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J4859C-C
Gigabit-LX-LC Mini-GBIC C Ver. HP X121 Compatible
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J4859C-C is a QSFP+ transceiver designed for high-speed data communications primarily in data center environments. It supports a 40G data rate, utilizes LC connectors, and is optimized for short-range transmission over multi-mode fiber using Ethernet protocols, ensuring efficient performance in compact network infrastructures.
Engineered with a precise QSFP+ form factor and physical dimensions of 0.62 inches in height, 1.17 inches in width, and 0.47 inches in depth, the J4859C-C is ideally suited for modern enterprise networks and telecom applications. Its design emphasizes low power consumption, robust operating and storage temperature ranges, and broad compatibility with major networking vendors.
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Request bulk order quote for J4859C-C for additional pricing. Browse the full Hpe Compatible Sfp series or explore all Orm products.
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 J4859C-C |  J9143B-C |  J4860D-C |  J8177B-C |  J4860C-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP+ | SFP+ | SFP+ | QSFP | SFP+ |
| Data Rate | 40G | 10G | 10G | 100G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850nm | 850nm | 850 nm | 1310 nm | 1310 nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Long-Range |
| Fiber Type | Multi-mode | Multi-mode | Multi-mode | Multi-mode | Single-mode |
| Max Distance | 100 meters | 300 meters | 300 meters | 150 meters | 80 km |
| Supported Protocols | Ethernet | Ethernet, Fiber Channel | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet, Fibre Channel |
| Network Interface | Fiber | Ethernet | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | 3.5W | 3.5W | 10W | 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 | J4859C-C QSFP+ Transceiver | J9143B-C 10G SFP+ Transceiver Module | J4860D-C 10G SFP+ Transceiver | J8177B-C 100G QSFP Transceiver | J4860C-C Optical Transceiver Module |
| Height | 0.62 inches | 0.66 inches | 0.33 inches | 0.5 inches | 0.50 inches |
| Width | 1.17 inches | 0.87 inches | 0.63 inches | 0.8 inches | 1.0 inches |
| Depth | 0.47 inches | 2.0 inches | 2.22 inches | 1.2 inches | 1.2 inches |
| Weight | 0.20 lbs | 0.07 lbs | 0.10 lbs | 0.1 lbs | 0.1 lbs |
Top-tier LX performance for HP X121 systems. Reliable 10km reach over single-mode fiber. The signal clarity is outstanding for building interconnects.
Flawless C-version compatibility. We've seen no link drops or latency issues since installation. A dependable and professional optical solution.
Solid build and easy deployment. These LX modules provide exactly the performance we expected for our campus-wide network links. Great value.
Impressive reliability on our long fiber spans. The HP switch identifies it correctly as an X121 module. Rock-solid performance for months.
High-quality single-mode optics. They offer perfect compatibility and clean signaling. Essential for our mission-critical data transport layers. Five stars.
Steady and dependable 1GbE LX link. The build quality is excellent, and it provides a reliable connection for our remote branch offices.
The J4859C-C is a 1000Base-LX-LC hot-swappable SFP transceiver that provides reliable single-mode fiber connectivity up to 10 km for HP X121 series switches.
Yes, the J4859C-C is HP X121 compatible and has been factory-tested to ensure seamless interoperability without firmware upgrades.
It uses single-mode fiber with LC-duplex connectors optimized for 1310 nm wavelength transmission.
The module supports link distances up to 10 kilometers over standard single-mode fiber.