Dell 400G QSFP-DD Transceiver in Bangladesh — High-Speed 400G Network Connectivity

A Dell 400G QSFP-DD Transceiver is a high-performance optical module designed for 400 Gigabit Ethernet networking. It delivers ultra-fast, low-latency connectivity for modern data centers, cloud infrastructure, and enterprise backbone networks using advanced PAM4 technology.

Dell 400G QSFP-DD modules support high-density networking and are widely used in Dell PowerSwitch series.

Buy Dell 400G QSFP-DD Transceiver in Bangladesh

Datacom Technologies BD offers:

• 100% genuine Dell-compatible QSFP-DD modules
• Support for SR, DR4, FR4, LR4, ER variants
• Competitive pricing in Bangladesh
• Compatibility support for Dell PowerSwitch devices
• Technical consultation & deployment support

Why Choose Dell 400G QSFP-DD Transceiver?

• ✔ 400Gbps ultra-high-speed data transmission
• ✔ PAM4 modulation for efficient bandwidth
• ✔ Digital Optical Monitoring (DOM/DDM)
• ✔ Hot-swappable and easy installation
• ✔ High-density connectivity for data centers
• ✔ Reliable performance with Dell networking devices

Types of Dell 400G QSFP-DD Transceivers

• 400GBASE-SR4 / SR8 — Short range (MMF, up to 100m)
• 400GBASE-DR4 — Medium range (SMF, up to 500m)
• 400GBASE-FR4 / eDR4 — Long range (SMF, up to 2km)
• 400GBASE-LR4 / LR8 — Extended range (up to 10km)
• 400GBASE-ER4 / ER8 — Ultra long range (up to 40km)

Technical Overview

Popular Dell 400G QSFP-DD Transceiver Models, Part Numbers & Server Compatibility at Datacom

Dell 407-BCID (1YNC0) – 400G QSFP56-DD SR4.2 (100m MMF)

• Part Number: 407-BCID (Manufacturer: 1YNC0)
• Type: SR4.2 (Bi-directional MMF)
• Distance: up to 100 m (OM4 MMF)
• Fiber: Multimode (MMF)
• Connector: MPO-12

 Compatibility

• Dell PowerSwitch:
  • S5448F-ON
  • Z9332F-ON
  • Z9432F-ON

 Use Case

• Short-range data center links
• Leaf–spine architecture

 Dell 407-BCIH (77RHN) – 400G QSFP56-DD EDR4 (2km SMF)

• Part Number: 407-BCIH (77RHN)
• Type: EDR4
• Distance: up to 2 km (SMF)
• Fiber: Single-mode
• Connector: MPO-12

 Compatibility

• Dell PowerSwitch:
  • S5448F-ON
  • Z9332F-ON
  • Z9432F-ON
  • Z9664F-ON

 Use Case

• Data center interconnect (DCI)
• Medium-distance campus

 Dell Q56DD-400G-SR4.2-ON – 400G SR4.2 (100m MMF)

• Part Number: Q56DD-400G-SR4.2-ON
• Type: SR4.2 (BiDi MMF)
• Distance: up to 100 m
• Fiber: MMF
• Connector: MPO-12

 Compatibility

• Dell QSFP-DD platforms
• MSA-compliant (interoperable with similar optics)

 Use Case

• High-density data center
• MMF infrastructure reuse

 Dell Q56DD-400G-EDR4 – 400G DR4 / EDR4 (500m–2km SMF)

• Part Number: Q56DD-400G-EDR4
• Type: DR4 / EDR4
• Distance:
  • DR4: ~500 m
  • EDR4: up to 2 km
• Fiber: SMF
• Connector: MPO

Compatibility

• Dell QSFP-DD switches (Z-series, S-series)
• IEEE 802.3bs compliant

 Use Case

• Spine–leaf interconnect
• AI / HPC fabrics

 Dell QSFP-DD 400G DR4 (generic / MSA-based)

• Model: QDD-400G-DR4
• Type: DR4
• Distance: up to 500 m (SMF)
• Connector: MPO-12

 Compatibility

• Dell QSFP-DD switches
• Supports breakout:
  • 4 × 100G DR

 Use Case

• Standard 400G Ethernet backbone
• Data center core

 Dell QSFP-DD 400G FR4 – 2km SMF (LC)

• Type: FR4 (CWDM4 / LAN-WDM)
• Distance: up to 2 km
• Fiber: SMF
• Connector: LC duplex

 Compatibility

• Dell QSFP-DD switches
• Uses duplex fiber (simpler than MPO)

 Use Case

• Data center interconnect (DCI)
• Campus fiber links

 Dell QSFP-DD 400G LR4 – 10km SMF

• Type: LR4
• Distance: up to 10 km
• Fiber: SMF
• Connector: LC

 Compatibility

• Dell high-end switches
• IEEE 802.3 compliant

 Use Case

• Inter-building / metro networks

Price in Bangladesh (2025 / 2026)

•  Contact Datacom for latest price & availability.

Best Use Cases

• Data center spine-leaf architecture
• Cloud infrastructure networking
• High-performance computing (HPC)
• Enterprise core networks
• 400G backbone & aggregation

Why Buy from Datacom Technologies BD?

• Genuine Dell-compatible products
• Expert configuration support
• Competitive BD pricing
• Local warranty service
• Fast nationwide delivery

 Get in Touch with Datacom Technologies BD

• Call / WhatsApp: 01748-173213 | 01313-886347
• Email: sales@datacom.com.bd | datacomtechnologiesbd@gmail.com