IBM System x3650 M3 33
Table 21. Hard drive options for external expansion enclosures (Part 2)
Part num ber Description Maximum quantit y support ed
per one enclosure
EXP2524 Hot-Swap SAS 2.5" Hard Drives
49Y1896 146 GB 15K 6 Gb SAS 2.5” HDD 24
49Y1895 300 GB 10K 6 Gb SAS 2.5” HDD 24
81Y9596 600 GB 10K 6 Gb SAS 2.5” HDD 24
49Y1898 500 GB 7,200 RPM 6 Gb SAS NL 2.5” HDD 24
EXP2524 Hot-Swap SAS 2.5" Solid State Drives
81Y9956 200GB 2.5" SAS SSD 24
81Y9960 400GB 2.5" SAS SSD 24
The RAID controllers listed in the following table are supported with external expansion enclosures.
Table 22. RAID controllers for external storage expansion enclosures
Part num ber Descri ption Maximum quantit y
supported
46M0830 ServeRAID M5025 SAS/SATA Controller 4
46M0930 ServeRAID M5000 Series Advance Feature Key† 1 per one M5025
81Y4426 ServeRAID M5000 Series Performance Accelerator Key† 1 per one M5025
† Only one key is supported in each controller, either the Advance Feature Key or the Performance Accelerator Key.
The ServeRAID M5025 SAS/SATA Controller has the following specifications:
Two Mini-SAS external connectors
Supports RAID levels 0, 1, 5, 10, and 50
Supports RAID 6 and 60 with the optional M5000 Advanced Feature Key
Performance optimization for SSD drives with optional M5000 Series Performance Accelerator Key
6 Gbps throughput per port
PCI Express 2.0 x8 host interface
Based on the LSI SAS2108 6 Gbps ROC controller
512 MB of onboard cache
Intelligent Li-Ion-based battery backup unit with up to 48 hours of data retention
Supports connectivity to the EXP3000, EXP2512, and EXP2524 storage expansion enclosures
For more information, see the IBM Redbooks Product Guide
ServeRAID M5025 SAS/SATA Controller for IBM System x: http://www.redbooks.ibm.com/abstracts/tips0739.html?Open