HPE Aruba S1D18A 400G QSFP‑DD Transceiver

About HPE Aruba S1D18A 400G QSFP-DD MPO-16 SR8 100m MMF Transceiver in Bangladesh

The HPE Aruba Networking S1D18A is a high-speed 400GbE QSFP-DD MPO-16 SR8 100m MMF transceiver designed for high-density data center and enterprise networking environments. It provides 400Gb/s connectivity over multimode fiber and supports links up to 100 meters.

HPE officially lists S1D18A as the HPE Aruba Networking 400G QSFP-DD MPO-16 SR8 100m MMF Transceiver. The product uses a QSFP-DD form factor, provides a 400Gb/s transfer rate and has a maximum distance of 100 meters. :contentReference[oaicite:1]{index=1}

HPE Aruba S1D18A 400G Transceiver Specifications & Features

Overview

The S1D18A is designed for 400GbE network connectivity in modern data center environments. Its QSFP-DD form factor allows high-density 400Gb networking while its SR8 optical architecture is designed for multimode-fiber connections up to 100 meters.

The transceiver is particularly suitable for high-bandwidth switch-to-switch, switch-to-server and data-center fabric connections where 400Gb/s connectivity and short-reach multimode fiber are required.

Buy HPE Aruba S1D18A 400G QSFP-DD Transceiver in Bangladesh

Purchase the HPE Aruba S1D18A 400G QSFP-DD MPO-16 SR8 100m MMF Transceiver from Datacom Technologies (BD). We supply HPE Aruba networking products, optical transceivers, data-center switches, fiber networking equipment and enterprise infrastructure products in Bangladesh.

Key Features

• 400Gb/s high-speed Ethernet connectivity
• QSFP-DD transceiver form factor
• SR8 multimode-fiber optical technology
• MPO-16 connector
• Up to 100-meter reach
• Designed for multimode fiber infrastructure
• High-density data center networking
• Suitable for compatible HPE Aruba Networking platforms
• Ideal for 400GbE switch interconnects
• Suitable for high-bandwidth data center fabrics

400GbE High-Speed Networking

The S1D18A provides a 400Gb/s network interface, enabling high-bandwidth connectivity for modern data center environments.

400GbE connectivity is particularly useful for high-density spine-and-leaf architectures, data center interconnects, storage networking and other applications where multiple high-speed links need to be consolidated into a single interface.

QSFP-DD Form Factor

QSFP-DD, or Quad Small Form-factor Pluggable Double Density, is a high-density optical transceiver form factor designed for high-speed Ethernet applications.

The QSFP-DD form factor allows compatible network equipment to support high-bandwidth optical connectivity while maintaining a compact front-panel footprint.

SR8 Optical Technology

The S1D18A uses an SR8 optical configuration intended for short-reach multimode-fiber applications.

SR8 transceivers are designed for high-density parallel-fiber connections, making them particularly suitable for short-distance data center cabling environments.

MPO-16 Connector

The S1D18A uses an MPO-16 optical connector. MPO-16 provides a multi-fiber connection suitable for the parallel optical architecture used by the SR8 transceiver.

Ensure that the installed fiber infrastructure uses the appropriate MPO-16 connector and polarity configuration for the intended link before deployment.

100-Meter Multimode Fiber Reach

HPE specifies a maximum distance of 100 meters for S1D18A. The transceiver is designed for multimode-fiber connectivity. :contentReference[oaicite:2]{index=2}

The actual supported distance depends on the fiber type, optical infrastructure, connector quality and network equipment at both ends of the link.

Data Center Applications

The S1D18A is designed for high-density data center networking environments where 400GbE connectivity is required.

• 400GbE spine-and-leaf networks
• Data center switch interconnects
• High-speed server connectivity
• Data center fabric infrastructure
• High-bandwidth storage networking
• Cloud infrastructure
• AI and HPC networking environments
• Short-reach switch-to-switch links

HPE Aruba Networking Compatibility

HPE's Aruba transceiver documentation identifies S1D18A as the HPE-branded version of the Aruba 400G QSFP-DD SR8 100m MMF XCVR. The corresponding Aruba SKU is R9B41A, described as an Aruba 400G Q-DD MPO16 SR8 100m MMF XCVR. :contentReference[oaicite:3]{index=3}

HPE documentation also lists S1D18A for compatible HPE Aruba Networking data-center platforms, including the Aruba 9300-32D in the referenced storage-networking compatibility matrix. :contentReference[oaicite:4]{index=4}

Always verify the exact switch model, software version and transceiver support matrix before deployment.

