Cheapest now $199See it on eBay →
Lowest now$199
Typical (median)$459
7 days▲ 3.6%
30 days—
Live listings61
Buy or wait? Fair price: today's low is within 0% of its 18-day average.
Cheapest Mellanox ConnectX-5 MCX516A (100GbE) listings right now
| Listing | Condition | Price + ship | ||
|---|---|---|---|---|
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Mellanox ConnectX-5 100GbE 2-Port QSFP28 PCIe Card MCX516A-CCAT **miss component Buy It Now offers | Used | $199 free ship | View on eBay |
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Mellanox MCX516A-CCAT ConnectX-5 100GbE Dual Port QSFP28 CX516A Network Adapter Buy It Now offers | Used | $250 sale: was $260, −4% free ship | View on eBay |
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Mellanox MCX516A-CCAT ConnectX-5 EN 100GbE Dual Port QSFP28 PCIe 3.0 x16 NIC Buy It Now offers | Used | $260 free ship | View on eBay |
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MCX516A-GCAT Mellanox CX516A ConnectX 5 EN 2Port 50GbE Network Card Buy It Now offers | Used | $319 free ship | View on eBay |
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MCX516A-GCAT MELLANOX CONNECTX-5 EN PCI-E DUAL PORT ADAPTER CARD CX516A Buy It Now offers | Used | $330 free ship | View on eBay |
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NEW Mellanox MCX516A-GCAT ConnectX-5 EN 50GbE Dual-Port QSFP28 NIC PCIe x16 Buy It Now | New | $339 free ship | View on eBay |
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MCX516A-CCHT Mellanox ConnectX-5 100GbE Dual-Port QSFP28 2P PCIe Adapter Card Buy It Now offers | Used | $346 | View on eBay |
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Mellanox MCX516A-GCAT CX516A 50G ConnectX-5 Nvidia Network Card Dual Port 50GbE Buy It Now offers | New | $349 free ship | View on eBay |
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MCX516A-CCAT_C21 Mellanox ConnectX-5 100GbE Dual-Port QSFP28 2P PCIe Adapter Car Buy It Now | Used | $375 free ship | View on eBay |
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** MCX516A-GCAT Mellanox ConnectX-5 Dual-Port 50GbE PCI-E Network Adapter** Buy It Now offers | Used | $376 free ship | View on eBay |
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MCX516A-GCAT Mellanox ConnectX-5 CX516A 50GbE PCIe x16 Dual-Port Network Adapter Buy It Now offers | Used | $376 free ship | View on eBay |
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Mellanox ConnectX-5 MCX516A-GCAT 2-Port 50Gbps PCI-e x16 QSFP28 Network Adapter Buy It Now offers | Used | $377 free ship | View on eBay |
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MCX516A-GCAT Mellanox ConnectX-5 Dual-Port 50GB/s PCIe Gen 3 QSFP28 Adapter Card Buy It Now offers | Used | $380 free ship | View on eBay |
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Mellanox CX516A ConnectX-5 100G MCX516A-CCAT 2-Port QSFP28 PCI-E Adapter Buy It Now offers | Used | $389 free ship | View on eBay |
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MCX516A-CCAT Mellanox CX516A ConnectX-5 100GbE 2Port QSFP28 Adapter Buy It Now offers | Used | $395 free ship | View on eBay |
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Mellanox MCX516A-CCAT ConnectX-5 100GbE Dual Port QSFP28 CX516A Network Adapter Buy It Now offers | Used | $398 free ship | View on eBay |
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Mellanox MCX516A-CDAT ConnectX-5 100GbE Dual Port QSFP28 Network Adapter Buy It Now offers | Used | $399 free ship | View on eBay |
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Mellanox ConnectX-5 100GbE Dual Port QSFP28 Network Adapter MCX516A-CDAT Buy It Now offers | Used | $399 free ship | View on eBay |
