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Cisco

Cisco N9K-C9332D-H2R | 32x 400G QSFP-DD, deep-buffer HBM, 1RU, 12.8Tbps (25.6Tbps switching), ACI/NX-OS

SKU:N9K-C9332D-H2R

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Description

Deep-buffer 400G fixed switch with 32x QSFP-DD and high-bandwidth memory (HBM) for loss-averse fabrics. Ideal for AI/ML, storage replication, microburst-heavy traffic, and long-distance DC interconnects. Delivers line-rate L2/L3 with VXLAN EVPN, streaming telemetry, and automation. Supports breakout to 4x100G or 8x50G for phased upgrades from 100G to 400G.

Features

- 32x 400G with deep-buffer HBM for loss-sensitive fabrics
- Line-rate L2/L3 with VXLAN EVPN
- Rich telemetry and programmability for automation-first operations
- Flexible 400G breakouts for gradual migrations
- Redundant hot-swappable power and cooling

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: What advantages does the deep-buffer HBM design provide?
A: It helps absorb microbursts and reduce packet loss for bursty or long RTT traffic such as AI/ML, storage, and DCI.

Q: Can I break out 400G to lower speeds?
A: Yes. Supported breakouts typically include 4x100G and 8x50G with qualified optics/cables.

Q: Is this model suitable as a spine in ACI or NX-OS fabrics?
A: Yes. It can operate as a high-performance spine or leaf depending on design needs.

Q: Does it support VXLAN EVPN?
A: Yes. VXLAN EVPN is supported for scalable overlays.

Q: Are optics and power supplies included?
A: Optics are sold separately. Power supplies and fans are hot-swappable; availability depends on the specific bundle purchased.

Technical Specifications

- Port configuration: 32x 400G QSFP-DD
- Buffering: Deep-buffer architecture with HBM for burst absorption
- Performance: ~12.8 Tbps throughput, ~25.6 Tbps switching capacity
- OS modes: NX-OS or ACI
- Overlay: VXLAN EVPN with MP-BGP
- Breakout options: 4x100G or 8x50G (dependent on optics/cables)
- Use cases: AI/ML clusters, storage, WAN/DCI edges, microburst-prone workloads
- Redundancy: Dual hot-swap PSUs and hot-swap fans
- Form factor: 1RU, fixed chassis

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