XP208H031T92P222T0410 Phison Pascari X200P 1.92TB SSD

Product Overview

The Phison XP208H031T92P222T0410 Pascari X200P 1.92TB U.2 NVMe SSD is a next-generation enterprise solid state drive engineered for demanding server and data center environments. Powered by PCI-Express Gen5 x4 technology, this high-capacity NVMe drive delivers exceptional speed, endurance, and reliability for mixed workloads.

General Specifications

Brand and Model Details

• Manufacturer: Phison
• Series: Pascari X200P
• Model / Part Number: XP208H031T92P222T0410

Storage Capacity and Form Factor

• Total Capacity: 1.92TB (1920GB)
• Form Factor: U.2 15mm
• Designed For: Enterprise servers and data center storage

Interface and Protocol

• Interface: PCIe Gen5 x4
• Protocol: NVMe 2.0 over PCI-Express Gen5
• Port Configuration: Single port connectivity

Performance Capabilities

Workload Optimization

This enterprise NVMe SSD is optimized for mixed read and write workloads, making it ideal for virtualization, databases, cloud computing, and high-performance applications.

Endurance and Write Performance

• Drive Writes Per Day (DWPD): Enterprise-grade endurance
• Target Usage: Continuous, high-intensity workloads
• Performance Focus: Low latency and consistent throughput

Reliability and Data Protection

Enterprise-Class Reliability

Built with data integrity and uptime in mind, the Phison Pascari X200P SSD ensures stable operation in mission-critical infrastructures.

Advanced Protection Features

• Endurance Rating: Enterprise-class reliability
• Data Protection: End-to-end data path protection
• Power Loss Protection: Supported for enhanced data safety

Security Technology

• Security Standard: OPAL compliant encryption
• Benefit: Protects sensitive data against unauthorized access

Ideal Use Cases

• High-performance servers
• Enterprise data centers
• Cloud infrastructure and virtualization
• Database-driven and mission-critical applications

Decoding the U.2 Form Factor: Enterprise-Grade Endurance

The choice of the U.2 (formerly SFF-8639) 15mm form factor is a deliberate statement of enterprise intent. Unlike consumer-oriented M.2 drives, the U.2 specification is built for sustained performance in 24/7 operating environments.

Thermal Management & Power Delivery

The 15mm z-height allows for a significantly larger surface area and volume compared to thinner drives. This enables the integration of sophisticated passive heatsinks or compatibility with active cooling solutions in server bays. Efficient heat dissipation is paramount for the Phison XP208H031T92P222T0410 Pascari X200P, as PCIe Gen5 components generate more heat. Maintaining optimal thermal conditions prevents throttling, ensuring consistent peak performance during extended sequential writes or random IOPS marathons. Furthermore, the U.2 connector provides robust power delivery lanes separate from the data lanes, supporting the higher power envelopes sometimes required for Gen5 operation, ensuring stable voltage under intense load.

Hot-Swappable Serviceability

A cornerstone of data center design is serviceability without downtime. The U.2 form factor is designed for hot-swap capability in dedicated bays. A failed or upgraded Pascari X200P drive can be safely removed and replaced without powering down the entire server or storage array. This feature is non-negotiable for maintaining the "five-nines" (99.999%) of uptime required by mission-critical enterprise and cloud infrastructure.

The PCI-Express Gen5 x4 Interface: Unleashing Unprecedented Bandwidth

The heart of this category's performance leap is its adherence to the PCI-Express 5.0 specification, doubling the per-lane bandwidth of the previous Gen4 standard.

Raw Speed and Theoretical Throughput

With a PCIe Gen5 x4 interface, the Phison Pascari X200P achieves theoretical bidirectional bandwidth of approximately 16 Gigatransfers per second (GT/s) per lane. This translates to a staggering ceiling of nearly 16 GB/s of sequential read and write throughput in ideal conditions. For the 1.92TB capacity model, this means the potential to read the equivalent of its entire capacity in just over two minutes under pure sequential load—a feat unimaginable with prior generations. This bandwidth directly accelerates data ingestion, video rendering timelines, scientific simulation checkpointing, and the population of vast in-memory databases.

Latency Reduction and CPU Efficiency

Beyond raw throughput, the Gen5 interface reduces latency at the physical layer. Coupled with Phison's optimized controller and firmware, this results in significantly lower queue depths and access times. Reduced latency means applications spend less time waiting for data and more time processing, improving overall transaction completion rates. Furthermore, modern PCIe Gen5 implementations often include features like L1 sub-states that improve power efficiency at the system level, a crucial consideration for dense server deployments where every watt counts.

NVMe 2.0 Protocol: Advanced Features for Modern Workloads

The Phison XP208H031T92P222T0410 is built upon the NVMe 2.0 protocol suite, which introduces a modular architecture and commands specifically tailored for contemporary solid-state storage.

