Lenovo ThinkSystem RAID 940-16i 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 x8 SFF-8654 - 16 Total SAS Port(s) - 16 SAS Port(s) Internal - PC - 4 G 4Y37A78600
4Y37A78600 | Lenovo®
Part Number: 4Y37A78600
Condition: New
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Product Specifications
Lenovo ThinkSystem RAID 940-16i 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 x8 SFF-8654 - 16 Total SAS Port(s) - 16 SAS Port(s) Internal - PC - 4 G 4Y37A78600
RAID 940-16I 4GB FLASH CTLR -
Manufacturer Part Number: 4Y37A78600
RAID 940-16i 4GB Flash
CPN:RAID 940-16I 4GB FLASH CTLR -
MANUFACTURER NAME: Lenovo
MANUFACTURER PART NUMBER: 4Y37A78600
UPC EAN CODE: 889488593958
LANGUAGE: EN
MARKET:US
| General Information: | |
The ThinkSystem RAID 940 family of PCIe 4.0 12 Gbps SAS RAID controllers are high-performance RAID-on-chip (ROC) server adapters for connectivity to drives internal to the server. These adapters support RAID levels 0, 1, 10, 5, 50, 6 and 60, and include an extensive list of RAS and management features. | |
| Manufacturer | Lenovo Group Limited |
| Manufacturer Part Number | 4Y37A78600 |
| Manufacturer Website Address | http://www.lenovo.com/us/en/ |
| Brand Name | Lenovo |
| Product Model | RAID 940-16i |
| Product Name | ThinkSystem RAID 940-16i 4GB Flash PCIe Gen4 12Gb Adapter |
| Product Type | SAS Controller |
| Product UPC | 889488593958 |
| 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 Server 2016
Windows Server 2019 Windows Server 2022 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 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server 15 SP3 Ubuntu 18.04 LTS Ubuntu 20.04 LTS Red Hat Enterprise Linux 7.6 Red Hat Enterprise Linux 7.7 Red Hat Enterprise Linux 8.5 SuSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP4 VMware ESXi 7.0 U3 VMware ESXi 7.0 U2 VMware ESXi 7.0 U1 VMware ESXi 6.7 U3 VMware ESXi 6.7 U2 VMware ESXi 6.7 U1 VMware ESXi 6.7 Red Hat Enterprise Linux 8 |
| Memory: | |
| Cache Memory | 4 GB |
| Interfaces/Ports: | |
| Total Number of SAS Ports | 16 |
| Number of SAS Ports (Internal) | 16 |
| SAS Connector Details | Two x8 SFF-8654 |
| Physical Characteristics: | |
| Form Factor | Plug-in Card |
| Miscellaneous: | |
| Platform Supported | PC |
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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.
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