18128VH - IBM - System Storage DS4000 EXP420 Storage Expansion Unit Storage enclosure 16 bays ( SATA ) x HD rack-mountable 3U 18128VH - IBM - System Storage DS4000 EXP420 Storage Expansion Unit Storage enclosure 16 bays ( SATA ) x HD rack-mountable 3U $428.56 $363.19
1812-81A - IBM - System Storage DS4000 EXP810 Storage Expansion Unit 1812-81A - IBM - System Storage DS4000 EXP810 Storage Expansion Unit $84.25 $71.40
1812-81H - IBM - System Storage EXP810 Storage Expansion Unit 1812-81H - IBM - System Storage EXP810 Storage Expansion Unit $348.81 $295.60
181281A - IBM - 16 Bay Storage Expansion Unit for System Storage DS4000 / EXP810 181281A - IBM - 16 Bay Storage Expansion Unit for System Storage DS4000 / EXP810 $175.77 $148.96
1740710 - IBM - TotalStorage DS4000 EXP710 Storage Expansion Unit 1740710 - IBM - TotalStorage DS4000 EXP710 Storage Expansion Unit $531.25 $450.21
17407-10 - IBM - TotalStorage Ds4000 Exp710 Storage Expansion Unit 17407-10 - IBM - TotalStorage Ds4000 Exp710 Storage Expansion Unit $93.29 $79.06