL Ethernet 10/25Gb Quad-Port SFP28 PCIe 4.0 AdapteE810XXVDA4G2P5

It is ideal for virtualization, cloud computing, storage networking, and high-performance enterprise data center applications. The adapter also supports advanced networking technologies including RDMA (RoCEv2 and iWARP), SR-IOV, and virtualization offloads for maximum performance and low latency.

$239.99
Free ShippingSan Jose, US
shop-mydatacenter
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100.0%ExcellentΒ· 1.7k
View on eBayOpen listing β†’
(Factory Refurbished) GIGABYTE WiFi 7 Bluetooth PCIe Expansion Card GC-WIFI7
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Certified - RefurbishedBuy It Now

(Factory Refurbished) GIGABYTE WiFi 7 Bluetooth PCIe Expansion Card GC-WIFI7

GIGABYTE manufacturer refurbished unit. WiFi GenerationWi-Fi 7. Frequency Band2.4 GHz / 5 GHz / 6 GHz. StandardsIEEE 802.11 a/b/g/n/ac/ax/be.

$29.99
Free ShippingChino, US
ultrapartsrenewedTOP
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99.8%ExcellentΒ· 5.6k
View on eBayOpen listing β†’
Intel AX201NGW NGFF E-key Wi-Fi 6 Bluetooth 5.2 card
UsedBuy It Now

Intel AX201NGW NGFF E-key Wi-Fi 6 Bluetooth 5.2 card

No antennas or screws included.

$6.82
Free ShippingPalm Bay, US
awana-summit
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100.0%ExcellentΒ· 325
View on eBayOpen listing β†’
Dell Dual-Port 10GbE SFP+ PCIe Network Adapter Dell P/N: 0DDF4D Tested Working
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UsedBuy It Now

Dell Dual-Port 10GbE SFP+ PCIe Network Adapter Dell P/N: 0DDF4D Tested Working

We understand if you encounter any setbacks. Item is in good working condition unless otherwise stated. Any parts not photographed WILL NOT be included.

$8.99
Free ShippingSaint Paul, US
minnesotacomputersTOP
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99.8%ExcellentΒ· 25.8k
View on eBayOpen listing β†’
Dell MRT0D Mellanox  CX4121C ConnectX-4 Lx Dual-Port 25GbE SFP28 PCIe SFP+ NIC
UsedBuy It NowBest Offer

Dell MRT0D Mellanox CX4121C ConnectX-4 Lx Dual-Port 25GbE SFP28 PCIe SFP+ NIC

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

$34.99
Free ShippingChino, US
g-electronic
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99.7%ExcellentΒ· 141.4k
View on eBayOpen listing β†’
Dell DW5821e LTE WWAN Card Foxconn T77W968.73 Qualcomm X20 Pulled OE
UsedBuy It Now

Dell DW5821e LTE WWAN Card Foxconn T77W968.73 Qualcomm X20 Pulled OE

πŸ“ΆDell DW5821e LTE WWAN Wireless Card πŸ“Ά. Simply adjust the quantity if you need multiple modules. Model: DW5821e. Foxconn Part Number: T77W968.73. 1x Dell DW5821e WWAN Card. All modules are genuine Dell DW5821e WWAN cards with the Foxconn T77W968 family.

$14.98
Free ShippingNashville, US
r-richards_itad
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100.0%ExcellentΒ· 291
View on eBayOpen listing β†’
HPE 556FLR-SFP+  732454-001  10GB 2-Port 764460-001   FLEXFABRIC   LOT OF 10
UsedBuy It Now

HPE 556FLR-SFP+ 732454-001 10GB 2-Port 764460-001 FLEXFABRIC LOT OF 10

This item is tested and is in good working condition.

$97.99
Free ShippingPhoenix, US
aztechgroup
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100.0%ExcellentΒ· 12.7k
View on eBayOpen listing β†’
1PCS A5E00292687 via DHL or Fedex fast shipping
UsedBuy It NowBest Offer

1PCS A5E00292687 via DHL or Fedex fast shipping

We keep our promises that we will provide you with the best solution within 24 hours. Ambient temperature /.

$409.20
+$25.00CN
system-board-depot
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100.0%ExcellentΒ· 12
View on eBayOpen listing β†’