| Product Type | Network Adapter |
| Form Factor | Stand up |
| Model Number | 874253-B21 |
| Series | HPE Ethernet 842QSFP28 |
| Device Type | PCIe Network Interface Card (NIC) |
| Power Consumption | 15.1 Watt |
| Power Supply | Bus-powered via PCIe |
| Operating Voltage | 12V via PCIe Slot |
| Warranty Type | Limited Warranty |
HP HPE 842QSFP28 100Gb PCIe Network Adapter, 1-Port, 874253-B21

Key Benefits
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- Delivers ultra-high 100Gbps bandwidth ideal for modern data center workloads
- Multiple protocol and speed compatibility allows seamless integration and scalability
- Energy-efficient 15.1W operation helps optimize performance without increasing energy costs
Product Overview
The HP HPE ETH 100GB 1P 842QSFP28 Adapter is a high-speed networking solution engineered for enterprise and data center environments. With a single 100Gbps port via QSFP28 and PCI Express 3.0 x16 interface, it supports bandwidth-intensive applications such as virtualization and cloud deployments. The adapter complies with multiple IEEE standards, offering robust protocol compatibility and QoS support.
Its adjustable link support from 1 to 100Gbps, efficient 15.1W power use, and TAA and RoHS compliance make it ideal for evolving infrastructure. Backed by HP’s warranty and Israeli build quality, this network adapter is a cost-effective and scalable solution for high-performance server deployments.
Specifications
Product Overview
Physical & Environmental
| Dimensions (W x D) | 6.6 in x 2.7 in (167.6 mm x 68.6 mm) |
| Card Height | Full-height (standard bracket installed) |
| Weight | 0.54 lb (0.25 kg) |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Operating Humidity | 10% to 85% (non-condensing) |
| Storage Humidity | 5% to 90% (non-condensing) |
Cloud Management & Licensing
| Remote Management | Compatible with HPE Insight Management |
| OS Compatibility | Windows Server, Linux (Red Hat, SUSE), VMware ESXi |
| Driver Support | Available via HPE Support Portal |
| Licensing Requirements | None (hardware purchase only) |
Networking Compliant Standards
| IEEE Standards | 802.1p, 802.1Qaz, 802.1Qbb, 802.1AS, 802.3ad, 802.3by, 1588, 802.3-2012, 802.3by-2016, 802.1Q |
Interfaces
| Interface Type | PCI Express 3.0 x16 |
| Port Count | 1 |
| Port Configuration | 1 x 100GbE QSFP28 |
| Data Transfer Rate | 100 Gbps |
| Supported Speeds | 1/10/25/40/50/100 Gbps |
| Connector Type | QSFP28 |
| Transport Protocol | Gigabit Ethernet |
| Data Link Protocol | 100 Gigabit Ethernet |
| Interface Bandwidth | 16 GT/s (per direction) |
Compliance & Origin
| Country of Origin | Israel |
| TAA Compliant | Yes |
| RoHS Compliant | Yes |
| Certifications | IEEE, RoHS, TAA |
| Regulatory Standards | FCC Class A, CE, VCCI, CCC |
Advanced Security Features
| Secure Boot Support | Yes, UEFI secure boot capable |
| Hardware Root of Trust | Yes (via server integration) |
| SR-IOV Support | Yes |
| Data Protection Features | Checksum offload, TSO, LRO, VLAN tagging |
| QoS Support | IEEE 802.1p, 802.1Qaz |