- Name:
-
J4858C
- Description:
- Aruba X121 1G SFP LC SX Transceiver
- Rating:
-
(0)
Added to cart 12 times recently
- Availability:
-
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
-
3 - List Price:
-
$328.78
- Price:
-
$9.87
97% off
Business price:
Enroll your business for free
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Exclusive Bulk Discounts tailored to your order size
Priority Processing with a dedicated account manager
Fast Response: Get your custom quote within 5-10 minutes during business hours (Mon-Fri, 6:00 AM – 6:00 PM PST)
Holiday Bonus: Submissions on holidays receive priority handling the next business day
Shipping:
Payment:
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.
J4858C
Aruba X121 1G SFP LC SX Transceiver
$9.87
45 in Global Warehouse
$9.87
97% off
TRUSTED, TRIED, PROVEN
J4858C Overview
J4858C is a 10G SFP+ optical transceiver featuring LC connectors and designed for short-range communications over multimode fiber. It supports Ethernet protocols and delivers data rates of 10G in a compact SFP+ form factor, making it ideally suited for data center interconnects, enterprise network upgrades, and telecom applications.
Engineered with precise physical dimensions for high-density deployments, the J4858C is optimized for seamless compatibility with leading network vendors such as Cisco, Juniper, Huawei, and Arista. Its robust build, efficient power consumption, and stable performance across an operating temperature of 0 to 70°C ensure reliable operation in demanding network environments.
What is the price of J4858C?
Lowest price of J4858C is $ 9.87. Shop now! Get further exclusive discounts with bulk quotation on J4858C
Explore more options from Transceivers or explore other Hpe products.
J4858C 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 | Fiber |
| Power Consumption | 3.8W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | J4858C 10G SFP+ Optical Transceiver |
| Height | 0.12 inches |
| Width | 0.65 inches |
| Depth | 0.65 inches |
| Weight | 0.05 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
|
|
|
|
|
|
|
|---|---|---|---|---|---|
| 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 | 0.65 inches | 0.5 inches | 2.80 inches | N/A | N/A |
| Fiber Type | Multi-mode | Multi-mode | Single-mode | Single-mode | Single-mode |
| Form Factor | SFP+ | XENPAK | XFP | SFP+ | SFP+ |
| Height | 0.12 inches | 0.53 inches | 0.34 inches | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 300 meters | 220 meters | 80 km | 48.5 km | 40 km |
| Network Interface | Fiber | Fiber | Fiber | Ethernet | 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 | 3.8W | 4.5W | 3.5 W | 3.5W | 1.5W |
| Product Name | J4858C 10G SFP+ Optical Transceiver | XENPAK-10GB-LRM | DWDM-XFP-5252-C | ONS-XC-10G-EP48.5-C | MA-SFP-10GB-ER-C |
| 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 | Ethernet, Fibre Channel | Ethernet | Ethernet |
| Transmission Distance | Short-Range | Medium-Range | Long-Range | Extended-Range | Extended-Range |
| Wavelength | 850 nm | 1310 nm | 1550 nm | 1310 nm | 1550 nm |
| Weight | 0.05 lbs | 0.073 lbs | 0.12 lbs | N/A | N/A |
| Width | 0.65 inches | 3.33 inches | 0.53 inches | N/A | N/A |
Showing - of 0 Results
Questions & Answers
Q
What is the Aruba X121 1G SFP LC SX Transceiver (SKU J4858C)?
A
The Aruba X121 1G SFP LC SX Transceiver (J4858C) is a short-range, hot-pluggable 1 GbE small form-factor pluggable (SFP) module designed for multimode fiber networks.
Q
Which fiber optic cable type does this transceiver use?
A
It uses 50/125 µm or 62.5/125 µm multimode fiber with LC duplex connectors for SX transmission.
Q
What is the maximum transmission distance for the J4858C?
A
The transceiver supports link lengths up to 550 meters over OM2 multimode fiber and up to 275 meters over OM1.
Q
What data rate does the Aruba X121 1G SFP LC SX Transceiver support?
A
This module supports a single-channel data rate of 1 Gbps (1000 BASE-SX).
Q
Is the J4858C compatible with Aruba and HPE switches?
A
Yes; it is fully qualified and tested to interoperate with Aruba, HPE, and HPE ProCurve switches and routers.
Q
How do I install the Aruba X121 1G SFP LC SX Transceiver?
A
Simply insert the module into an empty SFP slot until it clicks, then connect your LC duplex fiber cable.
Q
Does the J4858C require any software configuration?
A
No additional software is required; the transceiver is auto-recognized by Aruba and HPE devices upon insertion.
Q
What is the operating wavelength of this SX transceiver?
A
It operates at a nominal wavelength of 850 nm for short-reach multimode fiber links.
Q
What is the optical power budget of the Aruba X121 1G SFP LC SX Transceiver?
A
It delivers a minimum transmit power of −9.5 dBm and a receiver sensitivity of −17 dBm, providing an 7.5 dB power budget.
Q
What is the operating temperature range for the J4858C?
A
The module operates reliably between 0 °C and +70 °C (commercial temperature range).
Q
Does the Aruba X121 transceiver support hot-swapping?
A
Yes; you can insert or remove the SFP module without powering down the switch or host device.
Q
What is the warranty period for SKU J4858C?
A
HPE provides a lifetime warranty on the Aruba X121 1G SFP LC SX Transceiver when used with supported devices.
Q
Can I return the transceiver if it is defective?
A
Yes; defective units can be returned under HPE’s standard return material authorization (RMA) process.
Q
Is the J4858C compatible with third-party network switches?
A
While not officially supported, many customers report interoperability with select third-party switches that accept generic SFP modules.
Q
What is the typical power consumption of the Aruba X121 transceiver?
A
The module consumes approximately 0.8 W in normal operation.
Q
Does the Aruba X121 support Digital Optical Monitoring (DOM)?
A
Yes; it supports SFF-8472 DOM for real-time monitoring of optical power, temperature, and voltage.

