Type | Enterprise SATA SSD |
Form Factor | 3.5 inch (using 2.5" drive in a 3.5" carrier) |
Capacity | 960 GB |
Flash Type | 3D TLC NAND |
Endurance | 3.0 DWPD |
Hot-Swap Support | Yes |
Mean Time Between Failures (MTBF) | 2,000,000 hours |
Weight | 70 g |
Power Loss Protection | Yes |
S.M.A.R.T. Support | Yes |
Warranty | 1-year limited |
Lenovo ThinkSystem S4520 960GB 3.5" SATA SSD





Key Benefits

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- - Delivers high IOPS and fast data rates for improved storage performance in Lenovo ST50 V2 and similar systems
- - Enterprise-grade reliability with 3.0 DWPD and 2M-hour MTBF minimizes downtime and maintenance
- - Hot-swappable drive with RoHS compliance makes it both environmentally responsible and service-friendly
Product Overview
The Lenovo ThinkSystem S4520 960GB SSD offers enterprise-level performance in a 3.5-inch form factor with SATA 6 Gb/s interface. It achieves sequential read/write speeds of up to 550/510 MBps, and supports 90,000 IOPS read performance. Hot-swap enabled and rated at 3.0 DWPD, it ensures operational continuity, while a 2 million-hour MTBF promotes long-term reliability. Compatible with Lenovo ST50 V2 and similar platforms, it is ideal for critical workloads that demand speed, endurance, and stability.
Specifications
Product Overview
Physical & Environmental
Width | 70 mm |
Depth | 100 mm |
Height | 7 mm |
Operating Temperature (Min) | 0°C |
Operating Temperature (Max) | 70°C |
Operating Humidity | 5% to 95% (non-condensing) |
Vibration (Operating) | 2.17 GRMS (5–800 Hz) |
Vibration (Non-operating) | 3.13 GRMS (5–800 Hz) |
Shock (Non-operating) | 1000 G / 0.5 ms |
Cloud Management & Licensing
Designed for Lenovo Systems | Yes, compatible with ThinkSystem ST50 V2 and others |
Interfaces
Interface Type | SATA 6 Gb/s |
Interface Speed | 6 Gbps |
Max Sequential Read | 550 MBps |
Max Sequential Write | 510 MBps |
Max 4KB Random Read | 90,000 IOPS |
Max 4KB Random Write | 43,000 IOPS |
Compliance & Origin
RoHS Compliance | Yes |
TAA Compliant | Inquire |
Country of Origin | Inquire |
Certifications | CE, UL, FCC, VCCI, BSMI, KC |
Advanced Security Features
Data Encryption | AES 256-bit Encryption |
Secure Erase | Yes |