Lenovo System x3950 X6 Product Manual page 38

External disk storage expansion
The server supports attachment to external storage expansion enclosures, such as the EXP2500 series,
by using the ServeRAID M5120 SAS/SATA Controller. The server can also be attached to supported
external storage systems, such as the IBM DS3500 series, by using a supported HBA (see the earlier
"Storage HBA" section). The following table shows the RAID controllers and options for external disk
storage expansion.
Table 22. RAID controllers and options for external disk storage expansion
Part number Feature
code
00AE938 A5ND
81Y4478 A1WX
Features on Demand upgrades for the M5225
47C8706 A3Z5
47C8710 A3Z7
47C8712 A3Z8
Hardware upgrades for the M5120
81Y4487 A1J4
81Y4559 A1WY
Feature on Demand upgrades for the M5120
90Y4318 A2MD
90Y4273 A2MC
81Y4546 A1X3
* These M5120 features upgrades require a cache memory upgrade (81Y4487 or 81Y4559).
The ServeRAID M5225 SAS/SATA Controller has the following specifications:
Eight external 12 Gbps SAS/SATA ports

Supports 12, 6, and 3 Gbps SAS and 6 and 3 Gbps SATA data transfer rates

Two external x4 mini-SAS HD connectors (SFF-8644)

Supports 2 GB flash-backed cache (standard)

Supports RAID levels 0, 1, 5, 10, and 50 (standard)

Supports RAID 6 and 60 with the optional M5200 Series RAID 6 Upgrade

Supports optional M5200 Series Performance Accelerator and SSD Caching upgrades

PCIe x8 Gen 3 host interface

Based on the LSI SAS3108 12 Gbps ROC controller

Supports connectivity to the EXP2512 and EXP2524 storage expansion enclosures

System x3950 X6
Description
ServeRAID M5225-2GB SAS/SATA Controller
ServeRAID M5120 SAS/SATA Controller
ServeRAID M5200 Series RAID 6 Upgrade for
Systems-FoD
ServeRAID M5200 Series Performance Accelerator for
Systems-FoD
ServeRAID M5200 Series SSD Caching Enabler for
Systems-FoD
ServeRAID M5100 Series 512MB Flash/RAID 5
Upgrade
ServeRAID M5100 Series 1GB Flash/RAID 5 Upgrade
ServeRAID M5100 Series SSD Caching Enabler
ServeRAID M5100 Series SSD Performance Key
ServeRAID M5100 Series RAID 6 Upgrade
Maximum Standard models
supported where used
x3950 X6
-
5 -
1
1
1
1 -
1 -
1* -
1* -
1* -
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