Type | Enterprise Solid State Drive |
Form Factor | 2.5-inch |
Storage Capacity | 3.84 TB |
Drive Classification | Read-intensive / Mixed-use |
Endurance Rating | 1 DWPD (Drive Writes Per Day) |
Interface | SAS 12 Gb/s |
Typical Application | Virtualization, Content Delivery, Databases |
Hot-Swap Support | Yes |
Drive Type | 2.5" SAS SSD |
Compatible Bay Type | 2.5" SAS Drive Bay |
Configuration Compatibility | 2U24 NVMe/SAS configurations |
Lenovo 3.84TB 2.5" SAS SSD 12Gbps (4XB7A74955)




Key Benefits

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- Delivers high-speed performance with SAS 12 Gb/s interface, enabling fast data throughput for enterprise server environments
- Large 3.84TB capacity ideal for data center storage or virtualization workloads
- Designed for 2U24 applications, ensuring seamless integration into scalable infrastructure setups
Product Overview
The Lenovo 4XB7A74955 is a high-performance 3.84TB SSD designed for enterprise-grade storage infrastructures. With a 2.5-inch form factor and a robust SAS 12 Gb/s interface, this drive ensures rapid data transfer rates of up to 12 Gbps. It supports workloads typically found in read-intensive or mixed-use scenarios.
Compatible with 2U24 configurations, the SSD is engineered to deliver scalability and consistent performance in data centers and hyper-converged systems. Its dual-port SAS interface offers increased redundancy and high availability, ideal for mission-critical applications. This SSD is suitable for use in virtualization, transactional databases, or content delivery environments.
Specifications
Product Overview
Physical & Environmental
Dimensions (W x D x H) | 70 mm x 100 mm x 7 mm |
Weight | Approx. 150 grams |
Operating Temperature | 0°C to 70°C |
Non-Operating Temperature | -40°C to 85°C |
Operating Humidity | 5% to 95% (non-condensing) |
Shock Resistance (Operating) | 1000 G @ 0.5 ms |
Vibration (Operating) | 2.17 Grms (5-700 Hz) |
Vibration (Non-Operating) | 3.13 Grms (5-800 Hz) |
MTBF (Hours) | 2 million hours |
Power Consumption (Active) | Up to 10 W |
Power Consumption (Idle) | Less than 5 W |
Cloud Management & Licensing
Cloud Management Support | No |
Licensing Requirements | None |
Interfaces
Interface Type | SAS |
Interface Speed | 12 Gb/s |
Port Configuration | Dual Port |
Data Transfer Rate | 12 Gbps |
Backward Compatibility | SAS 6 Gb/s |
Connection Interface | SFF-8482 |
Compliance & Origin
TAA Compliant | Inquire |
Country of Origin | Inquire |
RoHS Compliance | Yes |
Certifications | CE, UL, FCC, VCCI, KC |
Environmental Standards | REACH, WEEE |
Advanced Security Features
Data Encryption | SED (Self-Encrypting Drive) support |
Encryption Standard | AES 256-bit |
Secure Erase Feature | Yes |