WD_Black SN7100 500GB NVMe SSD - Gen4 PCIe, M.2 2280, Up to 6,800 MB/s Read Speed, Next Gen TLC 3D NAND, for Laptops, Handheld Gaming Devices - WDS500G4X0E
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AI Verdict
This 500GB NVMe PCIe Gen4 SSD delivers 6800 MB/s read and 5800 MB/s write, designed for power-efficient upgrades in laptops and handheld gaming devices.
This 500GB SN7100 is a specific fit for users upgrading laptops or handheld gaming devices that support PCIe Gen4 M.2 2280 drives and prioritize power efficiency. Its 6800 MB/s read and 5800 MB/s write speeds are fast for its class, but the 500GB capacity is a limiting factor for extensive game libraries.
If 500GB isn't enough, look for the 1TB or 2TB versions of the SN7100 for more space and even faster speeds, or consider other Gen4 NVMe SSDs with higher capacities.
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Pros
- Achieves sequential read speeds up to 6800 MB/s, making game loading and large file transfers fast.
- Offers sequential write speeds up to 5800 MB/s for quick data saving.
- Engineered for improved power efficiency, consuming up to 100% less power than the previous generation, which benefits laptop and handheld gaming device battery life.
- Features a 300TBW endurance rating, providing durability for frequent data writes over its lifespan.
- Includes the WD_BLACK Dashboard software for Windows users to monitor drive health and optimize performance.
Cons
- The 500GB capacity might quickly fill up with modern game titles and operating systems.
- Lacks a DRAM cache, which can sometimes impact sustained write performance, especially with smaller files.
- Some users report poor documentation, making installation potentially confusing for less experienced users.
- Achieving advertised speeds requires a compatible PCIe Gen4 x4 M.2 slot, as some motherboards may limit performance to PCIe Gen3 or x2 lanes.
Dimension Scores
The 500GB model offers 6800 MB/s read and 5800 MB/s write, which is fast for a Gen4 drive, though not top-tier compared to higher-capacity models or premium Gen4 SSDs.
It has a 300TBW endurance rating and a 5-year limited warranty, indicating a solid expectation for longevity.
500GB is a common entry-level capacity, but it fills up quickly with modern games and applications, making it average for today's storage needs.
It's an M.2 2280 NVMe PCIe Gen4 drive, compatible with many laptops and handhelds, but requires a PCIe Gen4 x4 slot to reach its advertised speeds, and some motherboards have limitations.
Best For
- Upgrading storage in a PCIe Gen4-compatible gaming laptop for faster game loads.
- Expanding storage in handheld gaming devices that support M.2 2280 NVMe SSDs.
- Users prioritizing power efficiency for extended battery life in portable gaming setups.
Not Recommended For
- Budget builds with only PCIe Gen3 M.2 slots, as you won't fully utilize the Gen4 speeds.
- Users needing extensive storage for a large game library or professional video editing, due to the 500GB capacity.
- Users who need a heatsink included, as this model is sold without one.
Watch Out For
- The listed 6800 MB/s read and 5800 MB/s write speeds are specific to the 500GB model; higher capacities (1-2TB) claim up to 7250 MB/s read and 6900 MB/s write, which can be misleading if not checked carefully.
- Some users experienced only 1800 MB/s speeds because their motherboard's M.2 slot was limited to PCIe 3.0 x2, not the required PCIe 4.0 x4.
- Documentation for installation is described as poor by at least one user.
Full Specifications
| RAM | 500 GB |
| ASIN | B0DN7JK8T4 |
| Brand | Sandisk |
| Color | Black |
| Series | WD_BLACK SN7100 NVMe SSD |
| Batteries | 1 AAAA batteries required. |
| Hard Drive | 500 GB Solid State Drive |
| Item Weight | 0.192 ounces |
| Manufacturer | Sandisk Technologies, Inc. |
| Special Feature | PCIe Gen4 NVMe |
| Flash Memory Size | 500 GB |
| Hardware Platform | x86_64 |
| Installation Type | Internal Hard Drive |
| Item model number | WDS500G4X0E-00CJA0 |
| Compatible Devices | Desktop, Laptop |
| Product Dimensions | 3.14 x 0.86 x 0.04 inches |
| Hard Disk Interface | NVMe |
| Hard Drive Interface | NVMe |
| Hard Disk Description | Solid State Drive |
| Hard Disk Form Factor | 22 Millimeters |
| Item Dimensions LxWxH | 3.14 x 0.86 x 0.04 inches |
| Connectivity Technology | PCIe Gen4 NVMe |
| Digital Storage Capacity | 500 GB |
What Buyers Say
The SN7100 is often seen as a power-efficient option for mobile devices, with users noting its ability to run cool. There's some confusion around advertised speeds, as the higher numbers are for larger capacities, and actual performance depends heavily on the host system's PCIe slot configuration. The lack of DRAM is a point of discussion, yet it still manages to deliver competitive 4K random read performance.
