Controllers for internal storage
The following table lists the internal RAID controllers and the additional options that are used for the internal
disk storage of the TS150 server.
Table 6. Controllers for internal storage
Description Part number
Maximum
supported
ThinkServer RAID 121i Controller None# 1
ThinkServer RAID 520i PCIe Adapter 4XC0G88840 1
ThinkServer RAID 520i RAID 5 Upgrade 4XC0G88841 1
# RAID 121i is an onboard hardware-assist RAID controller.
The RAID 121i is an onboard RAID controller that does not consume a PCIe slot. The RAID 520i adapter
is supported only in the PCIe slot 3.
Important: The RAID 121i controller is not supported by virtualization hypervisors, including VMware
vSphere (ESXi), Linux KVM, Xen, and Microsoft Hyper-V.
The following table summarizes features of supported internal storage controllers.
Table 7. Internal storage controller features and specifications summary
Feature RAID 121i RAID 520i
Part number None 4XC0G88840
Form factor Onboard Low profile
Controller chip Not applicable* LSI SAS3008
Host interface Not applicable* PCIe 3.0 x8
Port interface 6 Gbps SATA 12 Gbps SAS
Number of internal drive ports 6** 8
Internal port connectors 6x L-shape SATA 2x Mini-SAS HD x4 (SFF-8643)
Drive interface SATA SAS, SATA
Drive type HDD, SSD HDD, SSD
Non-hot-swap drive support Yes Yes
Hot-swap drive support Yes Yes
Optical drive support Yes No
Maximum number of drives 6** 8
RAID levels 0/1/10/5 0/1/10, Optional 5/50 (4XC0G88841)
JBOD mode Yes Yes
Cache None None
Cache protection None None
FastPath None None
CacheCade Pro 2.0 None None
* The RAID 121i is a hardware-assist, software RAID feature (Intel Rapid Storage Technology Enterprise [RSTe]) integrated into
the Intel C236 Platform Controller Hub (PCH).
** Up to four ports are used for SATA HDDs or SSDs, and the remaining two ports are used for optical drives; or up to five ports
are used for SATA HDDs or SSDs, and the remaining port is used for an optical drive.