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ThinkSystem 3.5" 20 TB 7.2K RPM SAS 12 Gb/s Hot‑Swap HDD (512e)
KeywordsThinkSystem 20 TB SAS HDD, 7.2K RPM SAS 12 Gb/s HDD, 3.5″ hot‑swap HDD, Lenovo ThinkSystem storage, enterprise high‑capacity drive, data center storage, 512e SAS drive
ThinkSystem 20 TB SAS HDD, 7.2K RPM SAS 12 Gb/s, enterprise high‑capacity drive
DescriptionThe **ThinkSystem 3.5″ 20 TB 7.2K RPM SAS 12 Gb/s Hot‑Swap HDD (512e)** is a high-capacity enterprise-grade storage drive engineered for Lenovo ThinkSystem servers and storage arrays. With a huge 20 TB capacity and a dependable 7200 RPM spindle speed, this HDD delivers cost-effective bulk storage suitable for archival, big data, and high-density environments. The hot-swap design allows for seamless replacement in live systems without downtime, while the 512e sector format ensures compatibility and efficient utilization.
Officially recognized under Lenovo part number **4XB7A80353**, the HDD is listed as “supported” (not necessarily “standard”) for ThinkSystem platforms, including the updated “v2” variant **4XB7A93784** that reflects extended firmware support and validation.
Key Features- Massive **20 TB capacity** for dense storage needs.
- **7,200 RPM spindle speed** balancing performance and power use.
- **SAS 12 Gb/s interface** for high throughput and scalability.
- **Hot‑swap 3.5″ form factor**, ideal for zero-downtime maintenance.
- **512e sector format**, compatible with enterprise filesystems.
- Lenovo-supported model with both original and v2 versions available.
Component | Details |
---|---|
Product | ThinkSystem 3.5″ 20 TB 7.2K SAS 12 Gb/s Hot‑Swap HDD |
Part Number | 4XB7A80353 (v2: 4XB7A93784) |
Interface | SAS 12 Gb/s |
Spindle Speed | 7,200 RPM |
Form Factor | 3.5″ Hot‑Swap |
Sector Format | 512e |
Officially supported on Lenovo ThinkSystem servers as part of the SAS HDD options. Compatible models include many SR-series and storage arrays—both original and "v2" versions denote validation level.
Usage Scenarios
Ideal for data center, archival, and bulk storage deployments where cost-effective capacity per TB matters. Suitable for cold storage layers, backup targets, media archives, or scalable JBOD expansions where high throughput isn't mission-critical.
Frequently Asked QuestionsQ1: What are the valid part numbers for this drive?
The original model is **4XB7A80353**, while the updated and qualified variant is **4XB7A93784**. Both are Lenovo-supported.
Q2: Is this HDD compatible with hot-swap bays in ThinkSystem servers?
Yes—it's a 3.5″ hot-swap SAS drive compatible with Lenovo ThinkSystem platforms that support 12 Gb/s SAS HDDs.
Q3: What does the “512e” format mean?
512e indicates an advanced sector format where the system emulates 512-byte sectors while the drive internally uses 4K physical sectors—optimizing performance and compatibility with legacy systems.
Q4: How does this compare to SSDs?
While SSDs offer much faster I/O and low latency, this HDD provides superior cost-per-terabyte for mass storage. It’s ideal for capacity-driven workloads rather than performance-critical tasks.
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