Amazon.com: for ST4000NM0125 4T 7.2K SAS 128M 3.5 inch Server Hard Drive : Electronics
Seagate 4Tb Ent Cap 3.5 Hdd Sas 7200 SEA-ST4000NM0125 Compeve Compenet Seagate 4Tb Ent Cap 3.5 Hdd Sas 7200 SEA-ST4000NM0125 [SEA-ST4000NM0125] - $149.00 : Professional Multi Monitor Workstations, Graphics Card Experts
ST4000NM0125 SEAGATE EXOS 7E8 4TB 7.2K 12G 3.5" SAS 512E ENTERPRISE HA – eSISO.com
ST4000NM0125 - Seagate ST4000NM0125 Enterprise 4TB SAS 12Gb/s 7200RPM 128MB Cache (512e) 3.5-inch Internal Hard Drive - serverevolution.com