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10Gb SFP LR delivered clean long range connectivity.
QK727A
HP B-series 10Gb SFP+LR XCVR
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QK727A
HP B-series 10Gb SFP+LR XCVR
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QK727A is an SFP+ transceiver that supports a 10G data rate, featuring an LC connector and engineered for short-range transmission over multi-mode fiber. It is designed to deliver robust Ethernet connectivity, ensuring reliable performance in high-speed data communications.
QK727A comes in a compact SFP+ form factor with precise physical dimensions, making it ideally suited for data centers, enterprise networks, and telecom applications. Its proven compatibility with major hardware vendors ensures seamless integration into diverse network infrastructures while optimizing power efficiency and operational stability.
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Request bulk order quote for QK727A for additional pricing. Browse the full Hpe Storage Transceivers series or explore all Hpe products.
In hyperscale data centers, the QK727A-HP B-series 10Gb SFP+LR XCVR delivers reliable 10 Gbps links over single-mode fiber up to 10 km for spine-leaf switch interconnects. This solution optimizes server-to-switch traffic with ultra-low latency, scalable bandwidth and minimal signal degradation, ensuring seamless network expansion and peak performance.
For distributed enterprise campuses, the QK727A-HP B-series 10Gb SFP+LR XCVR establishes high-capacity 10 Gbps backbone connections between multiple buildings up to 10 km apart. The outcome is a consolidated network fabric that reduces latency, supports critical applications like VoIP and video conferencing, and maintains consistent throughput for business-critical data flows.
In scientific research and HPC environments, the QK727A-HP B-series 10Gb SFP+LR XCVR links compute nodes and storage arrays across remote racks or adjacent facilities over single-mode fiber. The clear benefit is accelerated data transfer, elimination of network bottlenecks and sustained low-latency 10 Gbps communication for parallel processing and large-scale simulations.
To get the detailed certification, please go to the Compliance Center.
 QK727A |  AJ906A |  B7E21A |  841716-B21 |  AJ717A | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | SFP+ | SFP+ | SFP+ | SFP |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850 nm | 1310 nm | 850 nm | 850 nm | 1310nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Fiber Type | Multi-mode | Single-mode | Multi-mode | Multi-mode | Single-mode |
| Max Distance | 300 meters | 10 km | 300 meters | 300 meters | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Power Consumption | 2.5 W | 3.5W | 1.5W | N/A | 3.5W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | QK727A 10G SFP+ Transceiver | AJ906A 10G SFP+ Transceiver | B7E21A SFP+ 10GBASE-SR Transceiver | 841716-B21 10GBASE-SR SFP+ Transceiver | AJ717A SFP Transceiver Module |
| Height | 0.28 inches | 0.55 inches | 0.17 inches | N/A | 0.3 inches |
| Width | 1.2 inches | 0.55 inches | 0.28 inches | N/A | 0.9 inches |
| Depth | 0.95 inches | 2.5 inches | 1.0 inches | N/A | 1.2 inches |
| Weight | 0.04 lbs | 0.15 lbs | 0.05 lbs | N/A | 0.15 lbs |
10Gb SFP LR delivered clean long range connectivity.
Good compatibility with switches.
Easy installation.
Reliable optics.
Satisfied overall.
The HP B-series 10Gb SFP+LR XCVR (QK727A) is a 1310 nm long-range 10 Gigabit SFP+ optical transceiver module for 10G Ethernet and Fibre Channel over single-mode fiber.
The QK727A supports a maximum reach of up to 10 km over single-mode fiber at a 10 Gb/s data rate.
The QK727A is compatible with single-mode fiber (OS1/OS2) for long-range connectivity.
This transceiver features an LC duplex connector for single-mode fiber connections.