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NVIDIA · Network Adapter
MCX516A-CDAT
NVIDIA ConnectX-5 EN Network Adapter
- Manufacturer
- NVIDIA
- Family / generation
- ConnectX-5
- Product type
- Network Adapter
- Lifecycle
- Discontinued / EOL
Current availability is confirmed at RFQ.
Request Current Stock & PriceProduct overview
MCX516A-CDAT is the exact OPN for an NVIDIA ConnectX-5 Ethernet adapter with two QSFP28 ports supporting up to 100Gb/s Ethernet through a PCIe 3.0/4.0 x16 host interface. NVIDIA documents PCIe 4.0 capability while noting that the manual revision had certification on PCIe 3.0 servers and PCIe 4.0 interface testing pending. Buyers should verify the complete MCX516A-CDAT OPN and host qualification for this dual-port configuration.
Exact identifiers
Legacy OPNMCX516A-CDAT
NVIDIA SKU900-9X5AD-0056-ST7
PSIDMT_0000000013
Verified technical specifications
- Protocol
- ethernet
- Maximum network speed
- 100 Gb/s
- Port count
- 2
- Port type
- QSFP28
- PCIe generation
- PCIe 4.0Condition: PCIe 4.0 capability is documented; the manual revision states that MCX516A-CDAT was tested and certified with PCIe 3.0 servers and that PCIe 4.0 interface testing was pending.
- PCIe lanes
- x16
Lifecycle & procurement context
Manufacturer lifecycle: Discontinued / EOL
Lifecycle is manufacturer product status, not a statement of current stock. Availability and price are confirmed by RFQ.
Verified Manufacturer & OEM Sources
Official manufacturer or OEM technical sources supporting the product identity and facts shown here. These sources establish product facts; they are separate from YOSHI material inspection.
NVIDIA
Manufacturer official · Version 16.35.3502 LTS · Verified 2026-09-05
Claims supported by this source
- Exact MPN
- Applies at Exact-MPN level
- NVIDIA SKU
- Applies at Exact-MPN level
- PSID
- Applies at Exact-MPN level
NVIDIA
Manufacturer official · Verified 2026-09-05
Claims supported by this source
- Lifecycle status
- Applies at product model/family level
- Manufacturer
- Applies at product model/family level
- Maximum network speed
- Applies at Exact-MPN level
- PCIe generation
- Applies at Exact-MPN levelCondition: PCIe 4.0 capability is documented; the manual revision states that MCX516A-CDAT was tested and certified with PCIe 3.0 servers and that PCIe 4.0 interface testing was pending.
- PCIe lanes
- Applies at Exact-MPN level
- Port count
- Applies at Exact-MPN level
- Port type
- Applies at Exact-MPN level
- Product category
- Applies at product model/family level
- Product family / generation
- Applies at product model/family level
- Product model
- Applies at product model/family level
- Product type
- Applies at product model/family level
- Protocol support
- Applies at product model/family level
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