
Table 4. I/O modules and upgrades
Description
Part number
Firmware
code base
Supported in chassis
8721 with CMM
(IBM signed)
8721 with CMM2
(Lenovo signed)
25 Gb Ethernet module
ThinkSystem NE2552E Flex Switch
4SG7A08868 Lenovo†
No
Supported
40 Gb Ethernet module
EN6131 40Gb Ethernet Switch
90Y9346
Vendor
Supported
Supported
10 Gb Ethernet modules
EN4093R 10Gb Scalable Switch
00FM514
Lenovo†
No
Supported
CN4093 10Gb Converged Scalable Switch
00FM510
Lenovo†
No
Supported
SI4091 10Gb System Interconnect Module
00FE327
Lenovo†
No
Supported
SI4093 System Interconnect Module
00FM518
Lenovo†
No
Supported
EN4091 10Gb Ethernet Pass-thru
88Y6043
IBM†
Supported
Supported
EN4093 10Gb Scalable Switch
49Y4270*
IBM†
Supported
Supported
EN4093R 10Gb Scalable Switch
95Y3309*
IBM†
Supported
Supported
CN4093 10Gb Converged Scalable Switch
00D5823*
IBM†
Supported
Supported
SI4093 System Interconnect Module
95Y3313*
IBM†
Supported
Supported
Cisco Nexus B22 Fabric Extender
94Y5350
Vendor
Supported
Supported
EN4023 10Gb Scalable Switch
94Y5212*
Vendor
Supported
Supported
1 Gb Ethernet switch
EN2092 1Gb Ethernet Scalable Switch
49Y4294
IBM†
Supported
Supported
Fibre Channel switches
FC5022 16Gb SAN Scalable Switch
88Y6374
Vendor
Supported
Supported
FC5022 24-port 16Gb SAN Scalable Switch
00Y3324
Vendor
Supported
Supported
FC5022 24-port 16Gb ESB SAN Scalable
Switch
90Y9356
Vendor
Supported
Supported
FC3171 8Gb SAN Switch
69Y1930
Vendor
Supported
Supported
FC3171 8Gb SAN Pass-thru
69Y1934*
Vendor
Supported
Supported
InfiniBand switches
IB6131 InfiniBand Switch (QDR/FDR)
90Y3450
Vendor
Supported
Supported
* Withdrawn from marketing
† For these switches, IBM signed switch firmware is up to Version 7.x and Lenovo signed switch firmware
is Version 8.x onwards
Flex System Enterprise Chassis
8