Western Digital 4TB WD Red Plus NAS SATA HDD Internal Hard Drive - WD40EFPX
Western Digital Red PlusWD40EFPX 4TB 256MB Hard Drive. Transfer Rate. Disk Speed (RPM). "The item has very low usage, Tested & Works 100%! 0°C to 65°C. Model Number. 5.787" x 4" x 1.028". Endurance (TBW).