Lenovo ThinkSystem 3.2TB NVMe HHHL add-in card KCM51V Mixed Use Flash Adapter

With 3.2TB on an HHHL add-in card, the ThinkSystem 4XB7A08521 gives a server a large local flash pool through a PCIe slot. It is a KCM51V-based NVMe adapter, rated Mixed Use, with a PCIe 3.0 x4 link. Lenovo lists it as feature code B32M. The compatible-hosts field names the SD530, SR850, SR860, SR950, SR650, SR635 and SR655. A card at this capacity lets you move a significant database or VM working set onto NVMe without consuming any drive bays. Slot planning is the practical concern: confirm there is a suitable free slot and airflow for an add-in card. The 4XB7A08521 is offered refurbished, with 1 year or 3 years of warranty, and used, with 90 days. No new offer is listed. Add it to your RFQ with the quantity and we will respond with pricing.