Introduction
The WD Black SN850X is one of the fastest and most powerful NVMe SSDs on the market. It is designed for gamers, content creators, and professionals who demand high-speed storage. As an upgrade to the widely popular WD Black SN850, this PCIe 4.0 SSD delivers exceptional performance with read speeds of up to 7,300 MB/s, reduced latency, and improved thermal efficiency.
As a refined upgrade to the highly acclaimed WD Black SN850, this PCIe 4.0 SSD boasts sequential read speeds of up to 7,300 MB/s, making it one of the fastest drives available. With advanced features like Gaming Mode 2.0, optional heatsink variants, and compatibility with both PCs and PlayStation 5, the SN850X sets a new benchmark for high-speed storage solutions.
Whether you are a PC gamer, console enthusiast, or workstation user, the WD Black SN850X offers an outstanding combination of speed, reliability, and advanced features.
| Feature | Details |
| Interface | PCIe 4.0 x4 NVMe 1.4 |
| Form Factor | M.2 2280 |
| Capacities | 1TB, 2TB, 4TB |
| Read Speed | Up to 7,300 MB/s |
| Write Speed | Up to 6,600 MB/s (2TB model) |
| Random Read IOPS | Up to 1,200,000 |
| Random Write IOPS | Up to 1,100,000 |
| TBW (Endurance) | 600TB (1TB), 1200TB (2TB), 2400TB (4TB) |
| Controller | WD Proprietary |
| NAND Type | 3D TLC AND |
| Heatsink Option | WD Black SN850X Available (on select models) |
| Gaming Mode 2.0 | Yes |
| Software Support | WD Dashboard |
| Compatibility | PC, PlayStation 5, Workstations |
| Thermal Management | Heatsink & Standard Variants |
| Pros | Ultra-fast speed, Gaming Mode 2.0, PS5 support |
| Cons | High price, No PCIe 5.0, Expensive 4TB model |
| Comparison | Competes with Samsung 990 Pro, optimized for gaming |
Blazing Speeds and Next-Level Performance with WD Black SN850X
The WD Black SN850X is engineered to deliver exceptional NVMe storage performance that significantly enhances load times and responsiveness for gaming, professional workloads, and daily computing. Built on the PCIe 4.0 interface and available in capacities ranging from 1TB to 4TB, this SSD achieves blistering sequential read speeds of up to 7,300 MB/s and high write performance, ensuring faster data access and smoother system operation. It is designed with advanced features like Gaming Mode 2.0 to reduce latency and optimize gameplay, while optional heatsink variants help maintain consistent performance even under heavy usage. With a robust endurance rating and a 5-year limited warranty, the SN850X stands out as a reliable choice for users seeking premium storage that keeps pace with demanding applications and large game files.
WD Black SN850X
The WD Black SN850X is a high-performance NVMe SSD designed for gamers and professionals seeking ultra-fast storage solutions. Leveraging PCIe Gen 4 technology, it offers read speeds of up to 7,300 MB/s, significantly reducing load times and enhancing system responsiveness. Available in capacities ranging from 1TB to 4TB, the SN850X provides ample storage for demanding applications, large game files, and creative workflows.
It features WD’s advanced thermal management to prevent overheating, ensuring consistent performance even under heavy workloads. Additionally, Game Mode 2.0 optimizes gaming performance, delivering a seamless experience with reduced latency and faster asset streaming. Whether used for gaming, content creation, or professional workloads, the WD Black SN850X is a top-tier SSD choice for speed and reliability.
Key Specifications of WD Black SN850X
Performance: Speed and Gaming Enhancements
The WD Black SN850X is designed for extreme performance, leveraging PCIe 4.0 technology to deliver lightning-fast speeds that surpass previous-generation SSDs.
Sequential Read/Write Speeds
- Up to 7,300 MB/s read speeds, significantly reducing load times in games and applications.
- Up to 6,600 MB/s write speeds (2TB variant), ensuring fast file transfers and data processing.
Random IOPS Performance
- The SN850X can handle up to 1.2 million random read IOPS, making it a good option for high-performance workloads.
- This translates into ultra-smooth gaming, reduced stuttering, and near-instantaneous level loading times.
Gaming Mode 2.0
- The SN850X features an updated version of WD’s Gaming Mode, further optimizing the SSD’s firmware for gaming workloads.
- This mode reduces latency, improves responsiveness, and boosts efficiency during extended gaming sessions.
Advanced Thermal Management
- High-speed SSDs tend to generate heat, and WD has addressed this by offering two variants:
- Standard SN850X (No Heatsink): Suitable for systems with existing cooling solutions.
