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J8440C
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- HP X131 10G X2 CX4 Transceiver
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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J8440C Overview
J8440C is a high-performance SFP+ transceiver engineered for robust 10G Ethernet connectivity in modern data centers, enterprise networks, and telecom environments. Designed with an LC connector and optimized for multi-mode fiber, it supports short-range transmission distances up to 300 meters while maintaining compliance with Ethernet standards for reliable data transport.
Crafted with a compact form factor and precise physical dimensions, J8440C delivers efficiency and ease of integration in diverse networking scenarios. Officially supporting key protocols and exhibiting low power consumption, it is ideally suited for mission-critical applications where performance and scalability are paramount.
What is the price of J8440C?
Pricing for J8440C is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for J8440C.
Explore more options from Transceivers or explore other Hpe products.
J8440C 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 |
| Network Interface | Ethernet |
| Power Consumption | 3.5 W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | J8440C 10G SFP+ Transceiver |
| Height | 0.5 inches |
| Width | 0.6 inches |
| Depth | 0.7 inches |
| Weight | 0.1 lbs |
J8440C Use Case
High-Density Data Center Spine-Leaf Interconnect
In large-scale data centers running thousands of virtual machines, IT architects deploy the J8440C-HP X131 10G X2 CX4 Transceiver to establish redundant 10 Gbps links between spine and leaf switches. This scenario delivers consistent low latency and simplifies cabling with CX4 copper Twinax, enabling up to 24 ports per chassis. Benefit: maximized port density, streamlined operations, and predictable performance for real-time applications.
Enterprise SAN Replication over 10G CX4 Copper
A global enterprise storage team uses the J8440C-HP X131 10G X2 CX4 Transceiver to link primary and DR storage arrays across server racks with 10 Gbps fiber-channel over copper. In this scenario, synchronous replication maintains RPOs under one second while reducing fiber-optic spend. Benefit: accelerated backups, robust disaster recovery, and lower total cost of ownership through economical CX4 connectivity.
HPC Cluster Low-Latency Compute Node Connectivity
Research institutions deploying high-performance computing clusters integrate the J8440C-HP X131 10G X2 CX4 Transceiver to interconnect compute nodes and GPU racks. This setup delivers sub-2 µs port-to-port latency and sustained 9.95 Gbps throughput for MPI workloads. Benefit: optimized parallel processing, minimized jitter for scientific simulations, and scalable expansion without costly recabling.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Depth | 1.3 inches | 3.10 inches | 0.7 inches | 1.65 inches | 0.70 inches |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Single-mode | Multi-mode |
| Form Factor | SFP+ | SFP+ | SFP+ | SFP+ | SFP+ |
| Height | 0.6 inches | 0.84 inches | 0.5 inches | 0.35 inches | 0.15 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 80 km | 300 meters | 300 meters | 10 km | 300 meters |
| Network Interface | Fiber | Fiber | Ethernet | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 3.5 W | 3.5W | 3.5 W | 3.7W | 3.5W |
| Product Name | JD119B High Performance SFP+ Transceiver | J8177C SFP+ Transceiver Module | J8440C 10G SFP+ Transceiver | JD063B 10G SFP+ Long Range Transceiver | QW928A High-Performance SFP+ Transceiver |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Long-Range | Short-Range |
| Wavelength | 1310nm | 850nm | 850 nm | 1310nm | 850nm |
| Weight | 0.1 lbs | 0.07 lbs | 0.1 lbs | 0.1 lbs | 0.05 lbs |
| Width | 1.0 inches | 1.18 inches | 0.6 inches | 0.87 inches | 0.55 inches |
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Questions & Answers
Q
What is the HP X131 10G X2 CX4 Transceiver (SKU J8440C)?
A
The HP X131 10G X2 CX4 Transceiver (SKU J8440C) is a high-performance, hot-pluggable 10 Gigabit Ethernet copper transceiver designed for CX4 twinax cabling, providing reliable, low-latency connectivity in HP networking environments.
