Description
The Lenovo ThinkSystem D4390 15-Pack 22TB SED 7.2K NL-SAS HDD is a high-capacity enterprise storage drive package designed for the ThinkSystem D4390 Direct Attached Storage Enclosure. Each kit includes fifteen 3.5-inch, 22TB self-encrypting Nearline SAS hard drives, delivering substantial capacity for data-intensive enterprise environments.
Designed for scalable storage deployments, these hot-swap drives operate at 7,200 RPM and use a 12 Gbps NL-SAS interface. The D4390 supports up to six of these 15-drive packs, allowing organizations to build dense storage configurations suited for backup and archiving, big data and analytics, object storage, video surveillance, cloud infrastructure, and other capacity-focused workloads.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Lenovo |
| SKU / Part Number | 4XB7A90621 |
| Feature Code | BYP9 |
| Product Type | Enterprise Hard Drive Pack |
| Compatible System | Lenovo ThinkSystem D4390 Direct Attached Storage Enclosure |
| Quantity | 15 Drives |
| Capacity per Drive | 22 TB |
| Drive Form Factor | 3.5-inch |
| Drive Type | Nearline SAS HDD |
| Interface | 12 Gbps NL-SAS |
| Spindle Speed | 7,200 RPM |
| Security | Self-Encrypting Drive (SED) |
| Hot-Swap Support | Yes |
| Maximum Packs per D4390 | 6 |
| Maximum Drives per D4390 | 90 |
| Primary Applications | Backup, archiving, big data, analytics, object storage, video surveillance, cloud storage |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
