IBM System x3850 X5 Implementation Manual page 115

Figure 3-24 Disabling battery cache on controller in MegaRAID web BIOS
ServeRAID M5000 Series Performance Accelerator Key
ServeRAID M5000 Series Performance Accelerator Key for System x enables performance
enhancements that are needed by emerging SSD technologies that are being used in a
mixed SAS and SSD environment. You use a seamless field-upgradeable key. ServeRAID
M5000 Series Performance Accelerator Key for System x provides these benefits:
Performance optimization for SSDs: Improve SAS/SATA Controller performance to match
an array of SSDs.
Flash tiering enablement: A data-tiering enabler to support hybrid environments of SSDs
and HDDs, realizing higher levels of performance.
MegaRAID recovery: A data recovery feature that works both in pre-boot and OS
environments.
RAID 6, 60 enablement for added data protection.
SED support enablement for encryption-equipped devices.
Convenient upgrade with easy-to-use pluggable key.
We cover these controllers in detail in 3.9.4, "SAS and SSD controllers" on page 96.
1.8-inch hard drive options
Table 3-26 lists the supported 1.8-inch SSDs.
Table 3-26 IBM 1.8-inch SSD for use in the IBM eXFlash backplanes
Option number Feature code
43W7734 5314
Description
IBM 50GB SATA 1.8-inch NHS SSD
Chapter 3. IBM System x3850 X5 and x3950 X5
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