Q
Which HP switches are compatible with the J8440C transceiver?
A
The J8440C transceiver is compatible with HP switches featuring X2 ports, including HP 8200 zl Series, HP 5400R/5500 EI/5900 Series, and HP 10500/12500 Core Switches. Verify firmware and port compatibility before deployment.
Q
What cable type is required for the HP X131 10G X2 CX4 Transceiver?
A
The HP X131 10G X2 CX4 Transceiver requires CX4 twinax copper cables (12 Gbps aggregate throughput), optimized for 10 Gigabit Ethernet connections up to 15 meters.
Q
What is the maximum transmission distance for the J8440C transceiver?
A
The J8440C transceiver supports up to 15 meters (49.2 feet) over CX4 twinax copper cables.
Q
How do I install the HP X131 10G X2 CX4 Transceiver in my switch?
A
To install the J8440C transceiver: 1. Ensure the switch port is inactive. 2. Align the module with the X2 port. 3. Slide the transceiver until it snaps into place. 4. Connect the CX4 cable and activate the port via the switch CLI or web interface.
Q
Does the HP X131 transceiver support hot swapping?
A
Yes, the HP X131 10G X2 CX4 Transceiver (J8440C) is hot-pluggable and can be inserted or removed without powering down the switch, ensuring minimal network disruption.
Q
Can I use the J8440C transceiver with non-HP networking equipment?
A
While the J8440C is engineered for HP networking hardware, it may interoperate with non-HP switches that fully adhere to the 10G-X2 CX4 MSA specifications. Always verify cross-vendor compatibility before deployment.
Q
What is the power consumption of the HP X131 10G X2 CX4 Transceiver?
A
The J8440C transceiver consumes approximately 2.5 W of power, delivering efficient operation for high-density 10 Gigabit Ethernet deployments.
Q
What warranty does the HP X131 10G X2 CX4 Transceiver include?
A
The HP X131 10G X2 CX4 Transceiver (SKU J8440C) is covered by HP’s limited lifetime warranty, which includes free technical support and hardware replacement in case of manufacturing defects.
Q
How can I troubleshoot link issues with the J8440C transceiver?
A
To troubleshoot: 1. Verify CX4 cable integrity and length. 2. Confirm firmware compatibility on both endpoints. 3. Check port status via 'show interfaces'. 4. Replace the transceiver or cable if the issue persists.
Q
What network protocols does the HP X131 10G X2 CX4 Transceiver support?
A
The J8440C transceiver supports 10 Gigabit Ethernet (10GbE) over copper CX4 cabling, fully compliant with IEEE 802.3ae standards.
Q
What are the physical dimensions of the J8440C transceiver?
A
The HP X131 10G X2 CX4 Transceiver measures 78 mm (length) × 14 mm (width) × 12 mm (height), making it suitable for high-density switch deployments.
Q
How do I verify the firmware version for the J8440C transceiver?
A
Log into the HP switch CLI and execute 'show system firmware' or 'show module' commands. Ensure the firmware version matches HP’s compatibility matrix for CX4 transceivers.
Q
Where can I purchase the HP X131 10G X2 CX4 Transceiver (J8440C)?
A
You can purchase the J8440C transceiver from authorized HP resellers, the HP Online Store, or reputable third-party marketplaces. Always buy from certified vendors to ensure genuine HP optics.
Q
What performance benefits does CX4 copper cabling offer for the J8440C transceiver?
A
CX4 copper cabling delivers: 1. Low latency and high throughput. 2. Cost-effective short-reach connections. 3. Enhanced signal integrity up to 15 m. 4. Simplified installation without fiber terminations.
Q
How do I dispose of or recycle the HP J8440C transceiver responsibly?
A
Dispose of the J8440C transceiver following local electronic waste regulations or through HP’s Product Return and Recycling Program to ensure environmentally responsible recycling.
