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    Western Digital WD Blue SN5100 4TB NVMe Internal SSD, PCIe 4.0 x4, Up to 6,900 MB/s Sequential Read, M.2 2280, WDS400T5B0E-00CPE0

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    • SPEED UP PROJECTS. Accelerate your AI-enabled workflow with PCIe Gen 4.0 speeds up to 6,900 MB/s, 30% faster than our prior generation.
    • CREATE AND STORE MORE. Make more room for your masterpieces with capacities up to 4TB on M.2 2280 with SANDISK 3D CBA NAND technology.
    • WORK FASTER. Copy large files or project folders in blistering speeds thanks to our SANDISK nCache 4.0 technology.
    • CREATE CONFIDENTLY. Know your new SSD is covered with SanDisk's 5-year limited warranty.
    • ACRONIS TRUE IMAGE DOWNLOAD. Download Acronis True Image for SANDISK data migration software to transfer your files to your new drive.
    • MONITOR YOUR DRIVE. Monitor your SSD's performance and check for updates with the downloadable SANDISK Dashboard application.
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    Overview
    Specs
    Reviews

    Overview

    The Western Digital WD Blue SN5100 is a 4TB internal NVMe SSD for desktop and laptop users who need PCIe 4.0 storage for large files, creative projects, and everyday workloads.


    Key Features

    • 4TB capacity for storing large projects and files
    • PCIe 4.0 x4 NVMe interface
    • QLC 3D CBA NAND memory components
    • SANDISK nCache 4.0 technology for copying large files or project folders
    • Downloadable tools for data migration and drive monitoring

    Performance

    The SSD provides up to 6,900 MB/s sequential read and up to 6,700 MB/s sequential write performance. Rated 4KB random performance reaches up to 900,000 IOPS read and up to 1,100,000 IOPS write.


    Design

    The M.2 2280 form factor measures 2.38mm in height, 22mm in width, and 80mm in depth. Weight is 5.7g.


    Connectivity & Compatibility

    The drive uses the NVMe protocol over a PCI-Express 4.0 x4 interface and is intended for desktop and laptop users.


    Reliability & Durability

    The SSD is rated for 1,200TB written and has an MTTF of 1.75 Million hours. Operating temperature is 32°F to 185°F (0°C to 85°C), while storage temperature is -40°F to 185°F (-40°C to 85°C). Maximum shock resistance is 1,500G @ 0.5 ms half sine. Operating vibration is 5 gRMS, 10-2000 Hz, 3 axes; non-operating vibration is 4.9 gRMS, 7-800 Hz, 3 axes.


    Software & Tools

    Acronis True Image for SANDISK data migration software is available for download to transfer files to the drive. The downloadable SANDISK Dashboard application supports SSD performance monitoring and update checks.


    Specifications

    • Brand: Western Digital
    • Model: WDS400T5B0E-00CPE0
    • Device Type: Internal Solid State Drive (SSD)
    • Used For: Consumer
    • Capacity: 4TB
    • Form Factor: M.2 2280
    • Memory Components: QLC 3D CBA NAND
    • Interface: PCI-Express 4.0 x4
    • Protocol: NVMe
    • Cache: No DRAM (HMB)
    • Encryption: TCG Pyrite 2.01, ATA security passthrough over NVMe
    • Max Sequential Read: Up to 6900 MBps
    • Max Sequential Write: Up to 6700 MBps
    • 4KB Random Read: Up to 900,000 IOPS
    • 4KB Random Write: Up to 1,100,000 IOPS
    • Terabytes Written (TBW): 1200TB
    • MTTF: 1.75 Million hours
    • Operating Temperature: 32°F to 185°F (0°C to 85°C)
    • Storage Temperature: -40°F to 185°F (-40°C to 85°C)
    • Max Shock Resistance: 1,500G @ 0.5 ms half sine
    • Height: 2.38mm
    • Width: 22mm
    • Depth: 80mm
    • Weight: 5.7g

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 5 years
    • Limited Warranty period (labor): 5 years
    • Read full details

    Return Policies

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    The WD Blue SN5100 is a 4TB M.2 2280 NVMe SSD for desktop and laptop users who want high-capacity PCIe 4.0 storage for large files, creative projects, and everyday workloads, with sequential read speeds up to 6,900 MB/s.

    Recommended For

    • PC creators who want a roomy internal drive for storing 4K/8K footage, images, project files, and AI media assets; SanDisk positions the SN5100 for creator PCs and secondary storage, and reviewers found it fast in most workloads before its write cache is exhausted.
    • PC builders expanding a game library or adding fast secondary storage who value 4TB of space and quick everyday loading more than consistently high speeds during very long writes.
    • Laptop or desktop owners with an available M.2 2280 NVMe slot who want a single-sided 4TB drive for project files, media, and other frequently accessed data.
    • Users moving large files or project folders in bursts who want fast PCIe 4.0 transfers and substantial capacity, rather than a drive intended for nonstop bulk-write work.

    Real-World Use Scenarios

    • For a PC game library, the 4TB SN5100 provides room for many installed games, and tested SN5100 configurations showed short game load times. It suits loading games more than repeatedly writing very large files.
    • As an internal drive for everyday desktop or laptop use, the SN5100 can hold the operating system, applications, and personal files; typical launches and routine file access should feel responsive. The computer must support an M.2 2280 PCIe NVMe SSD.
    • For photo, video, and other creative projects, the 4TB capacity can keep project files and a media library on one internal drive. It can handle ordinary project-folder copies, but repeated, very large writes may slow after the fast write cache is used.
    • As a secondary drive in a compatible PC, the SN5100 can expand space for a large media collection, project archive, or less frequently used files without replacing the existing system drive.

    Spec Summary

    AttributeValue
    Best ForInternal 4TB storage for consumer desktop and laptop PCs, suited to personal, multimedia, and business files
    Capacity4TB
    Interface And Form FactorM.2 2280 internal SSD using PCIe 4.0 x4 and NVMe
    Read Write PerformanceSequential speeds up to 6,900 MB/s read and 6,700 MB/s write; random 4KB performance up to 900,000 IOPS read and 1,100,000 IOPS write
    NAND And CacheQLC 3D CBA NAND with no DRAM; uses HMB cache
    SecurityTCG Pyrite 2.01 encryption and ATA security passthrough over NVMe
    Endurance And ReliabilityRated for 1,200TB written, with an MTTF of 1.75 million hours
    Operating Conditions And DurabilityOperating temperature: 0°C to 85°C; storage temperature: −40°C to 85°C. Shock resistance: 1,500G at 0.5 ms half-sine; vibration resistance is specified for operating and non-operating conditions
    Dimensions And Weight80 × 22 × 2.38 mm; weighs 5.7 g
    Model IdentifiersWestern Digital, model WDS400T5B0E-00CPE0; model name WD Blue SN5100 NVMe SSD