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LENOVO 4Y37A78836 RAID 940-8E 4GB FL

Mfg Part Number:  4Y37A78836  
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Price: $3,632.86 + Free Shipping
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Last Updated: Jun 13, 2025
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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.

Main Specification
General Information
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
Technical Information
Host Interface PCI Express 4.0 x8
Controller Type 12Gb/s SAS
RAID Supported Yes
RAID Levels 1
RAID Levels 50
RAID Levels 60
RAID Levels JBOD
RAID Levels 10
RAID Levels 6
RAID Levels 0
RAID Levels 5
Data Backup Type Flash Backed Cache
Device Supported Server
Operating System Supported SUSE Linux Enterprise Server 15 SP3
Operating System Supported SUSE Linux Enterprise Server 15 SP2
Operating System Supported Red Hat Enterprise Linux 8.4
Operating System Supported Windows 10
Operating System Supported Ubuntu 22.04 LTS
Operating System Supported Ubuntu 20.04 LTS
Operating System Supported SUSE Linux Enterprise Server 15 SP1
Operating System Supported Red Hat Enterprise Linux 8.6
Operating System Supported SUSE Linux Enterprise Server 12 SP4
Operating System Supported Red Hat Enterprise Linux 8.5
Operating System Supported Red Hat Enterprise Linux 7.7
Operating System Supported Windows Server 2019
Operating System Supported Red Hat Enterprise Linux 9.0
Operating System Supported Red Hat Enterprise Linux 7.8
Operating System Supported Red Hat Enterprise Linux 7.9
Operating System Supported SUSE Linux Enterprise Server 15 SP4
Operating System Supported Red Hat Enterprise Linux 8.3
Operating System Supported Windows Server 2022
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 Linux
Platform Supported PC
Environmentally Friendly Yes
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Warranty
Limited Warranty 1 Year
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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