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Specification
Brand : RONGSHU
BulletPoint1 : Ultra-fast speed: The 2.5 inch SATA SSD utilizes SATA III 6Gb/s transfer interface, SLC cache technology, 4K sequential read/write up to 550/500 MB/s, providing more efficient data transfer performance (Test Environment: CPU: Intel 19-9900X ；DRAM: 32GB DDR4；Chipset: IntelX299；OS: Windows 10 x64；Test Tool: CrystalDiskMark 8.0.x)
BulletPoint2 : Upgrade your computer: Compared to traditional mechanical hard drives, the RONGSHU SATA SSD delivers more than 3 times the performance, which significantly improves the speed of booting up your computer, file transfers, and game loading. It also features lower power consumption and delivers a quiet running experience. It is the best choice for computer and laptop upgrades
BulletPoint3 : Durability: The RONGSHU 2.5 inch SATA solid state drive utilizes the latest 3D NAND TLC flash technology, which has a lifespan more than twice as long as that of QLC flash technology, improving the reliability and durability of data storage
BulletPoint4 : High performance: Solid state internal drive is specifically characterized by low power operation, low heat generation, low power consumption, quiet operation, shock and vibration resistance, faster start-up speed and faster program loading
BulletPoint5 : Universal compatibility: Windows 11/Windows 10/Windows 8 (32-bit and 64-bit), Vista (SP1 and above), XP (SP2 and above), macOS and Linux
BulletPoint6 : Quality Assurance: The 2.5 SATA SSD comes with 3 years of after-sales service and free technical support and customer service from a team of professionals who provide ongoing technical support to meet all your needs
BulletPoint7 : Note of Accessories: The Internal SSD does not come with a SATA cable, please prepare a SATA cable in advance when installing after purchase
BulletPoint8 : Note of Capacity: Displayed capacity ≠ nominal capacity, SSD products are usually shipped with a capacity of 1MB=1000KB, 1GB=1000MB, while windows operating system adopts a binary algorithm: 1MB=1024KB. 1GB=1024MB, so there is a certain difference between the displayed capacity and the nominal capacity of the product
Color : Extreme Black
CompatibleDevices : Desktop
CompatibleDevices1 : Laptop
CompatibleDevices2 : Desktop
ConnectivityTechnology : SATA
ConnectorType : Nvme
CustomerPackageType : Standard Packaging
DataTransferRate : 6 gigabits_per_second
DigitalStorageCapacity : 256 GB
ExternallyAssignedProductIdentifier : 4895217902508
ExternallyAssignedProductIdentifier1 : 0740013474466
ExternallyAssignedProductIdentifier2 : 740013474466
ExternallyAssignedProductIdentifier3 : 0763649173862
ExternallyAssignedProductIdentifier4 : 0763649173855
ExternallyAssignedProductIdentifier5 : 8719706430463
ExternallyAssignedProductIdentifier6 : 08719706430463
FormFactor : 2.5-inch
GpsrSafetyAttestation : 1
HardDiskFormFactor : 2.5 inches
HardwareInterface : sata_6_0_gb
HardwarePlatform : PC
HardwarePlatform1 : PC
HardwarePlatform2 : laptop
HardwarePlatform3 : All-in-One PC
IncludedComponents : 1*Instruction Manual, 1*2.5-inch SATA SSD
InstallationType : Internal Hard Drive
ItemDisplayDimensions_Length : 6 centimeters
ItemName : RONGSHU 256GB SATA SSD 2.5'' Internal Solid State Drive, SATA III 6 Gb/s Read Speed Up to 550 MB/s 3D NAND Internal SSD, Upgrade Laptop PC/Desktops (RS550)
ItemPackageDimensions_Height : 26.1 centimeters
ItemPackageDimensions_Length : 1.8 centimeters
ItemPackageDimensions_Width : 14.5 centimeters
ItemPackageQuantity : 1
ItemShape : Round
ItemTypeKeyword : computer-internal-solid-state-drives
Manufacturer : Shenzhen Heshan Technology Co.,Ltd
Material : Plastic
MemoryStorageCapacity : 256 GB
ModelName : NQ100
ModelNumber : RS550
NumberOfBoxes : 1
NumberOfItems : 1
NumberOfLithiumMetalCells : 1
NumberOfPorts : 1
PackageLevel : unit
PartNumber : LNQ100X960G-RNNNG
Platform : windows
ProductDescription :

RS550: (Test environment: CPU: Intel 19-9900X; DRAM: 32GB DDR4; Chipset: IntelX299; 0S: Windows 10 x64; Test Tool: CrystalDiskMark 8.0.x)

Why are SSDs slower than manufacturers' claims when they are connected to a SSD Enclosure and used as an external SSD?

The speeds claimed by manufacturers are generally the data from testing the SSD directly into the computer as an internal SSD using specific tools such as CrystalDiskMark. In addition, there are several reasons why SSDs are slower when they are connected to a SSD enclosure:

1. Interface transfer rate limitation

Some older computers may only have a USB 2.0 interface with a transfer rate of only 480Mbps, which can greatly limit the read/write speed of the external SSD.

2. Data Transfer Protocol Conversion

 When a solid state drive is connected to a computer via a SSD enclosure, the enclosure needs to convert the SATA or NVME protocol to USB protocol. The protocol conversion process incurs a certain amount of overhead, which affects the efficiency of data transfer.

3. Power Stability

External SSD enclosures are usually powered by the USB interface, which provides limited power. If the power management design of the SSD enclosure is not reasonable, or the power supply of the connected USB interface is insufficient, the hard disk may not be able to work in the best performance state, and the read/write speed will be unstable or even decrease.

ProductSiteLaunchDate : 2025-04-01T07:00:00.000Z
ReadSpeed : 550
Size : 960GB
SpecificUsesForProduct : Personal
SpecificUsesForProduct1 : backup
SpecificUsesForProduct2 : storage
StreetDate : 2023-07-25T00:00:01Z
Style : NQ100
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
TotalUsbPorts : 1
UnitCount : 1
UnspscCode : 43201830
WarrantyDescription : 3 Year Manufacturer
WarrantyType : Limited
WriteSpeed : 500