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Specification
Brand : RONGSHU
BulletPoint1 : Supreme Speed: The M.2 2280 NVMe SSD utilizes a PCIe Gen3x4 high-speed interface and delivers 4K sequential read/write speeds of up to 3000/1500 MB/s. (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: Intelligent SLC caching technology enhances the read/write performance of the SSD, and the product transfer performance is more than 5 times that of the SATA III interface. It greatly improves the speed of booting, program opening, game loading, file saving and transferring.
BulletPoint3 : Endurance: The RONGSHU M.2 NVMe 2280 solid state drive utilizes the latest 3D NAND TLC flash technology, which lasts more than twice as long as QLC flash technology, improving the reliability and endurance of data storage.
BulletPoint4 : Widely Compatible: M.2 interface, 2280 form factor, can be used for desktops, laptops and DIY your own portable external SSD.Note: This product does not support PS4, PS5.
BulletPoint5 : Professional After-Sales: The M.2 NVMe 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.
BulletPoint6 : 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 : RP-2280, 3500
CompatibleDevices : PC
CompatibleDevices1 : Laptop
CompatibleDevices2 : Desktop
ConnectivityTechnology : NVMe
ConnectorType : Nvme
CustomerPackageType : Standard Packaging
DataTransferRate : 32 gigabits_per_second
DigitalStorageCapacity : 256 GB
ExternallyAssignedProductIdentifier1 : 0740013475418
ExternallyAssignedProductIdentifier2 : 740013475418
FormFactor : M.2 PCIe Gen 3×4
HardwareInterface : pci_express_3.0
HardwarePlatform1 : PC
HardwarePlatform2 : laptop
HardwarePlatform3 : All-in-One PC
IncludedComponents : 1*Instruction Manual, 1* M.2 PCIE3.0 SSD Solid State Drive , 2*Screws (M2x3mm)
InstallationType : Internal Hard Drive
ItemName : RONGSHU 256GB NVMe SSD M.2 PCIe Gen 3×4, Read Speeds Up to 3,000 MB/s, M.2 2280 Internal Soild State Drive, SLC Cache 3D NAND TLC Compatible with Laptop and PC Desktops (RP3500)
ItemPackageDimensions_Height : 14.9 centimeters
ItemPackageDimensions_Length : 1.9 centimeters
ItemPackageDimensions_Width : 8.7 centimeters
ItemPackageQuantity : 1
ItemShape : Round
ItemTypeKeyword : computer-internal-solid-state-drives
Manufacturer : Shenzhen Heshan Technology co.,Ltd
Material : Plastic
MemoryStorageCapacity : 256 GB
ModelNumber : RP3500
NumberOfBoxes : 1
NumberOfItems : 1
NumberOfPorts : 1
PartNumber : 003-5070-01
ProductDescription :

RP3500: (Test environment: CPU: Intel 19-9900X; DRAM: 32GB DDR4; Chipset: IntelX299; OS: 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 : 2025-01-24T07:47:14.073Z
ReadSpeed : 3000 megabytes_per_second
Size : 22*80 (mm)
Style : NVME 2242 to 2280 for Legion Go
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
UnitCount : 1
UnspscCode : 43201830
WarrantyDescription : 3 Year Manufacturer
WarrantyType : Limited
WriteSpeed : 1500 megabytes_per_second