Lenovo ThinkSystem RAID 940-8e 4GB Flash PCIe Gen4 12Gb Adapter - 12Gb/s SAS - PCI Express 4.0 x8 - Plug-in Card - RAID Supported - 0, 1, 5, 6, 10, 50, 60, JBOD RAID Level - Two Mini-SAS HD x4 (SFF-8644) - 8 Total SAS Port(s) - 8 SAS Port(s) External 4Y37A78836
4Y37A78836 | Lenovo®
Part Number: 4Y37A78836
Condition: New
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Product Specifications
Lenovo ThinkSystem RAID 940-8e 4GB Flash PCIe Gen4 12Gb Adapter - 12Gb/s SAS - PCI Express 4.0 x8 - Plug-in Card - RAID Supported - 0, 1, 5, 6, 10, 50, 60, JBOD RAID Level - Two Mini-SAS HD x4 (SFF-8644) - 8 Total SAS Port(s) - 8 SAS Port(s) External 4Y37A78836
THINKSYSTEM RAID 940-8E 4GB CTLR - FLASH PCIE GEN4 12GB ADAPTER
Manufacturer Part Number: 4Y37A78836
CPN:THINKSYSTEM RAID 940-8E 4GB CTLR - FLASH PCIE GEN4 12GB ADAPTER
MANUFACTURER NAME: Lenovo
MANUFACTURER PART NUMBER: 4Y37A78836
UPC EAN CODE: 889488634767
LANGUAGE: EN
MARKET:US
| General Information: | |
The ThinkSystem RAID 940-8e 4GB Flash PCIe Gen4 12Gb Adapter is a high-performance 12 Gbps SAS RAID-on-chip (ROC) PCIe 4.0 adapter for connectivity to external disk enclosures. The adapter comes standard with 4 GB of cache, supports RAID levels 0, 1, 10, 5, 50, 6 and 60, and includes an extensive list of RAS and management features. | |
| Manufacturer | Lenovo Group Limited |
| Manufacturer Part Number | 4Y37A78836 |
| Manufacturer Website Address | http://www.lenovo.com/us/en/ |
| Brand Name | Lenovo |
| Product Model | 940-8e |
| Product Name | ThinkSystem RAID 940-8e 4GB Flash PCIe Gen4 12Gb Adapter |
| Product Type | SAS Controller |
| Product UPC | 889488634767 |
| 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 Server 2019 Windows Server 2022 Red Hat Enterprise Linux 7.7 Red Hat Enterprise Linux 7.8 Red Hat Enterprise Linux 7.9 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 9.0 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server 15 SP4 Ubuntu 20.04 LTS Ubuntu 22.04 LTS |
| Memory: | |
| Cache Memory | 4 GB |
| Interfaces/Ports: | |
| Total Number of SAS Ports | 8 |
| Number of SAS Ports (External) | 8 |
| SAS Connector Details | Two Mini-SAS HD x4 (SFF-8644) |
| Physical Characteristics: | |
| Form Factor | Plug-in Card |
| Miscellaneous: | |
| Platform Supported | PC
Linux |
| Environmentally Friendly | Yes |
| Warranty: | |
| Warranty | 1 Year |
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For support on this product, please contact Lenovo. 1-855-253-6686 WWW.LENOVO.COM
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Learn more about SCSI/RAID Controllers
What is a RAID controller?
A RAID (redundant array of independent disks) combines multiple physical drives into one virtual storage device that offers more storage and, in most cases, fault tolerance so that data can be recovered even if one of the physical disks fails. A RAID controller is a hardware device or software program used to manage hard disk drives (HDDs) or solid-state drives (SSDs) in a computer or storage array so they work as a logical unit.A controller offers a level of abstraction between an operating system and the physical drives. A RAID controller presents groups to applications and operating systems as logical units for which data protection schemes can be defined. Because the controller has the ability to access multiple copies of data on multiple physical devices, it has the ability to improve performance and protect data in the event of a system crash. There are different levels of raid as well, typically the higher the number, the more redundancy your data will have. In some cases 1-2 hard drives can go down before you will be impacted! Another caveat with RAID is the ability to actually speed up your hard drive performance. The more drives you have in your array the more redundant and faster your I/O will become!
In hardware-based RAID, a physical controller is used to manage the RAID array. The controller can take the form of a PCI or PCI Express (PCIe) card, which is designed to support a specific drive format such as SATA or SCSI. (Some RAID controllers can also be integrated with the motherboard.) A RAID controller may also be software-only, using the hardware resources of the host system. Software-based RAID generally provides similar functionality to hardware-based RAID, but its performance is typically less than that of the hardware versions.
Thank you very much for your super-speedy processing!--Dave DaveMore Reviews
