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ServeRAID M5210 SAS/SATA Controller for IBM System x User’s Guide
July 2014
Chapter 3: ServeRAID M5210 SAS/SATA Controller Characteristics
Characteristics of the ServeRAID M5210 SAS/SATA Controller
3.2.2
Array Performance Features
Table 4
shows the array performance features for the ServeRAID M5210 SAS/SATA controller.
PCI Express Bus Data
Transfer Rate
·
Up to 8 GT/s (1 GB/s) per lane
·
x8 lane width
·
Up to 2 GB/s per direction for SAS x4 cards
(4 GB/s total)
Serial Port
3-pin RS232-compatible connector (for manufacturing
use only)
SAS Controller(s)
One LSISAS3108 Single SAS controller
SAS Bus Speed
12 Gb/s
SAS Ports
Two SAS connectors with four SAS ports each
Size of Flash ROM for
Firmware
8 Mbytes
Nonvolatile Random
Access Memory
(NVRAM)
32 Kbytes for storing RAID configuration
Table 4 Array Performance Features
Specification
ServeRAID M5210 SAS/SATA Controller
PCI Express Host Data Transfer
Rate
8 GT/s (1 GB/s) per lane
Drive Data Transfer Rate
12.0 Gb/s per lane
Maximum Scatter/Gathers
26 elements
Maximum Size of I/O Requests
6.4 Mbytes in 64 Kbyte stripes
Maximum Queue Tags per Drive
As many as the drive can accept
Stripe Sizes
8, 16, 32, or 64 Kbyte
Maximum Number of Concurrent
Commands
255
Table 3 Controller Specifications
Specification
ServeRAID M5210 SAS/SATA