ThinkSystem 3.5" 20 TB 7.2K RPM SAS 12 Gb/s Hot‑Swap HDD (512e)
  • Product categories:Hard Disk Drive
  • Part number:ThinkSystem 3.5" 20 TB
  • Availability:In Stock
  • Condition:Used
  • Product features:Ready to Ship
  • Min order:1 unit
  • List Price was:$699.00
  • Your Price: $545.00 You save $154.00
  • Chat Now Send Email

Breathe easy. Returns accepted.

Shipping: International shipment of items may be subject to customs processing and additional charges. See details

Delivery: Please allow additional time if international delivery is subject to customs processing. See details

Returns: 14 days returns.Seller pays for return shipping. See details

FREE Shipping. We are accepting NET 30 Days Purchase Orders. Get a decision in seconds, without affecting your credit.

If you need a large quantity of ThinkSystem 3.5" 20 TB product - call us through our toll-free number at Whatsapp: (+86) 151-0113-5020 or request a quote at live chat and our sales manager will contact you shortly.

ThinkSystem 3.5" 20 TB 7.2K RPM SAS 12 Gb/s Hot‑Swap HDD (512e)

Keywords
ThinkSystem 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

Description

The **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. 
Configuration
ComponentDetails
ProductThinkSystem 3.5″ 20 TB 7.2K SAS 12 Gb/s Hot‑Swap HDD
Part Number4XB7A80353 (v2: 4XB7A93784)
InterfaceSAS 12 Gb/s
Spindle Speed7,200 RPM
Form Factor3.5″ Hot‑Swap
Sector Format512e
Compatibility
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 Questions
Q1: 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.

PRODUCTS RELATED TO THIS ITEM
Lenovo 4XB7A93783 - ThinkSystem 3.5" 20TB 7.2K SATA 6Gb Hot Swap 512e HDD v2 for Enterprise Storage Recommend
Lenovo 7XB7A00037 00YK026 - ThinkSystem 2.5-inch 2TB 7.2K SATA 6Gb Hot Swap 512e HDD Recommend
Dell V6WP5 - Hynix 3.84TB PCIe Gen4 NVMe 2.5" SSD HFS3T8GECTX088N for High-Performance Storage Recommend
DELL 3.84TB 12Gb/s MU MLC SAS 2.5'' SFF Enterprise SSD PX05SVB384Y 03DDFT with Tray Recommend
02355QBQ 7.68TB SSD SAS Disk Unit (3.5") - High-Capacity Solid State Drive for Enterprise Storage Recommend
00Y2434 New Bulk IBM 1TB Hard Drive with Tray for IBM V3700 Recommend
LENOVO 4XB7A74951 - Lenovo ThinkSystem DE Series 1.92TB 1DWD 2.5in SSD Recommend
00MX552 - New LENOVO 00MX552 - SR630 - Systemboard Gen1 Recommend