400G DAC & AOC Cables Price in Bangladesh – Buy from Datacom Technologies BD

400G DAC (Direct Attach Copper) and AOC (Active Optical Cable) are ultra-high-speed connectivity solutions designed for 400 Gigabit Ethernet, ideal for hyperscale data centers, AI infrastructure, and enterprise backbone networks in Bangladesh.

Buy 400G DAC & AOC Cables in Bangladesh

• Available from Datacom Technologies BD
• Genuine & compatible QSFP-DD / OSFP cables
• Supports ultra-fast 400Gbps networking
• Ideal for data centers, cloud & AI clusters
• Fast delivery across Bangladesh

Why Choose 400G DAC & AOC Cables

• Ultra-high 400Gbps bandwidth for next-gen networking
• Very low latency and high throughput performance
• Cost-effective for short-range links (DAC)
• Lightweight and long-distance connectivity (AOC)
• Designed for high-density rack environments

Types of 400G DAC & AOC Cables

• QSFP-DD Passive DAC Cable (400GBASE-CR8)
• QSFP-DD Active DAC Cable (extended reach)
• 400G QSFP-DD AOC Cable (Fiber)
• Breakout DAC (400G to 4×100G / 2×200G)
• Breakout AOC for multi-lane connectivity

Technical Overview

Popular 400G DAC & AOC Cables Models, Part Numbers & Server Compatibility at Datacom

400G DAC (Direct Attach Copper – QSFP-DD)

 Cisco QDD-400-CU Series

Model / Part Numbers:

• QDD-400-CU1M
• QDD-400-CU2M
• QDD-400-CU3M
• QDD-400-CU5M

Type:

• DAC (Passive Twinax Copper)

Speed:

• 400Gbps (400GBASE-CR8, PAM4)

Distance:

• 1m – 5m

Connector:

• QSFP-DD → QSFP-DD

Compatibility:

• Cisco Nexus / Catalyst
• Any QSFP-DD MSA-compliant switches (Arista, Juniper, NVIDIA, etc.)
• Multi-vendor support when properly coded

Typical Use:

• Same rack / Top-of-Rack (ToR) connections
• Spine–leaf fabric

 Arista CAB-QDD-QDD Series (400G DAC)

Model / Part Numbers:

• CAB-QDD-QDD-1M
• CAB-QDD-QDD-2M
• CAB-QDD-QDD-3M

Type:

• DAC (Passive Copper)

Speed:

• 400Gbps

Distance:

• 0.5m – 3m

Connector:

• QSFP-DD

Compatibility:

• Arista switches
• Works with other vendors if EEPROM-coded correctly
• Standards: IEEE 802.3cd / QSFP-DD MSA

Typical Use:

• High-density data center links

 Generic / FS / Amphenol QSFP-DD DAC

Model Examples:

• QSFPDD-400G-CU1M / 3M
• 400G-PDAC-QSFP-DD

Type:

• DAC (Passive Copper)

Speed:

• 400Gbps

Distance:

• 0.5m – 5m

Connector:

• QSFP-DD

Compatibility:

• Multi-vendor (Cisco / Arista / Juniper / NVIDIA / Ubiquiti*)
• MSA-compliant → broad interoperability

Key Notes:

• Cost-effective short-range solution
• Uses 8 × 50G PAM4 lanes

Typical Use:

• Data center short links
• Budget deployments

 NVIDIA / Mellanox LinkX MCP Series (400G DAC)

Model / Part Numbers:

• MCP7H50 series
• MCP1650 / MCP1700

Type:

• DAC (Passive Copper)

Speed:

• 400Gbps

Distance:

• Up to ~5m

Connector:

• QSFP-DD

Compatibility:

• NVIDIA / Mellanox switches & NICs
• Works with Ethernet + InfiniBand HDR/NDR

Typical Use:

• AI / HPC clusters
• GPU networking

 400G AOC (Active Optical Cable – QSFP-DD)

 Cisco QDD-400G-AOC Series

Model / Part Numbers:

• QDD-400G-AOC1M
• QDD-400G-AOC3M
• QDD-400G-AOC5M
• QDD-400G-AOC10M

Type:

• AOC (Active Optical Cable)

Speed:

• 400Gbps

Distance:

• 1m – 30m

Connector:

• QSFP-DD

Compatibility:

• Cisco + MSA-compliant devices
• Works with Arista / Juniper / NVIDIA

Typical Use:

• Rack-to-rack links
• Medium-distance aggregation

Price in Bangladesh (BDT)

Best Use Cases

• Hyperscale data center spine-leaf architecture
• AI/ML cluster and GPU networking
• High-speed server-to-switch connectivity
• Cloud and hyperscale infrastructure
• Telecom and ISP core backbone networks

Why Buy from Datacom Technologies BD

• Trusted networking solution provider in Bangladesh
• Genuine 400G DAC & AOC cables with warranty
• Competitive pricing for enterprise & hyperscale projects
• Expert consultation for advanced network design
• Fast delivery & reliable after-sales support

Get in Touch with Datacom Technologies BD

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