WDS400T1X0M Sandisk 4TB NVMe WD Black SN8100 PCI-E 5.0 X4 M.2 2280 Internal SSD

Sandisk 4TB WD Black M.2 2280 Internal SSD

The Sandisk WDS400T1X0M WD Black SN8100 series represents a new generation of ultra-fast PCIe 5.0 NVMe solid-state drives designed to deliver exceptional storage performance for gaming rigs, enterprise desktops, high-end workstations, and data-intensive applications. Built with advanced NAND architecture and a highly optimized controller, this 4TB SSD brings uncompromising speed, improved latency, superior endurance, and reliable thermals for demanding users who require both extreme throughput and long-term durability.

Product Details

Refined Build Characteristics

• Optimized for NVMe 2.0 host compatibility.
• Supports PCIe 5.0 x4 interface for maximum bandwidth.
• Compact 22 x 80 mm footprint ensuring wide device support.
• Durable construction built for heavy multitasking and thermal balance.

Sequential Transfer Rates

• Sequential Read: Up to 14,900 MB/s for rapid data retrieval.
• Sequential Write: Up to 14,000 MB/s ensuring fast file creation and backups.

Advanced Random I/O Performance

• Random Read: Up to 2.3M IOPS.
• Random Write: Up to 2.4M IOPS.
• Total Bytes Written (TBW): 2400 TBW for long-term durability.
• MTTF: 1.75 million hours for dependable uptime.
• Enhanced wear-leveling and thermal control firmware.
• Power-efficient architecture reducing heat output and system strain.

Versatile Hardware Compatibility

• Suitable for PCIe Gen5-enabled systems for peak performance.
• Backward compatible with supported PCIe slots (performance varies).
• Ideal for gaming setups, AI processing machines, and multimedia production systems.
• Fits any motherboard with M.2 2280 NVMe interface support.

Dimensions and Physical Profile

• Length: 3.1 in
• Width: 0.9 in
• Height: 0.1 in

Ideal Use-Case Scenarios

• High-frame-rate gaming with reduced loading and improved streaming texture efficiency.
• Professional video editing including 4K, 6K, and 8K production workflows.
• Data modeling, machine learning, and AI training workloads.
• Heavy software compilation and development environments.
• Enterprise-grade storage expansion and server-level operations.

Core Technological Enhancements

• Optimized NVMe protocol for higher queue depth efficiency.
• Adaptive thermal control mechanisms preventing overheating.
• Consistent performance under stress with reduced throttling.
• Smart firmware enhancements focused on speed, stability, and efficiency.

Sandisk 4TB WD Black SN8100 PCIe 5.0 NVMe SSD

Welcome to the pinnacle of solid-state storage technology. The Sandisk WDS400T1X0M, also known as the WD Black SN8100, represents a quantum leap in internal storage solutions, delivering unprecedented performance that harnesses the full potential of the PCI Express 5.0 interface. This 4TB NVMe M.2 SSD is engineered for enthusiasts, content creators, and professionals who demand the absolute best in speed, capacity, and reliability.

Unleashing PCIe 5.0 Performance

The transition to PCIe 5.0 technology marks a significant milestone in storage evolution, doubling the bandwidth available compared to PCIe 4.0 solutions. With theoretical transfer speeds of up to 64 GT/s (Giga transfers per second) and x4 lane configuration, the Sandisk WDS400T1X0M WD Black SN8100 is positioned to deliver read and write speeds that were previously unimaginable for consumer storage devices.

Architectural Advancements

This SSD leverages Western Digital's cutting-edge controller technology specifically designed to maximize PCIe 5.0 capabilities. The advanced multi-core controller efficiently manages data flow while minimizing latency, ensuring that the drive can sustain peak performance even during extended workloads. The integration of high-speed NAND flash memory with an optimized firmware algorithm creates a synergistic relationship that extracts every ounce of performance from the PCIe 5.0 interface.

Beyond Theoretical Limits

While PCIe 5.0 offers impressive theoretical bandwidth, the Sandisk WDS400T1X0M WD Black SN8100 translates this potential into real-world performance. Through sophisticated queueing technologies and advanced command processing, this drive minimizes protocol overhead, ensuring that more of the available bandwidth is dedicated to actual data transfer rather than administrative tasks.

4TB Capacity

With an expansive 4TB storage capacity, the Sandisk WDS400T1X0M WD Black SN8100 eliminates the need for storage compromises. This substantial capacity provides ample space for extensive game libraries, high-resolution video projects, complex 3D models, and comprehensive data sets without requiring constant file management or external storage solutions.

M.2 2280 Form Factor

The Sandisk WDS400T1X0M WD Black SN8100 adheres to the M.2 2280 specification (22mm wide, 80mm long), ensuring compatibility with a wide range of modern desktop motherboards, high-performance laptops, and compact systems. This standardized form factor simplifies installation while providing a robust physical platform for the advanced components within.

Thermal Management

PCIe 5.0 SSDs generate significant heat during operation, which can lead to thermal throttling and performance degradation if not properly managed. The Sandisk WDS400T1X0M WD Black SN8100 incorporates sophisticated thermal management technologies, including a high-performance thermal interface material and optimized component layout that efficiently dissipates heat. Many variants include an integrated heatsink or are designed to work seamlessly with motherboard heatsinks to maintain optimal operating temperatures during sustained workloads.

NVMe Technology

The Non-Volatile Memory Express (NVMe) protocol represents a fundamental shift from the legacy AHCI protocol designed for mechanical hard drives. NVMe is specifically optimized for flash storage, dramatically reucing command overhead and enabling massively parallel operations through deep queue depths and efficient interrupt handling.

WD Black Series Engineered for Enthusiasts

The Sandisk WDS400T1X0M WD Black product line represents Western Digital's premium storage solutions, specifically designed for performance-oriented users who refuse to compromise. The SN8100 continues this tradition with enhancements tailored to the most demanding computing environments, including gaming, content creation, engineering workstations, and data science applications.

Reliability

Sandisk WDS400T1X0M WD Black drives undergo rigorous testing and validation processes to ensure consistent performance and long-term reliability. The SN8100 incorporates advanced error correction technologies, wear-leveling algorithms, and bad block management to maintain data integrity throughout the drive's operational life. With a substantial terabytes written (TBW) rating, this drive is engineered to withstand years of intensive usage.

Firmware

The custom firmware developed for the Sandisk WDS400T1X0M WD Black SN8100 includes intelligent features such as adaptive thermal management, dynamic write acceleration, and background garbage collection. These optimizations work in concert to deliver consistent performance across varying workload types while extending the drive's lifespan through intelligent resource management.

Interface and Protocol

The Sandisk WDS400T1X0M WD Black SN8100 utilizes a PCIe 5.0 x4 interface with backward compatibility to PCIe 4.0 systems. While the drive will operate in PCIe 4.0 environments, full performance potential is only realized when installed in a compatible PCIe 5.0 slot. The drive implements NVMe 2.0 specification support, ensuring compatibility with current and future operating systems that support this standard.

Compatibility