“Man, I bought this for my gaming laptop, and it's fast, but I wish I got the 1TB version for more space, 500GB just disappears with a few games. And seriously, the instructions were basically non-existent.”
Common Praise
- Runs cool and efficiently, making it suitable for laptops and handheld gaming devices.
- Speeds are generally close to advertised when installed in a compatible PCIe Gen4 x4 slot.
- Provides a noticeable performance boost over older generation SSDs.
- Excels at 4K QD1 random reads despite being a DRAM-less drive.
Common Complaints
- The documentation for installation is not very helpful.
- Users sometimes experience much lower speeds (e.g., 1800 MB/s) due to motherboard M.2 slot limitations (PCIe 3.0 x2).
- The advertised 'up to 7250MB/s' speeds are for 1-2TB models, not the 500GB version, leading to potential disappointment.
Ownership Tips
- The drive's power efficiency is genuinely noticeable in handhelds, extending gaming sessions slightly.
- You absolutely need to check your motherboard's M.2 slot specs; don't just assume it's full PCIe Gen4 x4.
- The WD_BLACK Dashboard is useful for monitoring, but it's Windows-only, so Mac or Linux users are out of luck.
- Even without DRAM, it handles daily tasks and game loading without feeling sluggish, but heavy, sustained file transfers might show its limits.
Frequently Asked Questions
What are the actual read and write speeds for the 500GB model?
The 500GB WD_BLACK SN7100 has sequential read speeds up to 6800 MB/s and sequential write speeds up to 5800 MB/s.
Is this SSD compatible with my PlayStation 5?
While it's an M.2 NVMe PCIe Gen4 SSD, the PS5 typically requires a heatsink for sustained performance, which this drive does not include. You would need to purchase and install a separate heatsink.
Does this drive have DRAM?
No, the WD_BLACK SN7100 is a DRAM-less drive.
Will this work in a PCIe Gen3 slot?
Yes, it is backward compatible with PCIe 3.0, but its performance will be limited to PCIe 3.0 speeds, which are significantly lower than its Gen4 capabilities.
Is the WD_BLACK Dashboard software available for Mac?
No, the WD_BLACK Dashboard software is only available for Windows operating systems.
Buying Guide
When you're looking at an NVMe SSD like this, you need to think about more than just the big speed numbers. Your computer's motherboard needs to support the right PCIe generation (Gen4 here) and have enough lanes (x4) to actually hit those speeds. If your system is older, you might be paying for performance you can't even use. Also, consider if you need a heatsink, especially for sustained heavy use or in a PS5, as this one doesn't come with one.
PCIe Gen4 interface
This is how the SSD talks to your computer. Gen4 is faster than Gen3, allowing for much quicker data transfer, like a wider highway for information. If your system only supports Gen3, this drive will still work, but it'll be limited to Gen3 speeds.
M.2 2280 form factor
This refers to the physical size and shape of the SSD (22mm wide, 80mm long). It's the most common size for NVMe drives, but always double-check your device's M.2 slot to ensure it fits.
Sequential Read/Write Speed
These numbers tell you how fast the drive can read and write large, continuous files. Higher numbers mean faster game loading, quicker boot times, and less waiting when moving big files around. For this 500GB model, it's 6800 MB/s read and 5800 MB/s write.
Alternatives
If you need more storage, look for NVMe PCIe Gen4 SSDs with 1TB or 2TB capacities. If your system only supports PCIe Gen3, a more affordable Gen3 NVMe SSD might offer better value since you won't benefit from Gen4 speeds.
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