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Seagate Back Up Plus 4TB vs WD My Passport 4TB

May 18, 2011
591 (0.25/day)
Processor Ryzen 1600
Motherboard ASRock X370 Killer/AC SLI
Cooling AMD Wraith (to be replaced with Cryoirg H7)
Memory 16GB Corsair Vengeance LPX 3000
Video Card(s) EVGA GTX 1070 SC
Storage Crucial MX300 750GB, Crucial MX200 500GB, WD Black 2TB, Toshiba P300 3TB, Seagate 750GB
Case Fractal Design Definse S
Power Supply EVGA Supernova 650 G3
Mouse Logitech Pro
Keyboard Cooler Master Quickfire Pro
Looking to buy a portable 4TB drive.

Options are the Seagate Back Up Plus 4TB:

Or WD My Passport 4TB:

From what I can see in benchmarks the Seagate is faster. However, I am more interested in reliability. Are there any places that have used a number of both to measure the failure rate? Seagate is tempting because it is cheaper, but I have been using WDs in general but those were internal drives. I have no experience with portables from either company.
Jan 17, 2010
10,031 (3.47/day)
System Name Delta // Alpha-HTPC
Processor Intel i7 6700K // Intel i5 4570
Motherboard GIGABYTE Z270X-Gaming K7 // Gigabyte H97M -D3H
Cooling Corsair H80i V2 // Silverstone NT-06 Pro
Memory Corsair DDR4 3000 32gb //G.SKILL Ripjaws X Series 8GB 1600
Video Card(s) EVGA GTX980ti// EVGA GTX 1050ti
Storage Samsung 950 Pro 512, 2 Tb FireCuda// Samsung 850 Pro, 1 X 4 Tb HGST, 1 x 6Tb Toshiba
Display(s) ASUS PB278Q 27" 1440X 2560 // 50" Samsung Plasma 720p
Case Corsair Obsidian Series 550D // Silverstone Granada GD05
Audio Device(s) ASUS Xonar DGX // HDMI to Yamaha RX V571
Power Supply Corsair TX850M // SeaSonic G Series 550w
Mouse Logitech G502
Keyboard Corsair K70
Software Windows 10 64bit // Windows 7 64bit with Kodi
Whatever is cheapest failure rates are about the same.