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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

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Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
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Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
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RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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J4859B-C |
Description: | Gigabit-LX-LC Mini-GBIC B Ver. HP Procurve Compatible |
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Shipping as per your need
Same-day Shipping

Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.

Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.

International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines

Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.

Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
14-Day Money Back Guarantee
Free 14-Day Returns

Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement

Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN







J4859B-C Overview
Overview of “J4859B-C”: J4859B-C is an SFP+ transceiver module that supports a 10G data rate for Ethernet applications using LC connectors. Designed for long-range communication over single-mode fiber up to 10 km, it features a compact form factor with dimensions optimized for data centers, enterprise networks, and telecom environments.
J4859B-C delivers reliable performance in high-speed data and telecom applications, offering precise power efficiency and robust support for Ethernet protocols. The module’s industry-standard design ensures broad compatibility with leading network equipment providers such as Cisco, Juniper, Huawei, and Arista.
What is the price of J4859B-C?
Lowest price of J4859B-C is $ 0.00. Shop now discounts with bulk quotation for J4859B-C
Explore more options from Transceivers or Orm products.
J4859B-C Specifications
Product Type | Transceiver |
Form Factor | SFP+ |
Data Rate | 10G |
Connector Type | LC |
Wavelength | 1310 nm |
Transmission Distance | Long-Range |
Fiber Type | Single-mode |
Max Distance | 10 km |
Supported Protocols | Ethernet |
Network Interface | Fiber |
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 | J4859B-C 10G SFP+ Transceiver Module |
Height | 0.65 inches |
Width | 0.65 inches |
Depth | 1.50 inches |
Weight | 0.10 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
Form Factor | QSFP | QSFP28 | SFP | SFP+ | SFP |
Data Rate | 100G | 100G | 10G | 10G | 1G |
Connector Type | MPO | LC | LC | LC | LC |
Wavelength | 850nm | 1310 nm | 1590 nm | 1310 nm | 1310 nm |
Transmission Distance | Short-Range | Long-Range | Long-Range | Long-Range | Long-Range |
Fiber Type | Multi-mode | Single-mode | Single-mode | Single-mode | Single-mode |
Max Distance | 100 meters | 80 km | 40 km | 10 km | 40 km |
Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
Network Interface | Ethernet | Fiber | Fiber | Fiber | Fiber |
Power Consumption | 4W | N/A | N/A | 3.5 W | N/A |
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 | N/A | 3.3V | 3.3V |
Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
Product Name | QSFP-100G-SR4-T2 | EWDM-OADM4 | CWDM-SFP10G-1590-C | J4859B-C 10G SFP+ Transceiver Module | EX-SFP-GE40KT13R15-C |
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