Skip to main content
Team Group 16GB (2 x 8GB) 288-Pin PC RAM DDR5 6000 (PC5 48000) Memory Model FF3D516G6000HC38ADC01
  •  
  • $279.99 –
  • Save: 5%
  • $599.99
  • Free 91-day Returns
  • Add to PC build list 
    Login to Make an Offer
    Sold by Newegg

    Shipped by Newegg

    Price alert

    Best Sellers

    Top Rated
    4.6 (17,949 total ratings)
    • $759.50
    • + FREE SHIPPING
    Top Rated
    4.5 (17,994 total ratings)
    • $759.81
    • + FREE SHIPPING
    Top Rated
    4 (3,724 total ratings)
    • $816.80
    NAS Builder
    Newegg PC Builder
    Shop it at NeweggBusiness.

    SanDisk Optimus 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0

    • 1TB
    • 2TB
    • 4TB
    • 500GB
    • SPEED UP PROJECTS. Launch creator applications fast with uncompromising PCIe 4.0 read speeds up to 6,900MB/s,[2] (1TB and 2TB[1] models) and write speeds up to 6,700MB/s[2] (1TB[1]-4TB[1] models).
    • CREATE AND STORE MORE. Make more room for your 4K videos and high-resolution images with capacities from 500GB[1] up to 4TB[1] on M.2 2280 built with our trusted 8th generation SANDISK BiCS QLC 3D CBA NAND.
    • IT GOES WHERE YOU GO. With an all-new power efficient design, your drive delivers high performance with low power, giving you more time to be productive while on the go.
    • UNCOMPROMISED RELIABILITY. With up to 1,200 TBW[3] (4TB[1] model) endurance rating, your drive is designed for creators.
    • KEEP YOUR DRIVE UPDATED. Monitor your SSD’s performance and check for updates with the downloadable SANDISK Dashboard application.[5]
    🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
    +
    +
    Overview
    Specs
    Reviews
    See all Q & A

    Any questions? Ask CelesteSM will help you find out quickly.

    Overview

    The SanDisk Optimus 5100 is a 4TB internal solid state drive for systems that support an M.2 2280 PCI-Express 4.0 x4 NVMe drive. It combines QLC 3D CBA NAND with high sequential and random performance in a compact internal storage design.


    Key Features

    • 4TB capacity for internal data, application, and game storage
    • PCI-Express 4.0 x4 interface with NVMe protocol
    • Up to 6900 MBps sequential read and up to 6700 MBps sequential write
    • Up to 900,000 IOPS 4KB random read and up to 1,100,000 IOPS 4KB random write
    • M.2 2280 form factor measuring 22mm wide and 80mm deep

    Performance

    Sequential performance reaches up to 6900 MBps read and up to 6700 MBps write. 4KB random performance reaches up to 900,000 IOPS read and up to 1,100,000 IOPS write. The drive uses QLC 3D CBA NAND and has no DRAM, using SLC cache.


    Design

    The internal SSD uses an M.2 2280 form factor with a height of 2.38mm, width of 22mm, depth of 80mm, and weight of 5.7g. It is supplied without a heatsink.


    Connectivity & Compatibility

    The drive uses a PCI-Express 4.0 x4 interface and NVMe protocol. It is intended for systems with an M.2 2280 slot supporting PCI-Express 4.0 x4 NVMe storage.


    Reliability & Durability

    The drive is rated for 1200TB total bytes written and a 1,750,000-hour MTBF. Operating temperature is 0°C to +85°C, while storage temperature is -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.


