Lenovo ThinkSystem SN850 Panduan Produk - Halaman 20
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Table 16. SN850 RAID controllers with features
Feature
Adapter type
Part number
Form factor
Controller chip
Host interface
Port interface
Drive interface
Drive type
Hot-swap drives
Max devices
RAID levels
JBOD mode
Cache
CacheVault cache protection
Performance Accelerator (FastPath)
SED support
Both the 530-4i and 930-4i replace the onboard SATA controller in the server and support high-
performance RAID to the four internal 2.5-inch drive bays.
The following figure shows the ThinkSystem RAID 530-4i adapter for the SN850 blade server. Note that the
plastic frame in the lower right of the adapter is part of the mechanism that attaches the adapter to the
server; this adapter does not support a supercapacitor.
Figure 5. ThinkSystem RAID 530-4i
Lenovo ThinkSystem SN850 Server
Onboard
RAID 530-4i
Software RAID
RAID controller
None
7M17A03932
Integrated
Adapter
Intel PCH (RSTe)
LSI SAS3404
Not applicable
PCIe 3.0x8
6 Gb SATA
12 Gb SAS
SATA
SAS, SATA
HDD, SSD
HDD, SED, SSD
Yes
Yes
4
4
0, 1, 10, 5
0, 1, 10, 5
Yes
Yes
No
No
No
No
No
Yes
No
Yes
RAID 930-4i
RAID controller
7M17A03933
Adapter
LSI SAS3504
PCIe 3.0x8
12 Gb SAS
SAS, SATA
HDD, SED, SSD
Yes
4
0, 1, 10, 5, 6
Yes
2GB (Standard)
Yes (Flash)
Yes
Yes
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