What speeds and modes does the Dell 599TF transceiver support?

The Q56DD-400G-EDR4 supports 1x400G full-rate Ethernet, 4x100G breakout via QSFP56-DD, and 2x200G interop modes. This PAM4-based module uses 8x50G signaling over 1310nm SMF, enabling flexible deployment in mixed-speed fabrics without adapter cards.

What is the maximum reach and fiber type for 599TF?

It achieves 2km transmission distance over single-mode fiber (SMF) at 1310nm wavelength. Transmitter output is -2.4 to +4.0 dBm per lane, with receiver sensitivity suited for short-reach data center interconnects up to 2km without amplification.

Is the 599TF hot-swappable and compatible with Dell switches?

Yes, fully hot-swappable for zero-downtime replacement. Dell's encoding feature auto-detects and configures the transceiver on PowerSwitch platforms, ensuring line-rate performance and eliminating manual setup or third-party compatibility risks.

What makes this transceiver suitable for AI/ML networks?

400G bandwidth density with low power and compact QSFP56-DD form supports high-radix fabrics for GPU interconnects. Breakout to 4x100G allows seamless integration with existing NICs, reducing cabling costs in scale-out training clusters.

How does 599TF compare to QSFP-DD DR4 alternatives?

This EDR4 variant offers 2km SMF reach versus typical 500m multimode DR4, with interop to 200GSR4. Lowest power in class and Dell certification provide superior TCO and reliability for enterprise deployments over generic optics.

What power dissipation and environmental specs apply?

Max power dissipation under 15W typical for QSFP56-DD, with operating temp 0-70°C. Designed for high-density racks with advanced cooling, supporting 400G without exceeding PSU budgets in 1RU switches.

599TF - Dell 599TF Q56DD 400G 1310nm SMF 2km QSFP56 Transceiver

Name: Dell 599TF Q56DD 400G 1310nm SMF 2km QSFP56 Transceiver
Brand: Dell
SKU: 599TF
Price: 278 USD
Availability: InStock

599TF - Dell 599TF Q56DD 400G 1310nm SMF 2km QSFP56 Transceiver | US IT Hardware

Product overview

The Dell 599TF, identified as Q56DD-400G-EDR4, delivers 400Gb/s Ethernet connectivity via QSFP56-DD form factor optics at 1310nm wavelength over single-mode fiber up to 2km. This high-speed transceiver supports flexible configurations including 1x400G full-rate, 4x100G breakout, and 2x200G interop modes, enabling seamless integration in data center spine/leaf architectures and AI/ML fabrics requiring ultra-low latency and high bandwidth density. Hot-swappable design minimizes downtime during maintenance, while Dell's product specification encoding ensures automatic recognition and optimal performance on certified Networking platforms like PowerSwitch series. With transmitter power -2.4 to +4.0 dBm per lane and low power dissipation, it optimizes TCO in hyperscale environments. Ideal for upgrading 100G infrastructures to 400G without cabling changes, providing future-proof scalability for cloud providers and enterprise cores handling massive east-west traffic.

400Gb/s QSFP56-DD with 1310nm SMF for 2km reach.
Supports 1x400G, 4x100G breakout, and 2x200G interop.
Hot-swappable with Dell platform recognition encoding.
Transmitter power -2.4 to +4.0 dBm per lane optimized.
Lowest power 400GbE optics in compact QSFP56-DD form.
Guaranteed compatibility with Dell Networking switches.

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	599TF
Brand	Dell
Condition	New
Product Type	Optical Transceiver
Dell Encoding	Yes, auto-recognition
Hot Swappable	Yes

Network & Communication

Wavelength
Interop	200GSR4 in 2x200G
Data Rate	400GbE
Fiber Type	Single Mode Fiber (SMF)

Compatible systems

Native support on Dell PowerSwitch platforms with OS10/OS9; requires QSFP56-DD cage and SMF infrastructure.

Dell PowerSwitch
Model: S5200-ON Series
Form factor: 1RU
Generation: Current
QSFP56-DD ports for 400G uplinks.
Dell PowerSwitch
Model: S4100-ON Series
Form factor: 1RU
Generation: Current
Supports via firmware for high-speed ToR.

Best for

Data Center Spine
High-bandwidth aggregation for spine-layer switching in leaf-spine topologies supporting 400G line-rate forwarding.
AI/ML Fabric
Low-latency 400G links for GPU clusters and training networks requiring massive parallel data transfer.
Hyperscale Core
Scalable uplinks in cloud provider cores handling petabit-scale east-west traffic with breakout flexibility.
Enterprise 400G Upgrade
Path to 400G from 100G infrastructures using SMF cabling for campus and metro DCI.
High-Frequency Trading

Details

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Dell 599TF Q56DD 400G 1310nm SMF 2km QSFP56 Transceiver