- Heatsink Version: This version includes an integrated heatsink for better heat dissipation, making it ideal for gaming consoles like PlayStation 5 and high-performance PCs.
- The heatsink version prevents thermal throttling and ensures consistent peak performance during prolonged use.
Capacity Options: 1TB, 2TB, and 4TB
The WD Black SN850X is available in three capacities:
- 1TB (Entry-level, best for gaming and OS storage)
- 2TB (Balanced choice for gaming and high-performance tasks)
- 4TB (For extreme users needing massive storage)
Each capacity maintains similar high-speed performance, but the 2TB and 4TB models offer slightly higher endurance ratings and write speeds.
WD Black SN850X vs. Competitors
Comparison with Samsung 990 Pro
| Feature | WD Black SN850X | Samsung 990 Pro |
| Read Speed | 7,300 MB/s | 7,450 MB/s |
| Write Speed | 6,600 MB/s | 6,900 MB/s |
| Random Read IOPS | 1,200,000 | 1,400,000 |
| Random Write IOPS | 1,100,000 | 1,550,000 |
| Heatsink Option | Yes | Yes |
| Gaming Mode | Yes (Gaming Mode 2.0) | No |
The Samsung 990 Pro offers slightly higher speeds and IOPS performance, but the WD Black SN850X is better optimized for gaming with its Gaming Mode 2.0 and improved latency control.
Compatibility: PC, PS5, and More
- PC & Laptops: Works seamlessly with desktops and laptops featuring PCIe 4.0 M.2 slots.
- PlayStation 5 (PS5): Fully compatible with Sony’s PS5 storage expansion slot, meeting the minimum speed requirements (5,500 MB/s+ read speeds).
- Workstations: Ideal for video editing, 3D rendering, and professional workloads requiring ultra-fast storage.
Software & Additional Features
The WD Black SN850X has a software suite and additional features designed to enhance performance and user experience. It is compatible with the WD Black Dashboard, which monitors driving health, temperature, and available storage. The dashboard also enables Game Mode 2.0, an advanced feature that optimizes the SSD for gaming by reducing latency, improving load times, and enhancing streaming performance.
Additionally, the SN850X supports DirectStorage technology, allowing faster asset loading in compatible games. The drive also features thermal management solutions, including an optional heatsink variant, ensuring sustained high-speed performance without throttling.
The WD Black SN850X is supported by the WD Dashboard software, which allows users to:
- Monitor drive health and temperature.
- Update firmware for optimal performance.
- Enable Gaming Mode 2.0 for enhanced gaming performance.
Pros and Cons of WD Black SN850X
Pros
- Blazing fast speeds with PCIe 4.0 interface.
- Gaming Mode 2.0 for reduced latency and smoother gameplay.
- Compatible with PlayStation 5 and high-end PCs.
- The heatsink version is available for improved thermal management.
- WD Dashboard software for monitoring and optimization.
Cons
- High price compared to some competitors.
- No PCIe 5.0 support, which is the upcoming standard.
Conclusion
The WD Black SN850X is a top-tier NVMe SSD, perfect for gamers, creative professionals, and power users who demand high-speed performance and reliability. With sequential speeds up to 7,300 MB/s, an optimized gaming mode, and thermal efficiency, it competes with the best SSDs on the market.
While it comes at a premium price, its performance benefits make it a worthwhile investment for gamers and professionals seeking lightning-fast data access and smooth system responsiveness. Whether for gaming, content creation, or heavy workloads, the WD Black SN850X remains one of the best SSDs on the market.
Whether you are upgrading your PC, expanding your PS5 storage, or enhancing your workstation, the SN850X is a premium choice. While it comes at a higher price point, its high-speed performance, durability, and cutting-edge features make it a worthwhile investment.
FAQs
The WD Black SN850X is now the greatest SSD for gaming. Even though it has been on our list for a while, I still think it offers the best combination of all the features you could possibly want in a gaming SSD.
Beyond that, however, there is little difference between the Samsung 980 Pro and the WD Black SN850. They will provide the best performance on a PC or PS5, and they are quite evenly matched.
The WD Black SN850 is a great option for anyone searching for a lightning-fast SSD for their PC because of its impressive performance metrics.
Most players should find the 1TB model more than sufficient, but those with larger libraries should choose the 2TB model instead.
In the summer of 2022, Western Digital unveiled its WD_Black SN850X SSDs, which came in single-sided 1 TB and 2 TB variants and a double-sided 4 TB option.
