NetApp 111-01158+B0 NVRAM8 cache adapter module with integrated battery backup provides persistent write-cache acceleration for FAS6290 and FAS6220 storage arrays. Features two 4G QSFP ports for flash-optimized connectivity and supports up to 8GB of NVRAM capacity. The onboard battery ensures data integrity during unexpected power loss by preserving cache contents. This module connects directly to the controller motherboard via dedicated expansion slot and is compatible with NetApp clustered Data ONTAP environments running on supported FAS platforms. Typical deployments include high-performance database environments, virtualization infrastructures, and I/O intensive transactional workloads where write-cache performance directly impacts throughput and latency. This refurbished unit has been tested and guaranteed to perform to original specifications. Available via quote.