Lenovo 4XF7A81941 ThinkEdge 2Post Friction Rail Kit

Lenovo 4XF7A81941 ThinkEdge 2-Post Friction Rail Kit

Overview

The Lenovo 4XF7A81941 is a 2-post friction rail kit designed for rack-mounting ThinkEdge edge servers in open-frame and 2-post relay rack environments. Friction rails secure the chassis through clamping tension rather than threaded fasteners to the unit ears, which simplifies installation in telco-style open-frame racks where standard 4-post sliding rails cannot be used. At 1 lb, the kit adds negligible load to the rack assembly. If you are deploying ThinkEdge compute at a remote or space-constrained site — a surveillance head-end closet, a branch office IDF, or a factory-floor edge node cabinet — this rail kit is the purpose-matched mounting solution for 2-post rack infrastructure.

Compatibility

Designed for the Lenovo ThinkEdge server family. Verify chassis depth and flange clearance against your specific ThinkEdge model before ordering — friction rail fitment depends on the chassis rail groove profile, which varies between ThinkEdge SE and SE350/SE450 generations. This kit is intended for 2-post open-frame or relay racks; it is not a substitute for 4-post sliding rail kits used in enclosed rack-mount server cabinets. Confirm rack post width and depth tolerances match Lenovo's published rail specifications for this part number before procurement.

Installation Notes

Friction rail kits require the rack posts to fall within the rail's adjustable depth range — measure post-to-post distance front-to-back before installation. No cable management arm is included with this kit; plan CMA procurement separately if rear cable routing is required. UNSPSC code 43211600 classifies this as a computer rack mounting component, consistent with standard IT infrastructure procurement workflows.