![Original Western Digital WD 4TB Red NAS Hard Disk Drive 3.5" 4TB Internal Hard Drive 5400RPM SATA 6Gb/s 64MB Cache For Desktop - AliExpress Original Western Digital WD 4TB Red NAS Hard Disk Drive 3.5" 4TB Internal Hard Drive 5400RPM SATA 6Gb/s 64MB Cache For Desktop - AliExpress](https://ae01.alicdn.com/kf/Se63db31fce9047d39fde7c6360c5e43bU/Original-Western-Digital-WD-4TB-Red-NAS-Hard-Disk-Drive-3-5-4TB-Internal-Hard-Drive.jpg)
Original Western Digital WD 4TB Red NAS Hard Disk Drive 3.5" 4TB Internal Hard Drive 5400RPM SATA 6Gb/s 64MB Cache For Desktop - AliExpress
![Amazon.com: Western Digital 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (Western Digital4000FYYZ) : Electronics Amazon.com: Western Digital 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (Western Digital4000FYYZ) : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/811bKrJ7xBL.jpg)
Amazon.com: Western Digital 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (Western Digital4000FYYZ) : Electronics
![Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61UDbxdRV8L.jpg)
Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics
![Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ : Electronics Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81NqSo2RcoL.jpg)
Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ : Electronics
![Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ : Electronics Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81Vm9Zj0aQL.jpg)
Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ : Electronics
![WD40EZRZ-00WN9B0 - Western Digital Blue 4TB 5400RPM SATA 6Gb/s 64MB Cache (RoHS) 3.5-Inch Hard Drive WD40EZRZ-00WN9B0 - Western Digital Blue 4TB 5400RPM SATA 6Gb/s 64MB Cache (RoHS) 3.5-Inch Hard Drive](https://harddiskdirect.com/media/catalog/product/cache/8b3df2345e86c5269ef614787fcda95d/w/d/wd40ezrz-00wn9b0.jpg)
WD40EZRZ-00WN9B0 - Western Digital Blue 4TB 5400RPM SATA 6Gb/s 64MB Cache (RoHS) 3.5-Inch Hard Drive
![Amazon.com: WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb : Electronics Amazon.com: WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81py5g+it9L.jpg)