    Specifications

    • Brand: SanDisk
    • Series: Optimus 5100
    • Model: SDSP51400TAN-000E0
    • Device Type: Internal Solid State Drive (SSD)
    • Capacity: 4TB
    • Form Factor: M.2 2280
    • Memory Components: QLC 3D CBA NAND
    • Interface: PCI-Express 4.0 x4
    • Protocol: NVMe
    • Cache: No DRAM (SLC)
    • 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
    • MTBF: 1,750,000 hours
    • HeatSink: without HeatSink
    • Power Consumption (Idle): 4.5 mW
    • Power Consumption (Active): Average Active Power Read: 4.3W; Average Active Power Write: 4.3W
    • Operating Temperature: 0°C ~ +85°C
    • Storage Temperature: -40°C ~ +85°C
    • 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

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

    • Return for refund until: January 31, 2026
    • Return for replacement until: January 31, 2026
    • This item is covered by Newegg.com's Extended Holiday Return Policy.
    • Read full return policy for details.
    LOADING...
    LOADING...

    The SanDisk Optimus 5100 is a 4TB M.2 2280 NVMe SSD for PCIe 4.0 x4 systems, with sequential speeds up to 6,900 MB/s read and 6,700 MB/s write; it suits creators and power users who need fast access to large project files and substantial internal storage.

    Recommended For

    • Creators upgrading a compatible laptop who need one internal drive for applications and large 4K video or high-resolution photo libraries; the 4TB capacity and single-sided M.2 2280 design suit that storage role.
    • Desktop PC users adding a high-capacity secondary drive for a growing media library, games, and project files, rather than relying on it for constant, very large write jobs.
    • PC gamers expanding an M.2 game library who want quick game launches and loads; a professional test of the related SN5100 drive found strong game-loading results, though the tested capacity was 2TB.
    • Mobile creators upgrading a compatible laptop who value a slim internal drive and lower-power design for carrying project files and working away from a desk.

    Real-World Use Scenarios

    • A creator upgrading a compatible laptop or desktop can use the 4TB drive for editing projects and media files, keeping a large working library on one internal SSD while getting responsive file access.
    • For a PC gamer adding a dedicated game-library drive, 4TB provides room for many installed titles; the review describes the same drive family as a suitable game-focused or secondary SSD.
    • When moving a large batch of project files or media between drives, users can expect fast transfers in compatible PCIe 4.0 systems; one review of the 2TB version reported consistent performance while copying hundreds of gigabytes, though results vary by system and workload.
    • A laptop owner replacing a smaller internal SSD can use the 4TB capacity to consolidate applications, documents, photos, and video on one drive, provided the laptop supports an M.2 2280 NVMe SSD.
    • A content creator building a desktop or compatible NAS can use the drive as high-capacity internal storage for a media library; confirm the system supports this M.2 NVMe drive before installation.

    Spec Summary

    AttributeValue
    Best For4TB internal NVMe storage for gaming, personal, or business use in compatible desktop or laptop systems
    Capacity4TB solid-state storage
    Interface And Form FactorM.2 2280 internal SSD with PCIe 4.0 x4 connectivity and NVMe protocol
    Read Write PerformanceSequential speeds up to 6,900 MB/s read and 6,700 MB/s write; 4KB random performance up to 900,000 IOPS read and 1,100,000 IOPS write
    Cache And NANDQLC 3D CBA NAND with no DRAM cache (SLC)
    Endurance And Reliability1,200TB endurance rating and 1,750,000-hour MTBF
    Power And Operating Conditions4.5mW idle power; average active read and write power of 4.3W each; operating temperature 0°C to 85°C and storage temperature −40°C to 85°C
    Shock And Vibration ResistanceShock resistance up to 1,500G at 0.5ms half-sine; operating vibration 5gRMS at 10–2,000Hz across 3 axes and non-operating vibration 4.9gRMS at 7–800Hz across 3 axes
    Physical Specifications22mm wide, 80mm deep, 2.38mm high; weighs 5.7g; supplied without a heatsink
    System CompatibilityPC hardware platform; Windows system requirement; compatible-device listings include desktop and laptop
    Model IdentifiersSanDisk Optimus 5100; model identifiers SDSP51400TAN-000E0 and SDSP51400TAN

    Reference Q&A

    Q: Is the SanDisk Optimus 5100 4TB different from the WD Blue SN5100 4TB?