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NEW MCX516A-GCAT Mellanox CX516A ConnectX 5 EN 2Port 50GbE Network Card Buy It Now offers | New | $399 free ship | View on eBay |
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[ I ] Mellanox MCX516A-GCAT CX516A ConnectX 5 EN 2Port 50GbE Network Card Buy It Now offers | New | $400 | View on eBay |
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NVIDIA Mellanox MCX516A-CCAT ConnectX-5 Dual Port 100GbE QSFP28 NIC FH Buy It Now offers | Used | $400 free ship | View on eBay |
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Mellanox MCX516A-CCAT ConnectX-5 100GbE Network Adapter Card CX516A Low Profile Buy It Now | Used | $400 free ship | View on eBay |
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Dell 71C1T Mellanox MCX516A-CDAT ConnectX-5 EN 100GbE 2-Port PCIe 4.0 x16 NIC Buy It Now | Used | $400 free ship | View on eBay |
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Mellanox MCX516A-CCAT ConnectX-5 100GbE Dual Port QSFP28 CX516A Network Adapter Buy It Now offers | Used | $400 free ship | View on eBay |
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New MCX516A-CDAT Mellanox ConnectX-5 (2)100GbE QSFP28 PCIe 4.0x16 Network Card Buy It Now | New | $401 | View on eBay |
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MCX516A-CCHT Mellanox ConnectX-5 100GbE Dual-Port QSFP28 2P PCIe Adapter Card Buy It Now offers | Used | $409 free ship | View on eBay |
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Mellanox MCX516A-CDAT ConnectX-5 100GbE Dual Port QSFP28 Network Adapter Buy It Now offers | Open box | $429 free ship | View on eBay |
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Mellanox MCX516A-CCAT ConnectX-5 EN 100GbE Dual Port QSFP28 PCIe 3.0 x16 NIC Buy It Now offers | New | $430 free ship | View on eBay |
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Mellanox MCX516A-CDAT ConnectX-5 100GbE Dual Port QSFP28 Network Adapter Buy It Now offers | Used | $436 free ship | View on eBay |
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MCX516A-CDAT MELLANOX CONNECTX-5 DUAL PORT 100GBE QSFP28 NETWORK CARD CX516A Buy It Now | Open box | $450 free ship | View on eBay |
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Where today's prices sit
61 live listings by price (item + shipping). The highlighted bar is the cheapest band.
Price history
typical asking price lowest asking price
Market read
Of 61 Buy It Now listings, 42 used (from $199), 17 new (from $339), 2 refurb (from $510). The cheapest used copy is 41% below the cheapest new one. 93% ship free; the rest add $11.36 shipping at the median. The middle half of asking prices runs $398 to $559, so anything under $398 is in the cheapest quarter. Lowest we have recorded since 2026-10-19: $199 on 2026-10-19 — today matches it.
Asking prices of US eBay listings including shipping, as of 2026-11-05 (checked twice a day); we earn a commission on purchases through these links; parts, broken units and accessories are filtered out. How we price.
Head to head
- Mellanox ConnectX-5 MCX516A (100GbE) vs Intel E810-XXVDA2 (25GbE)
- Mellanox ConnectX-5 MCX516A (100GbE) vs Mellanox ConnectX-6 Dx MCX623106 (100GbE)
Compare
- Mellanox ConnectX-3 MCX354A (40/56GbE) $19.99
- Mellanox ConnectX-3 MCX311A (10GbE) $22.99
- Mellanox ConnectX-4 MCX4131A (50GbE) $29.49
- Mellanox ConnectX-6 Dx MCX623106 (100GbE) $757
- Intel X540-T2 (10GBase-T) $21.95
- Intel X550-T2 (10GBase-T) $72.98
- Intel XXV710-DA2 (25GbE) $44.00
- Intel E810-XXVDA2 (25GbE) $136
- Chelsio T520-CR (10GbE) $24.00
- Broadcom BCM57414 (25GbE) $25.71