Type | Solid State Drive (SSD) |
Form Factor | 2.5-inch U.2 |
Storage Capacity | 15.36 TB |
Model Number | 4XB7A13631 |
Product Family | P5520 Series |
Interface Protocol | NVMe 1.4 |
Use Case | Enterprise Storage / Data Center |
Hot-Swappable | Yes |
Read Technology | 3D TLC NAND |
Drive Type | Internal SSD |
Weight | Up to 0.16 kg (0.35 lbs) |
MTBF (Mean Time Between Failures) | 2.5 million hours |
Power Consumption (Active) | Up to 16.5 Watts |
Power Consumption (Idle) | 5 Watts |
Lenovo 2.5" U.2 P5520 15.36TB NVMe SSD (4XB7A13631)
Key Benefits

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- High-capacity 15.36TB SSD reduces physical drive count in storage configurations.
- NVMe interface ensures faster data access and superior performance over SATA alternatives.
- Compact U.2 form factor fits into existing 2.5" drive bays, supporting flexible integration.
Product Overview
The Lenovo 2.5" U.2 P5520 15.36TB NVMe SSD (Model: 4XB7A13631) offers high-capacity storage with enterprise-grade performance. Its 15.36TB capacity supports data-intensive environments such as virtualization and analytics. Leveraging a U.2 interface and the NVMe protocol, it delivers low-latency, high-throughput performance. Ideal for server and storage arrays, this SSD enables significant storage consolidation in compact deployments.
Specifications
Product Overview
Physical & Environmental
Dimensions (W x D x H) | 69.85 mm x 100.45 mm x 15 mm |
Operating Temperature Range | 0°C to 70°C |
Non-Operating Temperature Range | -40°C to 85°C |
Operating Vibration | 2.17 GRMS (5–700 Hz) |
Non-Operating Vibration | 3.13 GRMS (5–800 Hz) |
Shock (Operating) | 1000 G @ 0.5 ms |
Humidity (Operating) | 5% to 95%, non-condensing |
Humidity (Non-Operating) | 0% to 100%, non-condensing |
Advanced Security Features
Encryption Support | AES 256-bit Self-Encrypting Drive (SED) |
Security Protocol | TCG Enterprise |
Secure Erase | Yes |
Power Loss Protection | Yes |
End-to-End Data Protection | Yes |
Interfaces
Interface Type | PCIe Gen4 x4 (U.2) |
Data Transfer Rate (Read) | Up to 7000 MB/s |
Data Transfer Rate (Write) | Up to 3700 MB/s |
Random Read IOPS (4K) | Up to 1,100,000 IOPS |
Random Write IOPS (4K) | Up to 380,000 IOPS |
Drive Interface Connector | U.2 (SFF-8639) |
Compliance & Origin
Country of Origin | Inquire |
TAA Compliant | Inquire |
RoHS Compliance | Yes |
Halogen Free | Yes |
Certifications | CE, FCC, UL, VCCI, BSMI, KCC, TUV |