High quality/High cost performance 128GB/256GB/512g/1tb High-Speed Solid State Drive Hard Disk Drive SSD

Min.Order: 20
Product origin: Shenzhen, Guangdong, China
Infringement complaint: complaintComplaint
US$ 3.5 ~ 39

Description
240GB 256GB 2.5 Inch Sataiii Solid State Hard Disk Drive Solid State Drive SSD for Desktop Laptop
Interface SATA III
Capacity128GB256G512GB1TB2TB
Sequential read (MB/S)450~500 MB/S500~550 MB/S510~560 MB/S510~570 MB/S540~570 MB/S
Sequential write (MB/S)400~450 MB/S450~500 MB/S470~540 MB/S480~540 MB/S520~540 MB/S
4KB Random Read (MB/S)500MB/S
4KB Random Write (MB/S)400MB/S
Physical dimension2.5inch
NAND Flash3D TLC/MLC
Input Voltage5V±5%
Support wear levelingYesSupport Garbage collectionYes
Support Error Checking And Correcting(ECC)YesSupport Over-provisioningYes
Support TRIM (Disable Delete Notify) commandYesSupport Native Command Queuing (NCQ)Yes

About SSD performance test 

1. Our speed test is base on SATA 3.0 interface
Difference between SATA I, SATA II and SATA III
SATA I (revision 1.x) interface, formally known as SATA 1.5Gb/s , is the first generation SATA interface running at 1.5 Gb/s. Max speed 150MB/s.
SATA II (revision 2.x) interface, formally known as SATA 3Gb/s, is a second generation SATA interface running at 3.0 Gb/s. Max speed 300MB/s.
SATA III (revision 3.x) interface, formally known as SATA 6Gb/s, is a third generation SATA interface running at 6.0Gb/s. Max speed 600MB/s. This interface is backwards compatible with SATA 3 Gb/s interface.
If sata3.0 SSD tested speed on sata2.0 interface and sata cable, then the result will be inaccurate.

2. Due to different platform or software, the result will be a little difference(we usually use CrystaDisk and AS SSD Benchmark test Our SSD)

Why the capacity display from computer is smaller than original capacity? 

1. In factory,  we use 1000KB=1MB for calculate, also we use a little space as the Bad Bolck Management software for SSD's stable using, the real capacity will be: Capacity x 0.93, Pls notice that all of the SSD must have the Bad Block Management sofeware for its running well.
Actual capacity calculation: Total storage x 0.93 
Factory default setting :1GB=1000MB=1000000KB=1000000000B Computer 
system setting:1GB=1024MB=1048576KB=1073741824B 

For Example: 360GB SSD
Factory capacity: 360x1000x1000x1000=360000000000B 
In computer show actual capacity: 360000000000B/1024/1024/1024=335G Fast calculation: 360Gx0.93=335G
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