Zoned Namespaces (ZNS) and Key-Value Commands

Two revolutionary features defined in NVMe 2.0 are Zoned Namespaces (ZNS) and Key-Value (KV) commands. ZNS SSDs allow the host software to align data placement with the intrinsic properties of NAND flash memory (e.g., erase blocks), dramatically reducing write amplification and over-provisioning needs. This can extend drive lifespan and provide more predictable latency. While not all drives implement these optional commands, their inclusion in the protocol highlights the enterprise trajectory that drives like the Pascari X200P are built for—optimizing for hyperscale and cloud-native applications.

Understanding Write Amplification

Write amplification occurs when the SSD controller writes more data to the physical NAND than the host requested. This inefficiency stems from garbage collection and wear-leveling processes. Technologies like ZNS, supported by advanced controllers like Phison's in the XP208H031T92P222T0410, allow the host to manage data placement, minimizing this effect and unlocking higher effective endurance.

Phison's XP208H031T92P222T0410 Controller: Architectural Deep Dive

The alphanumeric identifier "XP208H031T92P222T0410" is not arbitrary; it signifies Phison's custom, in-house designed controller and firmware platform, a masterpiece of silicon engineering.

7nm Process Technology and Co-Processors

Built on an advanced 7nm manufacturing process, this controller integrates multiple specialized co-processors. It features dedicated engines for AES-XTS 256-bit encryption (ensuring security with minimal overhead), RAID ECC and LDPC error correction for extreme data integrity, and a sophisticated flash translation layer (FTL) manager. This multi-core, purpose-built architecture offloads tasks from the main CPU cores, reducing host processor utilization and allowing the drive to handle immense IOPS queues with deterministic latency.

The Role of LDPC Error Correction

Low-Density Parity-Check (LDPC) code is an advanced error-correcting code essential for 3D TLC and QLC NAND. As NAND cells shrink and store more bits, they become more susceptible to voltage drift and read errors. The powerful LDPC engine in the Phison controller proactively detects and corrects these errors, ensuring data integrity over the drive's entire lifespan and enabling the use of higher-density, cost-effective NAND flash without compromising reliability.

Firmware Optimizations for Mixed Workloads

The firmware on the Pascari X200P is tuned for mixed enterprise workloads. It intelligently manages the balance between read-centric tasks (like database querying) and write-heavy tasks (like logging or data acquisition). Advanced algorithms for garbage collection, wear leveling, and bad block management operate in the background with minimal performance impact, ensuring consistent Quality of Service (QoS) that is critical for multi-tenant cloud environments and virtualized infrastructures.

The 1.92TB Capacity Point: Strategic Balance for Tier-0

The 1.92TB capacity is a strategic offering in the enterprise SSD landscape, representing a sweet spot for performance, endurance, and cost.

Over-Provisioning and Write Endurance

A nominal 1.92TB drive typically has a physical NAND capacity greater than 2TB. This difference is the over-provisioning (OP) space—reserved for the controller to manage garbage collection, wear leveling, and bad block replacement. Higher over-provisioning directly correlates to higher write endurance (often measured in Drive Writes Per Day or DWPD) and sustained performance. For the Phison Pascari X200P, this 1.92TB model is engineered to deliver a high DWPD rating, suitable for write-intensive applications such as financial transaction processing, AI/ML training data caching, and high-frequency logging.

Use-Case Alignment

This capacity is ideal for housing high-performance databases, virtual machine boot volumes, and demanding application working sets. It provides ample space for the operating system, applications, and active datasets to reside entirely on the fastest available storage tier, eliminating bottlenecks. In all-flash arrays (AFAs), multiple 1.92TB U.2 drives can be pooled to create a high-performance storage pool with excellent granularity for RAID configurations, balancing capacity, redundancy, and speed.

Target Applications and Workloads

The performance characteristics of the Phison XP208H031T92P222T0410 Pascari X200P make it indispensable for specific high-stakes computing domains.

Artificial Intelligence & Machine Learning

AI/ML training involves reading massive, terabyte-scale datasets for thousands of epochs. The Gen5 bandwidth drastically reduces dataset load times, keeping GPU clusters fed and maximizing accelerator utilization. Furthermore, checkpointing—saving the state of a model during training—is a write-intensive operation that benefits from the drive's high sequential write speeds and endurance.

Quantifying IOPS for Database Performance

For Online Transaction Processing (OLTP) databases like Oracle or SQL Server, random 4K or 8K read/write IOPS are the key metric. The Pascari X200P, with its advanced controller and Gen5 interface, is engineered to deliver several million IOPS, allowing it to handle a staggering number of concurrent transactions and user queries, thereby increasing the density of virtual database instances per server.

High-Performance Computing & Simulation

Computational fluid dynamics, genomic sequencing, and climate modeling generate enormous temporary files and require rapid access to reference libraries. The drive's bandwidth accelerates read phases, while its sustained write performance handles the output of calculation stages, reducing the total time to solution for complex simulations.