X4-9050
High-density QLC NAND with 232 layers, offering 1.33Tb per die for maximum capacity applications.
Product Overview
Description
The X4-9050 is YMTC's high-density QLC 3D NAND flash memory, featuring 232 layers and Xtacking 4.0 architecture. It delivers maximum storage density for cost-sensitive, read-intensive applications.
With 4 bits per cell, the X4-9050 achieves up to 1.33Tb storage capacity per die. This enables SSDs with unprecedented capacity at competitive price points.
The X4-9050 is ideal for cold storage, content delivery networks, and read-heavy enterprise applications where capacity and cost are primary concerns.
Product Series
X
Primary Application
Cold storage systems
Key Features
- Highest density 232-layer QLC NAND
- Up to 1.33Tb per die
- Lowest cost per GB
- 1600MT/s interface speed
- Optimized for read-intensive workloads
Specifications
| Technology | Xtacking 4.0 |
|---|---|
| Layers | 232 |
| Density | 1Tb - 1.33Tb per die |
| Cell Type | QLC (4 bits/cell) |
| Interface | Toggle DDR 4.0 |
| I/O Speed | Up to 1600 MT/s |
| Endurance | 1,000+ P/E cycles |
| Package | BGA-152/272 |
Applications
Cold storage systems
Electronic system design
Content delivery networks
Communication and interface
Archival storage
Electronic system design
Read-heavy databases
Electronic system design
Big data analytics
Electronic system design
FAE Expert Insights
"The X4-9050 QLC NAND is perfect for our cloud storage customers who need massive capacity at competitive prices. In CDN and cold storage applications, the read-heavy workload profile matches QLC strengths perfectly. We're seeing customers deploy 16TB+ SSDs using this NAND. The key is understanding your workload - if reads dominate and writes are infrequent, QLC offers unbeatable value. I recommend implementing proper wear leveling and over-provisioning to maximize QLC endurance. For write-heavy applications, stick with TLC, but for the right use cases, QLC is a game-changer for cost optimization."
High-density QLC NAND ideal for cold storage and read-intensive applications
— Sarah Zhang, BeiLuo
Frequently Asked Questions
Is QLC reliable enough for enterprise use?
Yes, QLC is reliable for appropriate enterprise applications: (1) Endurance - 1,000+ P/E cycles sufficient for read-heavy workloads; (2) Error correction - modern LDPC ECC handles QLC error rates effectively; (3) Data retention - 10-year specification for fresh data; (4) Field proven - deployed in cloud storage and CDNs. Best practices: implement strong ECC (80+ bits/1KB), use adequate over-provisioning (15-20%), monitor wear levels, and plan for workload-appropriate endurance. QLC is NOT recommended for write-intensive databases or boot drives.
QLC is reliable for read-heavy enterprise applications with proper ECC and monitoring.