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    | SSD form factor | M.2 | 
|---|---|
| Hardware encryption | No | 
| SSD capacity | 4000 GB | 
| NVMe | Yes | 
| Manufacturer | Western Digital | 
| Availability | In Stock | 
| Hard drive | |
|---|---|
| PCI Express interface data lanes | x4 | 
| SSD capacity | 4 TB | 
| Performance | |
| Windows operating systems supported | Windows 10, Windows 11 | 
| Interface | PCI Express 4.0 | 
| Component for | PC | 
| NVMe | Yes | 
| TBW rating | 2400 | 
| PCI Express interface data lanes | x4 | 
| SSD capacity | 4 TB | 
| Read speed | 7300 MB/s | 
| Write speed | 6600 MB/s | 
| Random write (4KB) | 1100000 IOPS | 
| Random read (4KB) | 1200000 IOPS | 
| Hardware encryption | No | 
| Data transmission | |
| Read speed | 7300 MB/s | 
| Write speed | 6600 MB/s | 
| Random write (4KB) | 1100000 IOPS | 
| Random read (4KB) | 1200000 IOPS | 
| Features | |
| Interface | PCI Express 4.0 | 
| Component for | PC | 
| NVMe | Yes | 
| TBW rating | 2400 | 
| PCI Express interface data lanes | x4 | 
| SSD capacity | 4 TB | 
| Windows operating systems supported | Windows 10, Windows 11 | 
| Read speed | 7300 MB/s | 
| Write speed | 6600 MB/s | 
| Random write (4KB) | 1100000 IOPS | 
| Random read (4KB) | 1200000 IOPS | 
| Hardware encryption | No | 
| SSD form factor | M.2 | 
| Design | |
| Component for | PC | 
| SSD form factor | M.2 | 
| Weight & dimensions | |
|---|---|
| Width | 24.3 mm | 
| Weight | 30.4 g | 
| Height | 10.4 mm | 
| Depth | 80 mm | 
| System requirements | |
| Windows operating systems supported | Windows 10, Windows 11 | 
| Operational conditions | |
| Operating temperature (T-T) | 0 - 85 °C | 
| Storage temperature (T-T) | -40 - 85 °C | 
| Minimum operating temperature | 0 °C | 
| Maximum operating temperature | 85 °C | 
| Technical details | |
| Interface | PCI Express 4.0 | 
| Operating temperature (T-T) | 0 - 85 °C | 
| Storage temperature (T-T) | -40 - 85 °C | 
| Hardware encryption | No | 
| SSD form factor | M.2 | 
| Warranty period | 5 year(s) | 
| Software | |
| Windows operating systems supported | Windows 10, Windows 11 | 
| Other features | |
| Warranty period | 5 year(s) | 
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        £358.56
        
 |    NewSamsung PM961 1 TB 
    
        £467.54
        
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 |     BestsellerSamsung MZ-77Q4T0 4 TB 2.5" Seria... 
    
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 | 
|---|---|---|---|---|---|---|
| SKU | 
                                                                                                                                WDS400T2XHE-00BCA0                                                                                                                         | 
                                                                                                                                09TVP                                                                                                                         | 
                                                                                                                                MZVLW1T0HMLH-00000                                                                                                                         | 
                                                                                                                                400-BDQU                                                                                                                         | 
                                                                                                                                4XB7A17088                                                                                                                         | 
                                                                                                                                MZ-77Q4T0BW                                                                                                                         | 
| Manufacturer | 
                                                                                                                                Western Digital                                                                                                                         | 
                                                                                                                                DELL                                                                                                                         | 
                                                                                                                                Samsung                                                                                                                         | 
                                                                                                                                DELL                                                                                                                         | 
                                                                                                                                Lenovo                                                                                                                         | 
                                                                                                                                Samsung                                                                                                                         | 
| Component for | 
                                                                                                                                PC                                                                                                                         | 
                                                                                                                                Server/workstation                                                                                                                         | 
                                                                                                                                N/A                                                                                                                         | 
                                                                                                                                Server/workstation                                                                                                                         | 
                                                                                                                                Server/workstation                                                                                                                         | 
                                                                                                                                PC/notebook                                                                                                                         | 
| SSD capacity | 
                                                                                                                                N/A                                                                                                                         | 
                                                                                                                                300GB to 400GB                                                                                                                         | 
                                                                                                                                800GB to 1000GB                                                                                                                         | 
                                                                                                                                800GB to 1000GB                                                                                                                         | 
                                                                                                                                400GB to 500GB                                                                                                                         | 
                                                                                                                                N/A                                                                                                                         | 
| SSD form factor | 
                                                                                                                                M.2                                                                                                                         | 
                                                                                                                                1.8"                                                                                                                         | 
                                                                                                                                N/A                                                                                                                         | 
                                                                                                                                2.5"                                                                                                                         | 
                                                                                                                                2.5"                                                                                                                         | 
                                                                                                                                2.5"                                                                                                                         | 
| Interface | 
                                                                                                                                PCI Express 4.0                                                                                                                         | 
                                                                                                                                Serial ATA III                                                                                                                         | 
                                                                                                                                N/A                                                                                                                         | 
                                                                                                                                Serial ATA III                                                                                                                         | 
                                                                                                                                Serial ATA III                                                                                                                         | 
                                                                                                                                Serial ATA III                                                                                                                         | 
| Memory type | 
                                                                                                                                N/A                                                                                                                         | 
                                                                                                                                N/A                                                                                                                         | 
                                                                                                                                N/A                                                                                                                         | 
                                                                                                                                N/A                                                                                                                         | 
                                                                                                                                3D TLC NAND                                                                                                                         | 
                                                                                                                                V-NAND MLC                                                                                                                         | 
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