This IBM® Redpaper™ publication describes the IBM DS8880 High-Performance Enclosure (HPFE) Gen2 architecture and configuration, as of DS8900 Release 9.1.
The IBM® DS8000® High-Performance Flash Enclosure Gen2 (HPFE Gen2) is a 2U storage enclosure that is installed in pairs in DS8900F and DS8880 models.
The flash enclosure and Flash RAID adapters are installed in pairs. Each storage enclosure pair can support 16, 32, or 48 encryption-capable flash drives (2.5-inch, 63.5 mm form factor).
High-Performance Flash Enclosure Gen2 highlights
DS8900F models support for HPFE Gen2
DS8880 models support for HPFE Gen2
Easy Tier and flash drives