DP04QSDD-HE0-A1 — QSFP-DD 400 Gbps

The DP04QSDD-HE0-A1 is a Cisco 400 Gbps long-reach QSFP-DD module on single-mode fiber (SMF) reaching 80 km, with a duplex LC (UPC) fiber connector and an operating temperature range of 15 to 78 °C. It is a variant of the DP04QSDD-HE0 incorporating optimizations or a specific qualification denoted by the -A1 suffix, within Cisco's 400G coherent transceiver portfolio.

Like its HE0 counterpart, this module is designed for operators and service providers requiring 400 Gbps over 80 km in coherent transport. The -A1 designation indicates a revision or additional qualification, relevant for projects subject to strict compliance requirements or a specific Cisco hardware roadmap. Genuine Cisco hardware, manufacturer warranty.