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StarTech.com 10 Pack HPE J4859C Compatible SFP Module 1000BASE-LX - 1GbE Gigabit Ethernet Single Mode/Multi Mode Fiber Transceiver - 10km
- With 1000Base-LX technology, enjoy up to 1000Mbps data transfer rate over optical fiber cable
- 1.25 Gigabit Ethernet Ethernet technology for increasing efficiency with the quicker transfer and sharing of information
- Optical fiber cable compatible - Spans afar and provides speedy data transmission rates between servers and network components
- For transmitting data at gigabit speed over hundreds of miles with little integrity loss, single-mode fiber optic is an ideal solution
- SFP (mini-GBIC) is the single answer to all your desired and specified application execution needs
- SFP (mini-GBIC) with optical network application/usage for reliability and maximum efficiency
- Hot-pluggable form factor for added reliability and dependability
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100% HP J4859C compatible guaranteed - Lifetime Warranty on all SFP modules - Ne
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-265-1844
- Support Email: support@startech.com
- Support Website
- View other products from STARTECH
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The StarTech.com J4859C10PKST is a 10-pack of HPE J4859C-compatible, hot-pluggable 1000BASE-LX SFP transceivers for network teams building or expanding Gigabit Ethernet fiber links, with a maximum stated reach of 10 km over single-mode fiber.
Recommended For
- Network administrators replacing J4859C optics or stocking spares for HPE switches listed as compatible with StarTech’s J4859C module.
- IT teams connecting buildings or campus network closets over duplex single-mode fiber, where a 1GbE link of up to 10 km fits the network plan.
- Teams equipping several compatible switch ports at once, such as during a multi-link rollout or when keeping matching replacement optics on hand; this listing is a 10-pack.
- Operators reusing compatible multimode fiber for a 1GbE LX link of up to 550 m, provided the fiber installation is suitable and a mode-conditioning patch cord is used if required.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Connecting Gigabit Ethernet network equipment over single-mode or multimode fiber, with reach up to 10 km on single-mode fiber |
| Data Rate And Standards | Supports transfer rates up to 1.25 Gbps and IEEE 802.3z 1000BASE-LX |
| Fiber Optics And Connectivity | 1310 nm wavelength with one LC duplex female fiber-optic port; reaches up to 10 km over single-mode fiber or 550 m over multimode fiber |
| Compatibility And Monitoring | Compatible with HP J4859C 1000BASE-LX networks and supports Digital Diagnostics Monitoring (DDM) |
| Pack Contents | 10 SFP (mini-GBIC) transceiver modules |
| Warranty | Lifetime warranty |
| Model Identifiers | StarTech.com model J4859C10PKST; compatible model reference J4859C |