Lenovo x3650 M4 Plus 8 2.5" HS HDD Assembly Option Kit - storage drive cage
Mfg # 00D9490
CDW # 2874582
| UNSPSC 43201609
Know your gear
It is designed for models with eight 2.5-inch hot-swap bays, adds eight more bays for a total of 16 2.5-inch hot-swap HDD bays.