LPE35004-S3-LP is a Broadcom (Emulex) Fibre Channel Host Bus Adapter (HBA).

It’s a Gen7 32Gb/s Fibre Channel adapter with the following main specs:

* 4 ports — each supporting 32GFC (32 Gigabit Fibre Channel) speeds

* PCIe 3.0 x16 interface (though often listed with effective x8 bandwidth in some contexts)

* Low-profile (LP) form factor — includes a low-profile bracket for compact server chassis

* Comes with 4x 32Gb short-wave LC SFP+ transceivers (Avago/Broadcom branded in many listings)

* Designed for high-performance storage connectivity, especially in enterprise servers, all-flash arrays, and SAN environments

This is part of the Emulex LPe35000 series (Gen7 Fibre Channel HBAs from Broadcom).

Note: This specific model (LPE35004-S3-LP) has been listed as obsolete / end-of-life by Broadcom in some sources (e.g., no longer manufactured, with obsolescence notifications around 2021–2022). Related newer variants like the LPe35004-M2 exist with PCIe 4.0 support.