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Lenovo 4Y37A09728 ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb SAS Adapter - Plug-in Card
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Product Features
Technical Overview
This adapter leverages PCI Express 4.0 technology to maximize bandwidth, reducing bottlenecks in storage subsystems. The 12Gb/s SAS controller supports both SAS and SATA drives through its unified connector, offering versatility in drive selection. The flash-backed cache ensures that cached data is preserved during power loss, critical for maintaining data consistency in RAID configurations.
Operating system compatibility spans a wide range, including Windows 10, Windows 11, Windows Server editions from 2016 to 2022, multiple versions of Red Hat Enterprise Linux, SUSE Linux Enterprise Server, Ubuntu LTS releases, and VMware ESXi from 6.7 to 8.0. This broad support makes the adapter suitable for heterogeneous server environments.
Key Product Advantages
The Lenovo ThinkSystem RAID 940-8i adapter combines high-speed connectivity with advanced data protection features. Its PCIe 4.0 interface ensures future-ready performance, while the flash-backed cache provides an extra layer of reliability for critical write operations.
Enhanced Data Integrity
Flash-backed cache protects cached data during power interruptions, reducing the risk of data corruption in RAID arrays.
- Preserves write cache data
- Supports multiple RAID levels
- Ideal for mission-critical storage
Broad Compatibility
Supports a wide array of operating systems and server platforms, ensuring seamless integration into existing IT infrastructures.
- Windows, Linux, VMware
- PC and Linux platforms
- Server device support
Deployment / Use Cases
This adapter is engineered for server deployments requiring high-performance storage management. It excels in environments where data availability, speed, and scalability are paramount, such as database servers, virtualized infrastructures, and high-transaction applications.
Use cases include integrating into Lenovo ThinkSystem servers to expand storage capabilities, building RAID arrays for data redundancy in small to medium businesses, and enhancing storage performance in virtualization hosts. Its compliance with RoHS and WEEE directives also makes it suitable for organizations with strict environmental policies.
Data Center Storage
Ideal for rack-mounted servers needing reliable RAID management and high-speed SAS connectivity.
- Supports up to eight drives
- PCIe 4.0 for low latency
- Flash cache for consistency
Enterprise Backup Solutions
Facilitates robust backup arrays with RAID 5 or 6 for data protection and efficient storage utilization.
- RAID levels for redundancy
- SAS and SATA drive support
- Compatible with backup software
Highlights
- 4 GB flash-backed cache for enhanced data protection
- PCI Express 4.0 x8 host interface for high bandwidth
- 12Gb/s SAS controller with eight internal ports
- Supports RAID levels 0,1,5,6,10,50,60, and JBOD
- Compatible with Windows, Linux, and VMware operating systems
- Plug-in card form factor for easy server integration
- One SFF-8654 connector for SAS and SATA drives
- 1-year limited warranty for reliable support
- RoHS and WEEE compliant for environmental responsibility
- Designed for server platforms and PC/Linux environments
Specifications
| Specifications | |
|---|---|
| Manufacturer | Lenovo Group Limited |
| Manufacturer Part Number | 4Y37A09728 |
| Brand Name | Lenovo |
| Product Model | 940-8i |
| Product Name | ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb Adapter |
| Product Type | SAS Controller |
| Technical Information | |
| Host Interface | PCI Express 4.0 x8 |
| Controller Type | 12Gb/s SAS |
| RAID Supported | Yes |
| RAID Levels | 0,1,5,6,10,50,60,JBOD |
| Data Backup Type | Flash Backed Cache |
| Device Supported | Server |
| Operating System Supported | Windows 10,Windows 11,Windows Server 2016,Windows Server 2019,Windows Server 2022,Red Hat Enterprise linux 7.5,Red Hat Enterprise Linux 7.6,Red Hat Enterprise Linux 7.7,Red Hat Enterprise Linux 7.8,Red Hat Enterprise Linux 7.9,Red Hat Enterprise Linux 8.1,Red Hat Enterprise Linux 8.2,Red Hat Enterprise Linux 8.3,Red Hat Enterprise Linux 8.4,Red Hat Enterprise Linux 8.5,Red Hat Enterprise Linux 8.6,Red Hat Enterprise Linux 8.7,Red Hat Enterprise Linux 9.0,Red Hat Enterprise Linux 9.1,SUSE Linux Enterprise Server 12 SP3,SUSE Linux Enterprise Server 12 SP4,SUSE Linux Enterprise Server 12 SP5,SuSE Linux Enterprise Server 15,SUSE Linux Enterprise Server 15 SP1,SUSE Linux Enterprise Server 15 SP2,SUSE Linux Enterprise Server 15 SP3,Ubuntu 18.04.5 LTS,Ubuntu 20.04 LTS,Ubuntu 22.04 LTS,VMware ESXi 6.7,VMware ESXi 6.7 U1,VMware ESXi 6.7 U2,VMware ESXi 6.7 U3,VMware ESXi 7.0,VMware ESXi 7.0 U1,VMware ESXi 7.0 U2,VMware ESXi 7.0 U3,VMware ESXi 8.0,SUSE Linux Enterprise Server 15 SP4,Ubuntu 20.04.5 LTS |
| Memory | |
| Cache Memory | 4 GB |
| Interfaces/Ports | |
| Total Number of SAS Ports | 8 |
| Number of SAS Ports (Internal) | 8 |
| SAS Connector Details | One x8 SFF-8654 |
| SATA Connector Details | One x8 SFF-8654 |
| Physical Characteristics | |
| Form Factor | Plug-in Card |
| Miscellaneous | |
| Platform Supported | PC,Linux |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 1 Year |
FAQ
What is the cache memory capacity of this RAID adapter?
The Lenovo ThinkSystem RAID 940-8i adapter includes 4 GB of flash-backed cache. This cache improves write performance by temporarily storing data before writing to drives, and the flash backing ensures data is preserved during power loss, enhancing reliability in RAID configurations.
Which RAID levels does this adapter support?
This adapter supports RAID levels 0, 1, 5, 6, 10, 50, 60, and JBOD. This range allows for configurations optimized for performance, redundancy, or a balance of both, suitable for various storage needs from simple striping to complex nested arrays.
What type of host interface does the adapter use?
The adapter uses a PCI Express 4.0 x8 host interface. This provides high bandwidth and low latency, making it compatible with modern servers that support PCIe 4.0, ensuring efficient data transfer between the storage subsystem and the server motherboard.
How many drives can be connected to this SAS adapter?
The adapter features eight internal SAS ports via a single SFF-8654 connector, allowing connection to up to eight SAS or SATA drives. This makes it suitable for building multi-drive arrays in servers with limited physical space.
Which operating systems are compatible with this RAID adapter?
Compatibility includes Windows 10, 11, Windows Server 2016-2022, Red Hat Enterprise Linux 7.5-9.1, SUSE Linux Enterprise Server 12-15 SP4, Ubuntu 18.04-22.04 LTS, and VMware ESXi 6.7-8.0. This broad support facilitates deployment in diverse server environments.
What is the form factor and warranty for this adapter?
The adapter is a plug-in card form factor, designed for installation into standard PCIe slots in servers. It comes with a 1-year limited warranty, providing assurance for reliable operation in enterprise settings.
| Qty | Price | Available |
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