Expansion Bays: 8 x hot-swappable - 2.5" SFF Hard Drive Form Factor Compatibility: 2.5" Designed For: ProLiant ML350 Gen9 (2.5"), ML350 Gen9 Base (2.5"), ML350 Gen9 Entry (2.5"), ML350 Gen9 Performance (2.5")
HPE - Storage drive cage - 2.5" - for ProLiant ML350 Gen9, ML350 Gen9 Base, ML350 Gen9 Entry, ML350 Gen9 Performance (2.5")