My Cloud Home Hard Drive Compatibility Matrix

IMPORTANT:

4Kn (native) sector formatted drives are not supported.
They should not be used as replacement drives.

WD Red drives support 512-byte emulation (512e).
Advanced format drive have models with 512-byte emulation (512e) for backward compatibility.

Need more help?
Answer ID 20968: Internal Drive Advanced Format 4k Sector Size Support and Information

Replacement drives must be the same type, model, and capacity.
My Cloud Home Duo drive capacity cannot be upgraded.
CMR and SMR drives are supported.

Need more help?
- Answer ID 29458: WD Red Internal HDD SMR and CMR Network Attached Storage (NAS) Drive Information
- Answer ID 21272: How to Replace My Cloud Home Duo Degraded Drives

Replacement Drives

Original Drives

Name	Capacity	Model Number	Drive Quantity	Default Configuration	Drive Type	Drive Model Number
My Cloud Home	2 TB	WDBVXC0020HWT	1	-	WD Red	WD20EFRX-68EUZN0
My Cloud Home	3 TB	WDBVXC0020HWT	1	-	WD Red	WD30EFRX-68EUZN0
My Cloud Home	4 TB	WDBVXC0020HWT	1	-	WD Red	WD40EFRX-68N32N0
My Cloud Home	6 TB	WDBVXC0020HWT	1	-	WD Red	WD60EFRX-68MYMN0
My Cloud Home	8 TB	WDBVXC0020HWT	1	-	WD Red	WD80EFZX-68UW8N0

My Cloud Home Duo	4 TB	WDBMUT0040JWT	2	RAID 1	WD Red	WD20EFRX-68EUZN0
My Cloud Home Duo	6 TB	WDBMUT0060JWT	2	RAID 1	WD Red	WD30EFRX-68EUZN0
My Cloud Home Duo	8 TB	WDBMUT0080JWT	2	RAID 1	WD Red	WD40EFRX-68N32N0
My Cloud Home Duo	12 TB	WDBMUT0120JWT	2	RAID 1	WD Red	WD60EFRX-68MYMN0
My Cloud Home Duo	16 TB	WDBMUT0160JWT	2	RAID 1	WD Red	WD80EFZX-68UW8N0
My Cloud Home Duo	20 TB	WDBMUT0200JWT	2	RAID 1	WD Red	WD100EFAX-68LHPN0

Details