Wholesale Price of PAM4 Optical Core Router

PAM4 optical transceivers for wholesale are available from multiple verified suppliers, with prices starting around USD 949 for 400G modules, primarily sourced from China.Sourcing and SuppliersWholesale PAM4 optical transceivers can be sourced through global B2B platforms and specialized manufacturers. China dominates the supply chain, with key production hubs in Guangdong, Hubei, and Beijing, hosting over 60% of telecom equipment manufacturers . Notable suppliers include Shenzhen-based firms like Infinol Technology and Hyoptic Technology, as well as Wuhan OEMs such as Wuhan Yongxinfeng and Wuhan Wolon . Online platforms like Alibaba.com, GlobalSources.com, Made-in-China.com, and EC21.com provide verified supplier listings, real-time order tracking, and bulk purchase options .Product SpecificationsPopular PAM4 optical modules include:400G OSFP-DR4 / QSFP-DD 400GBASE-DR4: Supports up to 500m over single-mode fiber (SMF) with MTP/MPO-12 connectors, compliant with IEEE 802.3ck and 400GAUI-8 standards. Ideal for AI, HPC, and cloud data center interconnects .400G-SR4 OSFP 100G-PAM4: Operates at 850nm over multimode fiber (MMF) up to 60m, suitable for short-reach data center links .400GBASE-SR8 OSFP transceivers: Supports 100m MMF with MTP/MPO-16 connectors, carrying 400G Ethernet over eight wavelengths . These modules are compatible with mainstream switches and NICs from Arista, Cisco, NVIDIA, and Broadcom, ensuring interoperability in complex network environments .PricingWholesale prices vary by module type and supplier. For example, a QSFP-DD 400GBASE-DR4 PAM4 500m module is listed at USD 949 per unit from verified Chinese suppliers . Bulk orders may reduce per-unit costs, and platforms like Alibaba.com allow negotiation for shipping and delivery terms.RecommendationsVerify supplier credentials and request samples before large orders.Check compatibility with your existing network hardware (OSFP vs QSFP-DD, single-mode vs multimode fiber).Consider delivery and lead times, especially for high-volume orders, as most production is concentrated in China.Use B2B platforms for secure transactions and dispute resolution. By sourcing through these channels, enterprises and data centers can obtain high-quality PAM4 optical transceivers at competitive wholesale prices with reliable delivery and technical support.