Product comparison · 2 internal solid state drives

Dahua Technology 1TB 2.5 inch SATA SSD vs Dahua Technology SSD-S820GS2TB

Key differences

SSD capacity
- 1TB 2.5 inch SATA SSD:1 TB
- SSD-S820GS2TB:2 TB
Interface
- 1TB 2.5 inch SATA SSD:Serial ATA III
- SSD-S820GS2TB:Serial ATA
Sequential read speed (ATTO)
- 1TB 2.5 inch SATA SSD:550 MB/s
- SSD-S820GS2TB:480 MB/s
Sequential write speed (ATTO)
- 1TB 2.5 inch SATA SSD:500 MB/s
- SSD-S820GS2TB:440 MB/s
TBW rating
- 1TB 2.5 inch SATA SSD:400
- SSD-S820GS2TB:4000
Power consumption (max)
- 1TB 2.5 inch SATA SSD:1.96 W
- SSD-S820GS2TB:3.4 W
Width
- 1TB 2.5 inch SATA SSD:69.9 mm
- SSD-S820GS2TB:100.2 mm
Depth
- 1TB 2.5 inch SATA SSD:100.2 mm
- SSD-S820GS2TB:69.9 mm

Differences highlightedShow differences only

Comparison of DHI-SSD-C800A, SSD-S820GS2TB
31 specifications	A Dahua Technology 1TB 2.5 inch SATA SSD Model DHI-SSD-C800A View product	B Dahua Technology SSD-S820GS2TB Model SSD-S820GS2TB View product
Features5 differ
SSD capacityDiffers	1 TB	2 TB
InterfaceDiffers	Serial ATA III	Serial ATA
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Sequential read speed (ATTO)Differs	550 MB/s	480 MB/s
Sequential write speed (ATTO)Differs	500 MB/s	440 MB/s
Native Command Queuing (NCQ)Known for one	Yes	Unknown — not stated by the source
TBW ratingDiffers	400	4000
Random read (4KB)Known for one	Unknown — not stated by the source	49 IOPS
Random write (4KB)Known for one	Unknown — not stated by the source	66 IOPS
Power1 differ
Power consumption (max)Differs	1.96 W	3.4 W
Power consumption (idle)Known for one	0.84 W	Unknown — not stated by the source
Power consumption (average)Known for one	Unknown — not stated by the source	0.53 W
Weight & dimensions2 differ
WidthDiffers	69.9 mm	100.2 mm
DepthDiffers	100.2 mm	69.9 mm
Packaging data2 differ
Package widthDiffers	105.5 mm	140.5 mm
Package depthDiffers	140.5 mm	105.5 mm
Operational conditions1 differ
Vibration resistanceDiffers	0.5 G	2.78 G

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.