The WD_BLACK SN8100 is an 8TB PCIe 5.0 NVMe M.2 2280 SSD with a heatsink, built for gamers and content creators who need high storage capacity and fast transfers on a compatible PCIe 5.0 system.
Recommended For
- PC gamers with a compatible M.2 slot who keep a large library installed and want 8TB on one drive; an 8TB SN8100 review tested it with 100 games installed.
- Video editors and other creators who regularly move or write large files and want high-throughput storage with a heatsink for sustained heavy workloads.
- Workstation users running storage-intensive tasks such as large project transfers or sustained data workloads, especially on a newer PCIe 5.0 system.
- Users who need a high-capacity internal M.2 drive and prefer an integrated heatsink rather than sourcing a separate one; this version also has customizable RGB lighting.
Real-World Use Scenarios
- Keeping a large PC game library installed: the 8TB capacity can let a player keep many games ready to launch instead of freeing space or reinstalling older titles; one 8TB review reported having 100 games installed with room remaining.
- Loading games and managing installs on a Gen 5-capable gaming PC: benchmark testing found strong game-loading performance, so storage-related waits may be shorter, though the drive does not control every part of a game's load time.
- Working with large video projects, including high-resolution footage: creators can keep sizable media files and active projects on fast local storage, with the drive positioned for demanding content-creation workflows.
- Loading AI models stored locally: the SN8100 is positioned for AI model workloads, and its fast storage can help move model files into a system; actual processing speed still depends on the rest of the computer.
- Copying or writing large files during demanding workloads: the included heatsink is intended to help manage drive temperatures during sustained use, while independent testing found that real-world transfer results can vary by workload and test setup.
Spec Summary
| Attribute | Value |
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| Best For | Gaming, professional content creation, and AI applications on a compatible desktop or laptop with an M.2 slot |
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| Capacity | 8TB solid-state storage |
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| Interface And Form Factor | PCIe 5.0 x4 NVMe interface in an M.2 2280 form factor |
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| Read Write Performance | Sequential speeds up to 14,900 MB/s read and 13,200 MB/s write; 4KB random performance up to 2,200,000 IOPS read and 2,400,000 IOPS write |
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| Endurance And Reliability | Rated for up to 4,800 TBW with a 1.75-million-hour MTTF |
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| Cooling And Operating Conditions | Integrated heatsink; operates from 32°F to 185°F (0°C to 85°C) and stores from -40°F to 185°F (-40°C to 85°C); rated for up to 1,500G shock and specified operating and non-operating vibration |
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| Power Consumption | 5mW idle; average active power is 7.1W reading and 7.3W writing |
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| Physical Specifications | 80 × 25 × 11.25mm; weighs 31.2g |
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| Model Identifiers | Western Digital WD_BLACK SN8100; part number WDS800T1XHM |
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Reference Q&A
Q: WD_BLACK SN8100 8TB or Samsung 9100 Pro 8TB—which should I buy?
A: Choose the SN8100 if you want an 8TB PCIe 5.0 drive with an integrated heatsink and strong performance for large file transfers and other storage-heavy work. The 9100 Pro is a close alternative; compare current pricing and cooling fit for your build. Independent tests of smaller SN8100 capacities show strong PCIe 5.0 performance, but results can vary by workload, and they should not be treated as a direct 8TB-versus-8TB benchmark.
Q: Is the SN8100 8TB worth choosing over the WD_BLACK SN850X 8TB?
A: Choose the SN8100 for a PCIe 5.0 system and workloads that benefit from higher sequential transfer speeds, such as moving large media files. Choose the SN850X if you want 8TB of fast PCIe 4.0 storage and do not need Gen 5 throughput; its rated sequential speeds are up to 7,200 MB/s read and 6,600 MB/s write, versus the SN8100 8TB listing’s up to 14,900 MB/s read and 13,200 MB/s write. For gaming alone, reviews indicate that a Gen 5 drive’s higher headline speeds do not necessarily translate into noticeably faster game loading.
Q: Should I buy the SN8100 8TB for gaming, or get a cheaper PCIe 4.0 SSD?
A: For a gaming-focused build, a lower-cost PCIe 4.0 SSD such as the SN850X can be the more practical choice if you do not need 8TB or frequent high-speed transfers of large files. Choose the SN8100 when you want 8TB plus PCIe 5.0 bandwidth for mixed gaming and storage-heavy creation work. Testing and community comparisons suggest that game-load differences between high-end Gen 4 and Gen 5 drives may be small, so the upgrade is most useful when your other workloads can take advantage of the extra throughput.
Q: Do I need a separate heatsink for the WD_BLACK SN8100 8TB heatsink model?
A: The listed model includes WD_BLACK’s integrated heatsink, so it is intended to provide drive cooling without requiring a separate SSD heatsink. Before buying, check clearance around the M.2 slot: the drive’s heatsink may conflict with a motherboard cover or nearby components. If your system requires its own M.2 heatsink, compare the physical fit and manufacturer guidance before installation.
Q: Will this SSD work with my motherboard?
A: It requires an M.2 2280 NVMe slot. It is backward-compatible with PCIe Gen 4 and Gen 3 slots, but it reaches its advertised top speeds only in a compatible PCIe Gen 5 x4 slot. Check your motherboard’s specifications and confirm there is room for the drive’s built-in heatsink.
Q: Will it reach 14,900 MB/s in my computer?
A: That is the advertised maximum sequential read speed, not a guaranteed speed in every system. The drive needs a compatible PCIe Gen 5 x4 M.2 slot to reach its top performance; a slower supported slot will limit speed.
Q: Will the built-in heatsink fit in my system?
A: The drive is 80 mm long, 25 mm wide, and 11.25 mm high with its heatsink. Check your system’s M.2 clearance and whether an existing motherboard heatsink or cover must be removed; fit depends on the host device.
Q: Who is an 8TB PCIe Gen 5 SSD like this suitable for?
A: It suits desktop users who need substantial fast storage for large game libraries, creative projects, or other data-heavy workloads. Its 8TB capacity and 4,800 TBW endurance are key decision points; for everyday storage needs, that capacity and Gen 5 performance may be more than necessary.
Q: Is the WD_BLACK SN8100 worth it for gaming, or is a Gen 4 SSD enough?
A: Community discussions question the practical value of Gen 5 for ordinary gaming and desktop responsiveness. The SN8100 is a better fit if you also need 8TB of capacity or regularly move large files; for gaming alone, a Gen 4 drive may be sufficient.
Q: Will the SN8100’s heatsink fit in my system?
A: Check the space around the M.2 slot before buying. The supplied heatsink is 11.25 mm high, and users report that the factory heatsink does not fit some laptop bays. If clearance is tight, consider a bare-drive version and the system’s own heatsink, if supported.
Q: Does the SN8100’s heatsink keep the drive cool under gaming or heavy use?
A: The heatsink is passive, so results depend partly on case airflow. One user reported about 45°C at idle and 70°C while gaming in a specific system; that single report does not establish typical temperatures. Check temperatures in your own build and ensure the M.2 area has airflow.
Q: Who is most likely to benefit from the SN8100’s Gen 5 speed?
A: It is best suited to users who need high capacity alongside fast storage for demanding file-heavy work, such as video editing or frequent large-file transfers. Its Gen 5 throughput is less likely to matter for everyday browsing or gaming alone.
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