Specifications
Ordering Code
E810CQDA1 / E810CQDA1BLK
Controller
Intel Ethernet Controller E810
Ports
1 × 100GbE QSFP28 (or 50/25/10G)
Form Factor
PCIe add-in card (low profile / full height bracket options)
Host Interface
PCIe (see per-model lane/Gen detail above)
Bracket Options
Low-profile and full-height brackets supplied
Network Standards
IEEE 802.3 Ethernet; IEEE 802.1Q VLAN; IEEE 1588 PTP (model dependent)
Virtualization
SR-IOV, VMDq, MAC/VLAN filtering, 802.1Qbg edge virtual bridging
Offloads
TCP/UDP/IP checksum, TSO/LRO, RSS, DCB, FCoE/iSCSI (model dependent)
Management
PXE boot, iSCSI boot, UEFI option ROM, NC-SI (model dependent)
Operating Temperature
0 °C to +55 °C (server-class airflow required)
Compliance
RoHS, CE, FCC Class A
Source
Factory-sealed OEM / retail pack, traceable batch
Lead Time
In stock; 3-7 day dispatch for standard volumes
MOQ
1 unit (sample); volume tiers from 10 units
PCIe Host Interface
PCIe 4.0 x16 (16 GT/s)
Breakout
100G → 4 × 25G or 2 × 50G with breakout cable
Queue Pairs
Up to 256
RDMA
RoCEv2 and iWARP
Timing
Hardware IEEE 1588 PTP
Target Market
100G ToR uplinks, storage fabric, single-port leaf nodes
Overview
The Intel E810-CQDA1 is the single-port 100GbE QSFP28 member of the E810 line. One port keeps the BOM and cabling simple where a node needs a single high-bandwidth uplink rather than redundant paths.
Breakout support converts the port into four independent 25G links, so the same card can function as a 4 × 25G adapter when connected to a breakout-capable switch — useful in lab and migration scenarios.
Key Benefits
100GbE from one port with 50/25/10G negotiation. Breakout ready: 4 × 25G from one QSFP28. RoCEv2 + hardware PTP. Lower cost than dual-port 100G.
Applications
100G top-of-rack uplinks, single-port storage initiators, lab and interconnect test beds, distributed storage clients, and media production nodes.
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