Western Digital Red WDS400T2R0A 4 TB 2.5" Serial ATA III 3D NAND

Hard drive
SSD capacity	4 TB
Memory type	3D NAND
Data transmission
Read speed	560 MB/s
Write speed	520 MB/s
Random write (4KB)	83 IOPS
Random read (4KB)	87 IOPS
Features
Interface	Serial ATA III
Component for	NAS
NVMe	No
TBW rating	2500
SSD capacity	4 TB
Read speed	560 MB/s
Write speed	520 MB/s
Memory type	3D NAND
Random write (4KB)	83 IOPS
Random read (4KB)	87 IOPS
Certification	FCC, UL, TUV, KC, RCM, BSMI, VCCI, Morocco, CE, UKCA , CB-Scheme
SSD form factor	2.5"
Certificates
Certification	FCC, UL, TUV, KC, RCM, BSMI, VCCI, Morocco, CE, UKCA , CB-Scheme

Performance
Interface	Serial ATA III
Component for	NAS
NVMe	No
TBW rating	2500
SSD capacity	4 TB
Read speed	560 MB/s
Write speed	520 MB/s
Memory type	3D NAND
Random write (4KB)	83 IOPS
Random read (4KB)	87 IOPS
Design
Component for	NAS
Certification	FCC, UL, TUV, KC, RCM, BSMI, VCCI, Morocco, CE, UKCA , CB-Scheme
SSD form factor	2.5"
Weight & dimensions
Weight	1.22 oz (34.6 g)
Operational conditions
Operating temperature (T-T)	0 - 70 °C
Storage temperature (T-T)	-55 - 85 °C
Technical details
Interface	Serial ATA III
Operating temperature (T-T)	0 - 70 °C
Storage temperature (T-T)	-55 - 85 °C
SSD form factor	2.5"

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SKU	WDS400T2R0A-68CKB0	TS512GMTS800	TS512GSSD420I	717969-B21-AX	816899-B21-AX	SSDEV10HC240-AX
Manufacturer	Western Digital	Transcend	Transcend	Axiom	Axiom	Axiom
Interface	Serial ATA III	N/A	N/A	N/A	N/A	N/A
Memory type	3D NAND	MLC	MLC	MLC	MLC	MLC
SSD capacity	N/A	500GB to 800GB	N/A	N/A	N/A	N/A
Component for	NAS	N/A	N/A	Server/workstation	Server/workstation	Server/workstation
SSD form factor	2.5"	M.2	2.5"	2.5"	2.5"	2.5"