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16Gb long wave SFP delivered reliable 10km links.
QK725A
HP B-series 16Gb SFP+LW 10km XCVR
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$3,400.00
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QK725A
HP B-series 16Gb SFP+LW 10km XCVR
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QK725A is a high-performance SFP+ transceiver engineered for 10G data rates, featuring an LC connector and optimized for short-range transmission. Designed with a compact form factor and precise physical dimensions, it supports Ethernet and Fibre Channel protocols, making it ideal for integration into dense data centers and enterprise networks.
The QK725A module is perfect for modern telecom and network applications, offering reliable connectivity and consistent performance. Its robust design, verified compatibility with major networking vendors such as Cisco, Juniper, Huawei, and Arista, and efficient power consumption make it a valuable component in high-speed infrastructure systems.
QK725A price is $1,921.00, a 43.5% saving from the Hpe list price of $3,400.00. QK725A is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QK725A for additional pricing. Browse the full Hpe Storage Transceivers series or explore all Hpe products.
In a large enterprise virtualization environment, the QK725A-HP B-series 16Gb SFP+LW 10 km XCVR connects hypervisor hosts to the Fibre Channel SAN fabric over single-mode fiber at 16 Gb/s with up to 10 km reach. This deployment delivers low-latency, lossless storage I/O, significantly increasing VM density and application performance while reducing host-to-storage bottlenecks.
For financial services firms requiring zero-RPO disaster recovery, the QK725A-HP B-series transceiver establishes a dedicated 10 km Fibre Channel link for synchronous storage replication. By ensuring constant 16 Gb/s bandwidth and sub-microsecond latency, this solution guarantees real-time data mirroring, compliance with regulatory SLAs, and uninterrupted business continuity.
In a multisite campus environment, the QK725A-HP B-series 16Gb SFP+LW module interconnects storage clusters across buildings up to 10 km apart. The result is a resilient, high-throughput backbone that supports mission-critical applications—minimizing downtime risk, simplifying capacity scaling, and optimizing cross-site data access for R&D, media processing, and analytics workloads.
To get the detailed certification, please go to the Compliance Center.
 QK725A |  AP824A |  N9X01A |  C8S75B |  AJ718A | |
|---|---|---|---|---|---|
| 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 | 850 nm | 850nm | 850nm | 850 nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Fiber Type | Multi-mode | Multi-mode | Multi-mode | Multi-mode | Multi-mode |
| Max Distance | 300 meters | 300 meters | 300 meters | 300m | 300 meters |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | 10G Ethernet |
| Network Interface | Ethernet | Ethernet | Ethernet | Fiber | Fiber |
| Power Consumption | 3.5W | 3.5W | 1.5W | 3.5W | 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 | QK725A High-Performance 10G SFP+ Transceiver | AP824A Optical Transceiver | N9X01A 10G SFP+ Transceiver | C8S75B 10G SFP+ Multi-mode Transceiver | AJ718A 10G SFP+ Optical Transceiver |
| Height | 0.5 inches | 0.3 inches | 0.16 inches | 0.33 inches | 0.57 inches |
| Width | 0.65 inches | 0.47 inches | 0.55 inches | 3.26 inches | 2.22 inches |
| Depth | 1.0 inches | 0.7 inches | 0.65 inches | 1.18 inches | 0.33 inches |
| Weight | 0.05 lbs | 0.1 lbs | 0.2 lbs | 0.10 lbs | 0.04 lbs |
16Gb long wave SFP delivered reliable 10km links.
Strong optical signal.
Installed easily.
Stable SAN connectivity.
Works as specified.
The HP B-series QK725A is a 16 Gbps SFP+ long-wavelength optical transceiver for single-mode fiber links up to 10 km, delivering reliable performance in HP networking environments.
The QK725A supports a line rate of 16 Gbps, making it ideal for high-performance SAN and data center applications.
This module provides up to 10 km of reach over single-mode fiber at 1310 nm wavelength.
The QK725A requires single-mode fiber (SMF) to achieve its maximum 10 km link distance.