| Product Type | RAID Controller |
| Manufacturer | Lenovo |
| Model | RAID 940-16i 4GB Flash |
| Manufacturer Part Number (MPN) | 4Y37A78600 |
| UPC | 889488593958 |
| Form Factor | PCIe Low Profile |
| RAID Levels Supported | 0, 1, 5, 6, 10, 50, 60 |
| Cache Memory Size | 4 GB Flash |
| Cache Type | DDR4-2133 SDRAM |
| Backup Cache | Integrated supercapacitor |
| Power Requirement | Typical 10W |
| Form Factor Slot Type | PCIe Gen4 x8 |
Lenovo RAID 940-16i 4GB Flash PCIe Controller
Key Benefits
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- Optimized for businesses requiring high-performance RAID solutions in compact PCIe low-profile form factors
- Supports flexible and scalable storage configurations with 8 SFF-8654 ports
- Delivers enterprise-grade reliability with onboard 4GB flash cache and manufacturer warranty
Product Overview
The Lenovo RAID 940-16i 4GB Flash is a professional-grade RAID controller designed for high-performance enterprise storage. Built for PCIe low-profile systems, it supports SAS and SATA interfaces and offers a data transfer rate of 4 Gbps. Featuring 8 SFF-8654 ports and 4GB flash cache, it delivers efficient data handling and scalability for mission-critical setups. A 1-year limited warranty is included. Information about COO and TAA compliance is currently unavailable.
Specifications
Product Overview
Physical & Environmental
| Card Dimensions | 167.65 mm x 68.90 mm |
| Cooling | Passive heatsink |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -40°C to 70°C |
| Operating Humidity | 20% to 90% non-condensing |
| MTBF | Over 2,000,000 hours |
Cloud Management & Licensing
| Remote Management | Supported via Lenovo XClarity Controller |
| RAID Management Software | Lenovo XClarity Provisioning Manager, MegaRAID Storage Manager |
| License Included | Standard RAID features included |
| Advanced Feature Licensing | Optional RAID 6/60 and CacheCade licenses |
Interfaces
| Interface Type | SAS/SATA |
| External Ports | None |
| Internal Connector Type | SFF-8654 |
| Number of Internal Ports | 8 |
| Number of Devices Supported | Up to 240 |
| Host Bus Interface | PCIe 4.0 x8 |
| Data Transfer Rate | Up to 4.8 GB/s (read/write) |
| Controller Chipset | Broadcom SAS3916 |
| SAS Data Rate | 12 Gbps per port |
| SATA Data Rate | 6 Gbps per port |
Compliance & Origin
| Country of Origin | |
| TAA Compliant | |
| Certifications | RoHS, CE, FCC, UL |
Advanced Security Features
| Secure Boot Support | Yes |
| Drive Encryption Support | SED (Self-Encrypting Drive) support |
| Data Protection Features | Patrol Read, Bad Block Management, Advanced ECC, Parity Check, RAID Recovery |
| Secure Firmware Updates | Signed firmware support |