NWS8420 Access Switch

【Leading the Era of Supercomputing, Intelligent Cloud-Grade Core Switch】 Specially engineered for ten-thousand-card AI training clusters, delivering jitter-free intelligent AI computing networks.

The NWS8420 is an open core network switch tailored for hyperscale data centers and engineered specifically for ten-thousand-GPU AI training clusters. Boasting an ultra-high bandwidth of 102.4T and congestion-free RoCE protocol, it enables low-latency ful

Product features

  • Ultra-high bandwidth with dedicated chip: Equipped with Broadcom Tomahawk5 chip and delivering 102.4T ultra-high bandwidth, the switch features 128×400G QSFP112 full wire-speed ports to fully satisfy high-throughput requirements of ten-thousand-card AI clusters.

  • Jitter-free intelligent computing network: Supports lossless RoCEv2 communication alongside dynamic load balancing and zero-packet-loss design to ensure stable execution of AI training jobs.

  • Open ecosystem compatibility: Compatible with Open Networking Interface (ONI) and Sonics/NOS software to balance flexible deployment and ecosystem adaptability.

  • Multi-rate auto-adaptation: QSFP112 ports are backward compatible with 200G/100G/25G via beam splitting technology, matching network specifications of various computing nodes.

  • Full-link redundancy: Adopts 2+2 redundant 1600W power supplies and N+1 redundant fans with military-grade reliable construction for 7×24-hour heavy-duty continuous operation.

  • High-efficiency power design: Low power consumption enabled by intelligent temperature control and adaptive energy-saving algorithms; robust thermal solution with customized VC vapor chamber coolers and superconductive cooling fins.

Product specification

ModelNWS8420 ToR Switch
Port Configuration128 × 400G QSFP112
Switching capacity102.4Tbps (bidirectional), equipped with Broadcom Tomahawk5 chip
Management ports1×10/100/1000 Base-T MGMT, 1×USB 2.0 Type A, 1×RJ45 Console
Dimension446mm(W) × 800mm(D) × 176mm(H)
Operating Environment0 ℃~40℃,5%~90% RH
CPU & StorageIntel XEON D-1734NT 8C16T (2.0~3.1GHz); Max. 2×DDR4 ECC SO-DIMMs, default 1×16GB; Dual 64MB BIOS Flash240GB M.2 SATA SSD
BMC ManagementRunBMC with AST25201GB DDR4, 8GB eMMC, 2×64MB SPI FW Flash
Power Supply2+2 redundant 1600W CRPS PSUAC input:90~264VAC; HVDC:180~320VDC
FANN+1 redundant with 5 fans, airflow direction: F2B
Port Status LEDQSFP112: 1 LED per port (Red/Green dual-color)
MountingSupports rack rail and lug mounting
WeightApprox. 45kg
EMC/EMIFCC, EN55022, EN61000-3-2, EN61000-3-3 / EN61000-3-11, EN61000-3-12; EN55024, EN300386
Safety regulationsUL/CSA 60950-1, EN 60950-1, IEC 60950-1


Join Us

Sustainability

Contact Us