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845966-B21-C
100Gb QSFP28 MPO SR4 100m Transceiver HPE Compatible
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
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Since 2016, Enterprise-Trusted
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845966-B21-C is a high-performance 10G SFP+ optical transceiver designed for short-range applications in data centers and enterprise networks. It is built with an LC connector and supports Ethernet and Fibre Channel protocols, offering a compact form factor with reliable data transmission for critical network operations.
845966-B21-C features precise physical dimensions tailored for efficient integration into telecom and enterprise infrastructures. With its robust design, optimized power consumption, and a broad operating temperature range, this module is ideal for data center interconnects, enterprise network upgrades, and telecom applications requiring dependable short-range connectivity.
845966-B21-C price is is available on request. Get immediate quote.
Request bulk order quote for 845966-B21-C for additional pricing. Browse the full Hpe Compatible Qsfp28 series or explore all Orm products.
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| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | SFP+ | SFP | SFP+ | SFP+ |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850nm | 850 nm | 850nm | 1310nm | 850 nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Fiber Type | Multi-mode | Multi-mode | Multi-mode | Multi-mode | Multi-mode |
| Max Distance | 300 meters | 300 meters | 300 meters | 300 meters | 300 meters |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 1.5W | 3.5 W | 3.5W | 0.75W | 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 | 845966-B21-C SFP+ Transceiver Module | JH625A-C SFP+ Transceiver | JH626A-C 10G SFP Transceiver | JQ028A-C 10G SFP+ Transceiver | Q2F19A-C 10G SFP+ Transceiver |
| Height | 0.125 inches | 0.87 inches | 0.39 inches | 0.30 inches | 0.15 inches |
| Width | 0.34 inches | 1.65 inches | 1.25 inches | 0.65 inches | 0.65 inches |
| Depth | 1.62 inches | 0.35 inches | 1.0 inches | 2.20 inches | 0.80 inches |
| Weight | 0.065 lbs | 0.15 lbs | 0.2 lbs | 0.12 lbs | 0.10 lbs |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Flawless HPE 100G SR4 compatibility. These MPO modules provide stable, high-speed connectivity for our server clusters. Very satisfied.
Consistent 100Gbps performance. Recognized immediately by our Gen10 servers. Robust construction and excellent signal margins.
Outstanding value for 100G SR4 networking. Easy to install and perfectly stable under load. A reliable choice for data centers.
Plug-and-play simplicity. These transceivers deliver original-tier quality for our HPE infrastructure. Zero issues encountered since installation.
Excellent build quality and reliable throughput. These 100G SR4 modules are dependable and high-performing in our high-density environment.
Top-tier reliability for 100Gbps networking. Seamless integration and accurate diagnostics. A trustworthy alternative for our HPE rack switches.
This transceiver supports up to 100 meters over OM4 multimode fiber and up to 70 meters over OM3 multimode fiber.
It is compatible with both OM3 and OM4 multimode fibers using a 12-fiber MPO connector.
It uses a 12-fiber MPO (Multi-fiber Push On) connector for high-density multimode applications.
Yes, this module is tested and guaranteed to be HPE compatible, ensuring seamless plug-and-play operation.
The transceiver operates at an 850 nm wavelength optimized for short-reach multimode links.
Yes, it supports SFF-8472 compliant digital diagnostics for real-time monitoring of temperature, voltage, and optical power.
It supports a fixed data rate of 100 Gbps over four 25 Gbps lanes.
Yes, it is fully compliant with the QSFP28 Multi-Source Agreement (MSA) for broad interoperability.
The operating temperature range is 0 °C to 70 °C (32 °F to 158 °F).
It consumes a maximum of 3.5 watts per module, making it energy efficient for data-center deployments.
Yes, it comes with a lifetime warranty backed by the manufacturer and our 24/7 technical support.
Yes, it is vendor-agnostic and interoperable with all QSFP28 MSA-compliant devices.
It uses the QSFP28 form factor, which supports high-density 100 Gbps connectivity.
Yes, it is compatible with both 100 Gigabit Ethernet and EDR/FDR-compatible InfiniBand applications.
Simply insert the QSFP28 transceiver into the module slot until it clicks and connect the MPO fiber cable—no additional configuration is required.
We offer a 30-day no-questions-asked return policy, plus full technical assistance for installation and troubleshooting.