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25km FC SFP delivered stable long haul connectivity.
AW538A
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HP B-series 8Gb LW 25km FC SFP 1 Pack
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AW538A
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- HP B-series 8Gb LW 25km FC SFP 1 Pack
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AW538A Overview
AW538A is a 10G SFP+ transceiver featuring an LC connector that delivers high-speed data transmission over multi-mode fiber for short-range applications. Designed with precise physical dimensions in mind, this transceiver supports Ethernet and Fibre Channel protocols, making it an ideal choice for data centers, enterprise networks, and telecom environments.
Engineered for reliability and performance, the AW538A SFP+ transceiver is built to integrate seamlessly into modern network infrastructures. With robust compliance to industry standards and compact form factor specifications, it ensures efficient connectivity and optimal performance for mission-critical applications in various high-density deployments.
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AW538A Specifications
- Product Type
- Transceiver
- Form Factor
- SFP+
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 850 nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 300 meters
- Supported Protocols
- Ethernet, Fibre Channel
- Network Interface
- Ethernet
- Power Consumption
- 3.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- AW538A SFP+ Transceiver
- Height
- 0.65 inches
- Width
- 1.45 inches
- Depth
- 1.00 inches
- Weight
- 0.12 lbs
AW538A Use Case
Disaster-Recovery SAN Extension Across Metro Data Centers
In a multi-site enterprise environment, IT architects deploy the AW538A-HP B-series 8Gb LW 25 km FC SFP 1 Pack to link primary and backup storage area networks (SANs) over dark-fiber spanning up to 25 km. This setup delivers enterprise-grade 8 Gbps throughput and sub-2 µs latency, enabling synchronous replication, rapid failover and near-zero RPO for mission-critical applications.
High-Performance Backup and Archival for Financial Institutions
A financial services firm integrates the AW538A-HP 8Gb LW 25 km FC SFP into its remote tape library infrastructure to securely back up high-value transaction logs. The fiber channel link affords 8 Gbps sustained write speed with end-to-end error checking, ensuring data integrity, accelerated backup windows and compliance-ready retention without compromising production workloads.
Campus-Wide HPC Storage Interconnect for Research Clusters
A university research lab connects compute clusters and a centralized parallel file system using the AW538A-HP B-series 8Gb LW 25 km FC SFP over campus fiber optics. This solution delivers low-latency, high-bandwidth storage access across 25 km, dramatically reducing I/O bottlenecks, improving job throughput by up to 30% and supporting data-intensive simulations in genomics and climate modeling.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| AW538A |  AP824A |  B7E21A |  AP818A |  AJ906A | |
|---|---|---|---|---|---|
| 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 | 850 nm | 850 nm | 1310 nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Fiber Type | Multi-mode | Multi-mode | Multi-mode | Multi-mode | Single-mode |
| Max Distance | 300 meters | 300 meters | 300 meters | 300 meters | 10 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Ethernet | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | 3.5W | 1.5W | 2.5W | 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 | AW538A SFP+ Transceiver | AP824A Optical Transceiver | B7E21A SFP+ 10GBASE-SR Transceiver | AP818A - 10G SFP+ Multi-mode Transceiver | AJ906A 10G SFP+ Transceiver |
| Height | 0.65 inches | 0.3 inches | 0.17 inches | 0.72 inches | 0.55 inches |
| Width | 1.45 inches | 0.47 inches | 0.28 inches | 1.3 inches | 0.55 inches |
| Depth | 1.00 inches | 0.7 inches | 1.0 inches | 1.4 inches | 2.5 inches |
| Weight | 0.12 lbs | 0.1 lbs | 0.05 lbs | 0.08 lbs | 0.15 lbs |
Reviews & Ratings
N
Naveed Aslam
5
Good optical power.
J
Jan Peters
5
Recognized immediately.
J
Juho Rinne
5
Reliable performance.
K
Kyle Watson
4
Met needs.
Questions & Answers
What is the HP AW538A B-series 8Gb LW 25km FC SFP module?
The HP AW538A is an 8 Gbps low-wavelength (1310 nm) 25 km single-mode Fibre Channel SFP transceiver designed for HP B-series SAN and ProCurve switches.
What data transfer rate does the AW538A support?
The AW538A supports a native Fibre Channel rate of 8 Gbps and is backwards compatible with 4 Gbps and 2 Gbps links.
What maximum distance can the AW538A module cover?
Using single-mode fiber, the AW538A can reliably transmit up to 25 kilometers.
Which fiber cable type is required for the AW538A?
The AW538A requires standard single-mode (OS1/OS2) 9/125 µm fiber optic cable.
What optical wavelength does the AW538A use?
This transceiver operates at a 1310 nm wavelength, optimized for long-reach Fibre Channel links.
Which HP devices are compatible with the AW538A?
The AW538A is fully compatible with HP B-series SAN switches, HP ProCurve switches, and HP server HBA cards that support 8 Gbps SFP modules.
Is the AW538A hot-pluggable?
Yes. The AW538A follows the SFP MSA specification and supports hot-plug installation without powering down the host device.
Is the AW538A MSA compliant?
Yes. The AW538A adheres to the SFP Multi-Source Agreement (MSA) for interoperability across certified Fibre Channel equipment.
What connector type is used by the AW538A?
The module uses a standard LC duplex optical connector compatible with single-mode fiber cables.
What is the operating temperature range of the AW538A?
The AW538A is rated for operating temperatures from 0 °C to 70 °C (32 °F to 158 °F) in an ambient environment.
How much power does the AW538A consume?
Typical power consumption for the AW538A is 1.5 W maximum, ensuring energy-efficient operation in dense switch environments.
Does the AW538A support auto-negotiation?
Yes. The AW538A supports Fibre Channel auto-sensing, allowing seamless rate negotiation at 2 Gbps, 4 Gbps, or 8 Gbps.
Can the AW538A be used in mixed-vendor environments?
Yes. Being MSA-compliant, the AW538A interoperates with other vendors’ certified 8 Gbps Fibre Channel equipment.
What is the form factor of the AW538A?
The AW538A features the Small Form-Factor Pluggable (SFP) design for high port density in modern SAN switches and HBAs.
How do I install the AW538A in my switch or HBA?
To install, power on the device, align the LC connector, insert the AW538A into the SFP slot until it clicks, and verify link activation via the host interface lights.
What warranty coverage does the AW538A include?
HP provides a limited lifetime warranty on the AW538A when used with supported HP storage and networking products.