Products / Optical Transceivers

Optical transceiver supplier & manufacturer for ISPs and data centers

NodeOptic is a factory-direct optical transceiver supplier delivering 100% lab-tested SFP+, SFP28, QSFP+, QSFP28, and DAC/AOC modules at 10G–400G. Built for ISPs, data centers, and network operators who need reliable optics at wholesale pricing.

Optical transceiver modules in a data center switch

Product Range

Full-speed coverage from 1G to 400G

Every module we supply is third-party compatible with Cisco, Juniper, Arista, Huawei, MikroTik, and FS — coded to behave identically to OEM parts at a significantly lower cost.

10G & 25G Transceivers

Access, aggregation, and server-to-TOR links for ISPs and enterprise networks.

  • • 10G SFP+ SR / LR / ER / ZR
  • • 25G SFP28 SR / LR / ER
  • • BiDi & CWDM / DWDM variants

40G & 100G Transceivers

Spine-leaf uplinks and data center interconnect for high-density fabrics.

  • • 40G QSFP+ SR4 / LR4
  • • 100G QSFP28 SR4 / LR4 / CWDM4 / PSM4
  • • 400G QSFP-DD SR8 / DR4 / FR4

DAC, AOC & 400G

Short-reach cables and next-gen optics for in-rack and future-proof builds.

  • • DAC cables: 0.5–5 m, 10G–400G
  • • AOC cables: 1–30 m, 10G–100G
  • • Breakout options: 4×10G / 4×25G

Factory quality control for optical transceiver modules

Why NodeOptic

Factory-direct quality, wholesale flexibility

We operate as both manufacturer and supplier — giving you direct access to production without distributor markups. Every shipment includes a test report with measured optical parameters.

Quality & Testing

  • • Chip-level incoming inspection & 72-hour burn-in
  • • 100% individual coding and parameter testing before shipment
  • • ISO 9001 certified — test reports included with every order

Commercial Terms

  • • Low MOQ: from 1 pc for evaluation; volume pricing from 10+ units
  • • Most standard SKUs ship within 1–3 business days from stock
  • • 5-year warranty with fast RMA · T/T, PayPal, credit terms available

Solutions

Built for ISPs and data center teams

Whether you’re rolling out regional broadband or scaling a hyperscale fabric, NodeOptic has the optics, cabling, and support to match your build.

ISPs & Network Operators

Upgrade legacy 1G aggregation to 10G or 25G without breaking the budget. We supply SFP+ LR / ER for long-haul links, CWDM/DWDM for wavelength-multiplexed metro rings, and BiDi for single-fiber deployments.

Learn more about ISP solutions →

Data Centers

Cover your entire fabric — from 10G server ports to 100G/400G spine-leaf uplinks — with a compact, lab-tested optics kit. Breakout DAC/AOC options included for high-density ToR deployments.

Learn more about data center solutions →

10G SFP+ Deep Dive

10G SFP+ Supplier for ISPs & Data Centers

Need SR, LR, ER, ZR, BiDi, CWDM/DWDM, or 10GBASE-T SFP+ modules? Our dedicated 10G page covers full product specs, selection guidance, compatibility notes, and wholesale pricing for 10G rollouts.

  • • SR / LR / ER / ZR for any distance from rack-to-rack to metro backhaul
  • • BiDi modules for single-fiber access and aggregation links
  • • CWDM / DWDM for WDM metro rings and ISP backbone
  • • 10GBASE-T copper SFP+ for existing Cat6a cabling

25G SFP28 Deep Dive

25G SFP28 Supplier for Data Centers & 5G Networks

Looking for 25G SFP28 SR, LR, ER, BiDi, CWDM/DWDM optics, or SFP28 DAC/AOC cables? Our dedicated 25G page covers full product specs, compatibility details, and wholesale pricing for ToR, 5G fronthaul, and AI/ML cluster deployments.

  • • SR / LR / ER for rack-to-rack, campus, and metro links
  • • BiDi & CWDM / DWDM for wavelength-multiplexed 25G access
  • • SFP28 DAC & AOC for low-latency server and GPU connectivity
  • • Compatible with Cisco, Mellanox/NVIDIA, Juniper, Arista, HPE

100G QSFP28 Deep Dive

100G QSFP28 Supplier for Data Centers & DCI

Need SR4, LR4, CWDM4, PSM4, ER4/ZR4, or QSFP28 DAC/AOC and breakout cables? Our dedicated 100G page covers full product specs, selection guidance, compatibility details, and wholesale pricing for leaf-spine, AI cluster, and DCI deployments.

  • • SR4 / LR4 / CWDM4 / PSM4 / ER4 for any distance from rack-to-rack to metro DCI
  • • QSFP28 DAC & AOC for low-latency spine-leaf and in-rack connections
  • • 100G to 4×25G breakout for spine-to-leaf fan-out
  • • Compatible with Cisco, Arista, Juniper, Huawei, NVIDIA/Mellanox

Next Step

Tell us your link types — get a matched optics list

Share your switch model, speed requirements, and fiber type. Our team will return a recommended SKU list with pricing within one business day.