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4XB0K12257
Lenovo ThinkServer 2.5in 960GB PM863 Enterprise Entry SATA 6...
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4XB0K12257 is a high-performance HDD designed for enterprise storage applications. It features a 3.5-inch form factor, a SAS 12Gb/s interface, and a reliable 7200 RPM spindle speed. With a massive storage capacity of 16 TB and a generous 512 MB cache, this drive is built to handle demanding workloads. Its design incorporates advanced attributes such as helium-sealed construction and dual actuator technology, ensuring enhanced vibration protection and longevity.
Engineered for rigorous data center and enterprise usage, 4XB0K12257 boasts a robust annual workload rating of 550 TB/yr and efficient power consumption—with 8 Watts during read/write operations and 6 Watts in idle mode. This HDD is optimized for environments requiring high reliability and performance, making it ideal for applications in data centers, enterprise storage arrays, and high-demand server configurations.
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| 4XB0K12257 |  43N3420 |  00NA526 |  01DE353 |  0A65632 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | ||||
| Drive Type | HDD | ||||
| Use Case | Enterprise Storage | ||||
| Interface | SAS 12Gb/s | ||||
| Form Factor | 3.5-inch | ||||
| Storage Capacity | 16 TB | ||||
| Spindle Speed (RPM) | 7200 RPM | ||||
| Cache (Buffer Size) | 512 MB | ||||
| Average Latency | N/A | ||||
| Data Transfer Rate | Up to 300 MB/s | ||||
| Annual Workload Rating | 550 TB/yr | ||||
| Power Consumption (Read/Write) | 8 Watts | ||||
| Power Consumption (Idle) | 6 Watts | ||||
| Encryption Support | AES 256-bit | ||||
| Helium Sealed | Helium-Sealed | ||||
| Drive Bays Supported | Multi-bay | ||||
| Vibration Protection | Yes | ||||
| Advanced Features | Dual Actuator | ||||
| Operating Temperature | 5–60°C | ||||
| Product Name | 4XB0K12257 | ||||
| Height | 1.03 inches | ||||
| Width | 5.79 inches | ||||
| Depth | 4.01 inches | ||||
| Weight | 3.6 lbs |
The PM863 960GB SSD provides great value for our ThinkServer deployments. High uptime and steady speeds.
Perfect enterprise entry drive. The 960GB capacity handles our virtualization tasks without any bottlenecking.
Seamlessly replaced our older SATA drives. The PM863 performance is predictable and robust for daily operations.
Dependable SATA 6Gbps interface. These Lenovo ThinkServer drives are essential for our data center refresh.
Consistent IOPS and low failure rates. The 960GB PM863 is a workhorse for entry enterprise storage.
This enterprise-grade SSD offers 960 GB of usable storage capacity in a 2.5-inch form factor.
It connects via a SATA 6 Gbps interface, fully compliant with the SATA III standard.
The drive uses a 2.5-inch hot-swap (HS) form factor with a standard 7 mm drive height.
It delivers up to 530 MB/s sequential read and 450 MB/s sequential write throughput.
It is rated for 1 drive-write per day (DWPD) over a 5-year service life, equating to approximately 1,756 TB total bytes written (TBW).
Yes. It features built-in power-loss protection to ensure data integrity during unexpected power interruptions.
The drive is designed for a 1.5 million-hour MTBF, meeting enterprise reliability standards.
Yes. It supports hot-swap insertion and removal in compatible Lenovo ThinkServer hot-swap bays.
It is validated for ThinkServer series including RS140, RD350, RD450, and System x3550 environments.
Yes. The PM863 960 GB SSD can function as a primary OS/boot drive in any supported SATA-based server.
Yes. It is fully backward compatible with SATA 3 Gbps (SATA II) ports at reduced link speeds.
Lenovo provides a 5-year limited warranty with optional enterprise support and advance replacement service.
No. It uses standard SATA drivers; firmware updates are available via Lenovo XClarity Administrator.
Simply insert the drive into a compatible hot-swap bay or 2.5-inch drive tray and secure it—no additional mounting hardware is needed.
Use Lenovo XClarity Administrator or standard SMART utilities to monitor health, performance, and endurance metrics.
Yes. With enterprise-class endurance, power-loss protection, and sustained performance, it is ideal for moderate to heavy write workloads.
It utilizes high-endurance 3D TLC NAND flash optimized for enterprise reliability and consistency.