Description
The Lenovo ThinkSystem RAID 940-8e 4GB Flash PCIe Gen4 12Gb Adapter is an enterprise-class external storage RAID controller designed for compatible Lenovo ThinkSystem servers.
Featuring PCIe Gen4 connectivity, a 12Gb SAS interface, and 4GB of flash-backed cache, the RAID 940-8e provides high-performance connectivity and dependable RAID functionality for external SAS storage environments. Its external-port design makes it suitable for server deployments requiring scalable storage expansion, data protection, and reliable access to business-critical storage resources.
Designed for Lenovo ThinkSystem infrastructure, the adapter integrates with supported server configurations while providing the performance and flexibility required for enterprise storage applications.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Lenovo |
| Product Family | ThinkSystem |
| Product Type | RAID Controller / Storage Adapter |
| Model | ThinkSystem RAID 940-8e |
| SKU / Part Number | 4Y37A78836 |
| Feature Code | BNWJ |
| Cache | 4GB Flash |
| Host Interface | PCIe Gen4 |
| Storage Interface | 12Gb SAS |
| Port Type | External |
| Supported PCIe Slots | 4, 2, 3, 1, 5 |
| Maximum Supported Quantity | Up to 4 |
| Application | External SAS Storage Connectivity |
| Compatibility | Select Lenovo ThinkSystem Servers |
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
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