Cheap Dell 400-ATKL 4TB 7.2K RPM SAS 12GBPS | Refurbished
Dell XWM1W Hard Drive 4TB 7.2K SAS 3.5in
Dell Certified 4TB SAS 6GB/s 3.5" Hard Drive 7.2K Enterprise Class 0202V7 HD Dell Poweredge Server PowerVault Storage WD4001FYYG-18SL3W0 Desktop Internal Hard Drives - Newegg.com
1MVTT Dell 4TB 7.2k 3.5" NL SAS 12G Hard Drive
Dell 529FG 4TB 7.2K NL SAS 3.5" 6Gbps Hard Drive | Seagate ST4000NM0023