Western Digital WD Black SN8100 4TB

Name: Western Digital WD Black SN8100 4TB
Brand: Western Digital
SKU: 2981

Manufacturer: Western Digital

The Western Digital WD Black SN8100 4TB is a high-performance NVMe SSD designed for demanding applications and intensive workflows. With a sequential read speed of up to 14900 MB/s, this drive is built to deliver fast data transfers and enhance system responsiveness.

This SSD features a PCIe 5.0 interface for next-gen speeds, along with DRAM cache to optimize data access. It is equipped with a Silicon Motion SM2508 controller and supports NVMe 2.0 for improved performance. The drive has a total storage capacity of 4000GB, a Terabytes Written (TBW) rating of 2400, and comes with a 5-year warranty.

Pros

The drive offers a high sequential read speed of 14900 MB/s, ensuring fast data access and improved overall system performance.
With DRAM cache integration, it benefits from faster data retrieval, enhancing efficiency in high-demand tasks.
The use of PCIe 5.0 ensures the drive is equipped for next-generation bandwidth, supporting faster data transfer speeds.
The drive's 5-year warranty offers reliability and peace of mind for long-term use.
With a TBW rating of 2400, the drive is built to withstand heavy usage, making it a durable choice for high-write environments.

Cons

The SSD lacks an integrated heatsink, which could affect thermal performance during extended heavy workloads.
There is no support for RGB lighting, which might be a drawback for users seeking customizable aesthetics in their build.

Who is this for?

The Western Digital WD Black SN8100 4TB is ideal for users who require high-speed storage for demanding tasks like gaming, content creation, or data-intensive applications. With its sequential read speed of 14900 MB/s and PCIe 5.0 support, it excels in environments where fast data transfer and performance are critical. Additionally, the DRAM cache provides quicker access to frequently used data, making it suitable for professionals who need reliable and fast storage for large files and high-write scenarios.

Who is this NOT for?

This SSD may not be the best choice for users who prioritize cooling or aesthetics. Without an integrated heatsink and the lack of RGB lighting, it may not be suitable for builds where thermal management and visual customization are important. Additionally, users with light storage needs or those who do not require ultra-fast performance may find this high-end SSD overkill for everyday tasks.

Read speed:

sequential read speed	14900 MB/s
random read speed	2300000 IOPS

The Western Digital WD Black SN8100 4TB offers impressive read performance, with a sequential read speed of 14900 MB/s, enabling fast data transfers and improved system responsiveness. Additionally, the drive achieves a high random read speed of 2300000 IOPS, ensuring quick access to smaller files and maintaining performance in varied workloads.

Write speed:

sequential write speed	14000 MB/s
random write speed	2400000 IOPS

The Western Digital WD Black SN8100 4TB delivers solid write performance, featuring a sequential write speed of 14000 MB/s for fast and efficient data writes. Additionally, the drive supports a high random write speed of 2400000 IOPS, making it well-suited for handling varied and intensive write tasks.

Benchmarks:

PassMark result	90689

The Western Digital WD Black SN8100 4TB has a PassMark result of 90689, reflecting its strong overall performance in benchmark testing. This score demonstrates its capability in handling demanding tasks and intensive workloads efficiently.

General info:

type	M2
SSD cache	DRAM cache
Is an NVMe SSD	✓
NVMe version	2
internal storage	4000GB
release date	May 2025
controller	Silicon Motion SM2508
SSD storage type	TLC
PCI Express (PCIe) version	5
Controller channels	8
Terabytes Written (TBW)	2400
warranty period	5 years
Has an integrated heatsink	✕
has RGB lighting	✕

The Western Digital WD Black SN8100 4TB is an M.2 NVMe SSD with 4000GB of internal storage. It utilizes a DRAM cache for faster data access and a Silicon Motion SM2508 controller for efficient performance. The drive is built with TLC storage type and supports PCIe 5.0, offering enhanced bandwidth. With a TBW rating of 2400 and a 5-year warranty, this SSD is designed for durability and longevity.

Final Verdict

The Western Digital WD Black SN8100 4TB is a high-performance NVMe SSD designed for users who require fast and reliable storage. With a sequential read speed of 14900 MB/s and PCIe 5.0 support, it delivers excellent performance for demanding tasks like content creation, gaming, and data-heavy workflows. While it may not be the best fit for those seeking enhanced cooling or aesthetic customization, its DRAM cache and impressive endurance make it a solid choice for professionals and enthusiasts who need a robust, high-speed storage solution.