M5015보다 좋아진 것은 PowerPC 프로세서가 듀얼로 바뀐 것이네요.
800 MHz PowerPC processor with LSI SAS2108 6 Gbps RAID on Chip (ROC) controller
The ServeRAID M5120 SAS/SATA Controller has the following specifications:
- PCI Low Profile, Half-length - MD2 form factor
- Eight external 6 Gbps SAS/SATA ports
- Two external Mini-SAS connectors (SFF-8088)
- 6 Gbps throughput per port
- 800 MHz dual-core IBM PowerPC® processor with LSI SAS2208 6 Gbps RAID on Chip (ROC) controller
- PCI Express 3.0 x8 host interface
- Support for RAID levels 0, 1, 10 standard, support for RAID 5, 50 and 6, 60 with additional upgrades
- Onboard data cache (DDR3 running at 1333 MHz) required for M5120 operations (does not come standard, must be purchased in addition to M5120) with the choice of:
- 512 MB with optional battery backup
- 512 MB or 1 GB with flash backup (MegaRAID CacheVault technology)
- Supports SAS, SATA HDDs, and SSDs
- Intermix of SAS and SATA HDDs and SSDs is supported, but the mixing of different drives type in the same array (drive group) is not recommended
- Connects to up to 240 external drives
- Supports connections to EXP2512 and EXP2524 external expansion enclosures
- Optional support for self-encrypting drives (SEDs) with MegaRAID SafeStore
- Optional support for SSD performance acceleration with MegaRAID FastPath and SSD caching with MegaRAID CacheCade Pro 2.0
- Supports up to 64 virtual drives, up to 128 drive groups, up to 16 virtual drives per one drive group, and up to 32 physical drives per one drive group
- Supports LUN sizes up to 64 TB
- Configurable stripe size up to 1 MB
- Compliant with Disk Data Format (DDF) configuration on disk (COD)
- S.M.A.R.T. support
- MegaRAID Storage Manager management software
- to be continue -