The OSFP is a pluggable module form factor specifically engineered for high-speed applications. OSFP features eight high-speed electrical lanes that support up to 400G (8x50G or 4x100G), 800G (8x100G or 4x200G), or 1. 11 Specification for OSFP-XD Octal Small Form Factor eXtra Dense Pluggable Module is posed in the specification section of the website, to correct the figure 4-11 in the OSFP-XD MSA Rev 1. and a disclaimer is added to the Other Documents section. This article explores how OSFP transceivers deliver high-density, high-speed connectivity and how FS helps customers transition smoothly. The Lumentum 400ZR module on an OSFP form factor is designed for use by hyperscale data center operators and peering networks to provide high bandwidth interconnections in an industry standard, interoperable footprint. Capable of transmitting 400 Gbps over 120 km, Lumentum OSFP 400ZR coherent. The abbreviation OSFP represents Octal Small Form-factor Pluggable. The explanation appears simple to understand. The OSFP MSA (Multi-Source Agreement) group developed this form factor to solve thermal and density problems. The 400G OSFP optical transceiver has emerged as one of the most important solutions for enabling ultra-high-bandwidth connectivity in modern networks. Designed to support 400 Gigabit Ethernet transmission with improved thermal performance and higher power capacity, OSFP modules are widely adopted.