WEB LINK: https://www.sonicinformed.co.za/catalogue/main-components-hard-drives-internal-3-5-/hd-wd-40efrx

Western Digital Red NAS Drive 3.5" 4TB SATA Internal Hard Drive With 5400 RPM Performance Speed And SATA III 6Gbps Transfer Speed

Features:
-Designed for use in NAS systems with up to 8bays
-Built for optimum NAS compatibility
-Errror recovery controls
-Noise and vibration protection

Specifications:
-Model No: WD10EFRX
-Interface: SATA 6Gb/s
-Formatted Capacity: 4TB
-Form Factor: 3.5"
-Performance Class: 5400 RPM Class
-Advanced Format: Yes
-RoHS compliant: Yes
-Cache: 64MB
-Load/Unload Cycles: 600 000
-Operating temperature: 0-65°C
-Shock Operating 2 ms Read/Write: 30/65
-Shock non-operating 2 ms: 350
-Dimensions: 26.1(H) x 147(L) x 101.6(W) mm

What's in the box:
-1x WD Red 3.5" 4TB HDD