    A: They are counterparts in the same 5100 product line: SanDisk’s Optimus 5100 replaced the WD Blue SN5100 as part of a branding change. Choose between listings based on price, availability, and the seller’s warranty terms; don’t assume the SanDisk branding alone means a performance upgrade.

    Q: Should I get the Optimus 5100 4TB or the Optimus GX Pro 850X 4TB?

    A: Choose the Optimus 5100 for a high-capacity PCIe 4.0 drive for everyday use and creator workloads. Consider the GX Pro 850X for frequent large writes or a gaming-focused build: it uses TLC NAND, while the 5100 uses QLC, which independent testing found can slow substantially after its write cache fills. Their advertised peak sequential speeds are similar, so the 5100’s peak figures alone do not settle the choice.

    Q: Is the Optimus 5100 4TB a worthwhile upgrade from the WD Blue SN5000 4TB?

    A: The 5100 is a reasonable upgrade when its price is competitive and faster sustained transfers matter: PCWorld found the SN5100 improved sustained throughput over the SN5000 in most tested workloads. The older SN5000 performed better in some random-operation tests, however, so the upgrade is less compelling if the SN5000 is substantially cheaper or your priority is that type of workload.

    Q: Should I buy the Optimus 5100 2TB or 4TB?

    A: Choose the 4TB model when you need more room for games, media, or project files; SanDisk rates it for up to 1,200 TBW. Choose 2TB if that capacity meets your needs and the higher advertised sequential-read rating matters: SanDisk lists up to 7,100 MB/s for 2TB and 6,900 MB/s for 4TB. These are manufacturer maximums, not guaranteed real-world speeds.

    Q: Will this SSD work in my laptop or desktop?

    A: It requires an available M.2 2280 slot that supports NVMe over PCIe. Check your device or motherboard specifications for slot support and physical clearance before buying; the drive’s PCIe 4.0 x4 speeds also depend on the host system supporting that interface.

    Q: Is this SSD suitable for gaming and large file transfers?

    A: It offers 4TB of storage and sequential speeds of up to 6,900 MB/s read and 6,700 MB/s write, making it suitable for storing games and working with large files. Actual speeds depend on the system and workload.

    Q: Does this SSD include a heatsink?

    A: No. The product is listed without a heatsink. Check whether your computer has an M.2 heatsink or other suitable cooling, and confirm there is enough room for the drive in its installed position.

    Q: Is 4TB enough for games, projects, and everyday storage?

    A: The drive provides 4TB of listed capacity, which can hold a large collection of games, applications, and work files. The space you need depends on file sizes and how much content you keep installed or stored locally.

    Q: Is the SanDisk Optimus 5100 suitable as a game drive?

    A: It can be considered for game storage: the 4TB model is a PCIe 4.0 x4 NVMe SSD, and its listed sequential read speed is up to 6,900 MB/s. Reddit discussion of the 5100 line says it can handle gaming, while noting that high peak speeds do not necessarily translate into noticeably better everyday performance. The discussion concerns a 1TB version, not this exact 4TB model.

    Q: What are the main trade-offs of the Optimus 5100 for frequent large writes?

    A: The 4TB model uses QLC NAND and has no DRAM, with an SLC cache listed in the specifications. Reddit discussion of the 5100 line flags write speeds after the cache is exhausted as a concern for QLC drives. If your workload regularly involves large sustained writes, treat that as a trade-off to investigate rather than relying on the listed peak write speed of up to 6,700 MB/s.

    Q: Is the Optimus 5100 worth buying if I find it at a good price?

    A: It may be worth considering if you need 4TB of M.2 2280 storage and your system supports PCIe 4.0 x4 NVMe drives. Reddit discussions raise price as a buying consideration, but the supplied product information does not include a current price, so value cannot be judged without comparing it with similarly sized drives.