KCM6XVUL12T8 Kioxia TLC PCI-E 4.0 x4 Mixed Use 12.8TB NVMe SSD
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Product Overview KIOXIA KCM6XVUL12T8 12.8TB NVMe
The KIOXIA Cm6 Series KCM6XVUL12T8 is a high-capacity, enterprise-grade internal solid state drive engineered for data centers, cloud platforms and high-performance storage arrays. Built on PCIe 4.0 ×4 NVMe architecture and modern TLC BiCS Flash, this 12.8 TB 2.5" SSD delivers a balanced blend of throughput, IOPS and endurance for read-intensive workloads and mixed enterprise applications. The drive's compact 2.5" form factor and industry-standard NVMe interface make it simple to integrate into servers, storage enclosures and hyper-converged infrastructure.
Key specifications at a glance
- Model: KIOXIA Cm6 Series — KCM6XVUL12T8
- Capacity: 12.8 TB usable storage
- Form factor: 2.5" (15mm height)
- Interface: PCI Express 4.0 ×4 (NVMe)
- Flash type: BiCS Flash Triple-Level Cell (TLC)
- Dimensions (W×D×H): 69.85 × 100.45 × 15 mm
- Weight: ~130 g
Extended technical details
Physical and interface
- Standard 2.5-inch drive profile, suitable for enterprise sleds and hot-swap trays
- PCIe 4.0 x4 interface for twice the peak bandwidth of PCIe 3.0 designs
- NVMe protocol with low latency command set optimized for server-class workloads
Memory and endurance
- BiCS TLC flash memory for cost-effective high-density storage
- Designed for read-intensive applications; endurance measured in DWPD (Drive Writes Per Day): 3 DWPD
- MTTF (Mean Time To Failure): 2,500,000 hours — engineered for continuous operation
Performance characteristics
The KIOXIA Cm6 12.8 TB drive is optimized to accelerate throughput and random I/O for demanding data workloads:
- Sequential read (128 KiB): up to 6,900 MB/s sustained
- Sequential write (128 KiB): up to 4,000 MB/s sustained
- Random read (4 KiB): up to 1,400 K IOPS sustained
- Random write (4 KiB): up to 325 K IOPS sustained
Performance benefits
- High sequential throughput accelerates large-file transfers and streaming workloads.
- Elevated random IOPS improve database query latency and virtual machine responsiveness.
- PCIe 4.0 bandwidth reduces bottlenecks in modern server platforms.
Reliability, data protection and manageability
Reliability features
- Robust MTTF rating (2.5M hours) for continuous 24/7 deployment.
- Enterprise-grade wear-leveling and background management to extend usable life.
- Power-loss protection mechanisms and firmware safeguards (implementation-dependent).
Data integrity and firmware
- End-to-end data protection and CRC checks (drive-level features)
- Field-upgradable firmware for bug fixes, performance tuning and compatibility updates
- SMART and NVMe telemetry support for proactive health monitoring
Deployment considerations
- Match PCIe 4.0 host slots to fully utilize peak bandwidth — falls back to PCIe 3.0 if necessary
- Verify chassis drive height (15 mm) compatibility prior to installation
- Plan for adequate cooling — higher throughput may increase thermal output
Advantages compared to alternatives
- Capacity-per-slot: 12.8 TB helps lower rack-level storage costs by maximizing density.
- Cost-efficiency: TLC-based BiCS Flash provides a favorable balance of price and performance versus higher-cost QLC or SLC options.
- Future-proofing: PCIe 4.0 readiness supports next-generation server architectures.
Kioxia KCM6XVUL12T8 CM6-V Series 12.8TB PCIe 4.0 NVMe SSD
The Kioxia KCM6XVUL12T8 CM6-V Series 12.8TB TLC PCIe 4.0 x4 NVMe Mixed Use U.3 2.5-inch Internal SSD is designed for data-intensive enterprise environments that demand high performance, consistent throughput, and dependable endurance. Built on advanced TLC NAND technology and utilizing the PCI Express 4.0 interface, this SSD offers robust capabilities that support business-critical workloads such as cloud computing, high-performance databases, and virtualization. With its large 12.8TB storage capacity, it provides organizations with both scalability and efficiency.
Performance Advantages of the Kioxia CM6-V Series
Enterprise applications require not just capacity but also sustained speed. The CM6-V Series SSD from Kioxia delivers outstanding IOPS performance, low latency, and consistent throughput, making it ideal for a broad range of mixed-use workloads.
PCIe 4.0 x4 Interface Benefits
The adoption of the PCIe 4.0 x4 interface ensures double the bandwidth compared to PCIe 3.0, allowing the SSD to achieve faster sequential read and write speeds. This translates into improved data accessibility, reduced application response time, and greater support for parallel workloads.