HPE Aruba S1D18A vs S1D19A

HPE identifies S1D19A separately as a 400G QSFP-DD MPO-12 eDR4 2km SMF transceiver, making it important not to substitute the two SKUs when specifying fiber infrastructure. :contentReference[oaicite:5]{index=5}

High-Density Data Center Connectivity

The S1D18A is suitable for modern data center architectures requiring high port density and very high aggregate bandwidth.

400GbE links can help reduce the number of physical connections required for high-bandwidth network fabrics while providing substantial capacity for demanding applications.

Optical Infrastructure Requirements

Because S1D18A is an SR8 MMF transceiver with an MPO-16 interface, the fiber infrastructure must be selected to match the transceiver's optical architecture.

• Compatible multimode fiber
• MPO-16 connector infrastructure
• Correct fiber polarity
• Compatible optical patching
• Supported 400GbE switch ports
• Appropriate transceiver compatibility at both ends

Physical Specifications

HPE lists the S1D18A dimensions as approximately 12.7 x 1.8 x 1.3 cm and weight as approximately 63 grams. :contentReference[oaicite:6]{index=6}

Benefits

• 400Gb/s high-speed connectivity
• High-density QSFP-DD form factor
• SR8 optical architecture
• MPO-16 parallel-fiber interface
• 100-meter maximum reach
• Multimode fiber support
• Designed for modern data center fabrics
• Suitable for compatible HPE Aruba switches
• Ideal for high-bandwidth network interconnects

Why Buy from Datacom Technologies (BD)?

Datacom Technologies (BD) supplies HPE Aruba Networking transceivers, switches, optical networking equipment, fiber connectivity products and data center infrastructure in Bangladesh. Customers can receive competitive pricing, technical consultation, deployment assistance and nationwide delivery.

• Call/WhatsApp: +8801748173213
• Email: sales@datacom.com.bd
• Alternative Email: datacomtechnologiesbd@gmail.com
• Office: Tropical Center, 218, Dr. Kudroti Khuda Road, New Elephant Road, Dhaka-1205, Bangladesh

Frequently Asked Questions (FAQ)

Q1: What is HPE Aruba S1D18A?
S1D18A is the HPE Aruba Networking 400G QSFP-DD MPO-16 SR8 100m MMF Transceiver.

Q2: What is the speed of S1D18A?
The transceiver supports a 400Gb/s transfer rate. :contentReference[oaicite:7]{index=7}

Q3: What form factor does S1D18A use?
It uses the QSFP-DD form factor. :contentReference[oaicite:8]{index=8}

Q4: What connector does S1D18A use?
S1D18A uses an MPO-16 connector for its SR8 optical interface.

Q5: What fiber type does S1D18A support?
It is designed for multimode fiber (MMF).

Q6: What is the maximum distance?
HPE specifies a maximum distance of 100 meters. :contentReference[oaicite:9]{index=9}

Q7: Is S1D18A a 400G transceiver?
Yes. It is a 400Gb/s QSFP-DD optical transceiver.

Q8: What is the Aruba equivalent SKU?
HPE's transceiver guide maps S1D18A to Aruba SKU R9B41A, described as the Aruba 400G Q-DD MPO16 SR8 100m MMF XCVR. :contentReference[oaicite:10]{index=10}

Q9: What is the difference between S1D18A and S1D19A?
S1D18A is an SR8 100m MMF transceiver using MPO-16, while S1D19A is an eDR4 2km SMF transceiver using MPO-12. :contentReference[oaicite:11]{index=11}

Q10: Which HPE Aruba switch supports S1D18A?
HPE documentation lists S1D18A for compatible data-center networking platforms, including the Aruba 9300-32D in the referenced compatibility matrix. Always verify the current switch-specific compatibility guide before purchase. :contentReference[oaicite:12]{index=12}

Q11: Is S1D18A suitable for multimode fiber?
Yes. It is specifically an SR8 100m MMF transceiver.

Q12: Is S1D18A suitable for a 2km link?
No. S1D18A is specified for a maximum distance of 100m. For a compatible 2km single-mode application, HPE lists S1D19A as the 400G eDR4 option. :contentReference[oaicite:13]{index=13}

Q13: Where can I buy HPE Aruba S1D18A in Bangladesh?
You can contact Datacom Technologies (BD) for HPE Aruba networking transceivers, switches, fiber-optic equipment and enterprise networking hardware with competitive pricing and nationwide delivery.