What is the TBW of the 4TB drive? Is it ok to use for NVR?

The TBW (Terabytes Written) of the 4TB drive is 2500TB. It is ideal for caching in NAS systems, which suggests it should also be suitable for an NVR (Network Video Recorder) as it reduces latency and improves responsiveness.

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Western Digital 4TB WD Red SA500 NAS 3D NAND Internal SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 560 MB/s - WDS400T2R0A

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SATA III 6 Gb/s, 2.5"/7mm, Up to 560 MB/s
WDS400T2R0A

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WD Red SA500 WDS400T2R0A 4 TB Solid State Drive - 2.5" Internal - SATA (SATA/600) - NAS Device Supported - 2500 TB TBW

Model
Brand	Western Digital
Series	Red SA500
Model	WDS400T2R0A
Part Number	WDS400T2R0A
Device Type	Internal Solid State Drive (SSD)
Used For	Consumer

Details
Form Factor	2.5"
Capacity	4TB
Interface	SATA
Protocol	SATA

Performance
Max Sequential Read	Up to 560 MBps
Max Sequential Write	Up to 520 MBps
4KB Random Read	Up to 87,000 IOPS
4KB Random Write	Up to 83,000 IOPS
Terabytes Written (TBW)	2500TB
MTTF	Up to 2,000,000 hours

Features
Features	Endurance of up to 2500TBW Ideal for caching in NAS systems to rapidly access your most frequently used files Reduces latency and improves responsiveness for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing, and more

Environmental
Operating Temperature	0°C ~ +70°C
Storage Temperature	-55°C ~ +85°C
Max Shock Resistance	1,500 G @ 0.5 msec half sine
Max Vibration Resistance	5.0 gRMS, 10-2000 Hz

Dimensions & Weight
Height	7.00mm
Width	100.2mm
Depth	69.85mm
Weight	34.6g

Additional Information
First Listed on Newegg	February 26, 2026

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Western Digital 4TB WD Red SA500 NAS 3D NAND Internal SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 560 MB/s - WDS400T2R0A

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Western Digital 4TB WD Red SA500 NAS 3D NAND Internal SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 560 MB/s - WDS400T2R0A

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Customer Reviews of the SanDisk WDS400T2R0A

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Warranty, Returns, And Additional Information

Warranty

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