Mixed Use Workload Optimization
The CM6-V Series is classified as a mixed-use SSD, meaning it is optimized to balance both read- and write-intensive tasks. This makes it particularly suitable for:
Virtualized environments
Transactional databases
High-performance computing (HPC)
Cloud infrastructure services
Content delivery networks
Key Features of Kioxia KCM6XVUL12T8
This SSD incorporates multiple advanced technologies that make it stand out in the enterprise storage landscape.
TLC NAND Flash Memory
Triple-Level Cell (TLC) NAND flash provides an excellent balance between endurance, performance, and cost-effectiveness. By leveraging TLC technology, the Kioxia CM6-V ensures reliability and efficiency while delivering a massive 12.8TB of storage space.
U.3 2.5-Inch Form Factor
The U.3 2.5-inch design ensures compatibility with modern storage infrastructure. This form factor allows organizations to seamlessly integrate the SSD into existing servers and storage arrays without requiring major hardware modifications.
Enhanced Endurance
Enterprise workloads can be demanding, with continuous read/write operations. The CM6-V Series is engineered with endurance ratings suitable for mixed-use cases, providing long-lasting performance and reducing total cost of ownership.
Enterprise Reliability and Data Protection
Data integrity and availability are crucial in enterprise IT environments. The Kioxia CM6-V Series SSD integrates advanced reliability and protection features.
Power Loss Protection
Unexpected power interruptions can result in data corruption. This SSD includes power-loss protection to safeguard in-flight data, ensuring it is properly written to the NAND before shutdown.
End-to-End Data Path Protection
The CM6-V Series ensures data integrity with end-to-end data path protection. Errors are detected and corrected across all transfer stages, safeguarding critical information from corruption or loss.
Database Management
For transactional and analytical databases, the SSD provides faster query response, optimized indexing, and reduced downtime during high transaction loads.
Content Delivery Networks
To deliver digital media, streaming content, and application updates efficiently, enterprises rely on SSDs like the CM6-V for quick data delivery across distributed networks.
Comparison with Other Enterprise SSDs
The Kioxia CM6-V Series provides competitive advantages over traditional storage solutions and other SSDs in its category.
Versus SATA SSDs
Compared to enterprise SATA SSDs, the PCIe 4.0 NVMe-based CM6-V Series offers significantly higher throughput and lower latency, making it better suited for mission-critical workloads.
Versus Previous PCIe 3.0 Models
The PCIe 4.0 interface effectively doubles bandwidth, enabling faster transfer speeds and improving performance consistency under heavy load compared to PCIe 3.0 SSDs.
Versus Write-Intensive Drives
While write-intensive drives are designed for maximum endurance, they often have higher costs. The CM6-V mixed-use design balances performance, endurance, and cost efficiency, making it more versatile.
Scalability and Infrastructure Integration
Enterprises often need scalable storage solutions that fit seamlessly into existing infrastructure. The Kioxia CM6-V SSD delivers on this front with U.3 compatibility and NVMe technology, ensuring adaptability for modern data centers.
U.3 Backward Compatibility
The U.3 interface offers backward compatibility with U.2 systems, allowing for gradual upgrades and flexible deployments.
Energy Efficiency
The SSD is designed to minimize power consumption while maintaining high throughput, making it an environmentally sustainable choice for data centers that aim to reduce their carbon footprint.
Benefits of Deploying Kioxia CM6-V 12.8TB SSDs
Enterprises adopting the Kioxia KCM6XVUL12T8 SSD can expect the following benefits:
Higher storage density within limited rack space
Consistent high-speed performance for critical workloads
Lower latency compared to traditional drives
Improved reliability with advanced data protection
Flexibility for a wide range of mixed-use enterprise applications
Future-Proofing Enterprise Storage
As organizations continue to adopt AI, big data analytics, and cloud-based infrastructures, the need for high-capacity and high-performance storage will only increase. The Kioxia CM6-V Series SSDs provide the scalability and resilience necessary to support next-generation IT architectures.
Support for Evolving Data Workloads
From real-time analytics to multi-tenant cloud platforms, this SSD ensures enterprises remain competitive by delivering storage performance that aligns with future growth.
Long-Term Investment Value
By integrating the CM6-V SSD into storage infrastructures, organizations secure long-term value through reduced downtime, lower maintenance costs, and extended drive longevity.
Proven Expertise
Kioxia has pioneered flash memory innovations, and its enterprise SSDs are trusted by data centers, cloud providers, and global enterprises for mission-critical operations.
Wide Product Portfolio
From read-intensive to mixed-use and write-intensive drives, Kioxia provides a comprehensive product line that allows businesses to select storage solutions tailored to their workload requirements.
Commitment to Reliability
Every Kioxia SSD undergoes rigorous testing, ensuring compliance with strict enterprise reliability standards and delivering peace of mind for IT decision-makers.
