PERC card specications
The table below lists and describes the dierent PERC cards that comprise the PERC 10 series and their specications:
Table 1. PERC cards
Feature PERC H740P PERC H745P MX PERC H840
RAID Levels 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10, 50, 60
Enclosures per port Not applicable Not applicable 4
Processor Dell Adapter SAS RAID-on-Chip,
8-port with LSI 3508 chipset
Dell Adapter SAS RAID-on-Chip,
16-port with LSI 3516 chipset
Dell Adapter SAS RAID-on-
Chip, 8-port with LSI 3508
chipset
Battery Backup Unit Yes Yes Yes
Non-Volatile cache Yes Yes Yes
Cache memory 8 GB DDR4 2133 Mhz cache 8 GB DDR4 2133 Mhz cache 8 GB DDR4 2133 Mhz cache
Cache function Write Back, Write Through, No
Read Ahead, and Read Ahead
Write Back, Write Through, No
Read Ahead, and Read Ahead
Write Back, Write Through, No
Read Ahead, and Read Ahead
Maximum number of virtual
disks, RAID mode
64 240 240
Maximum number of disks,
Enhanced HBA mode
240 - combination of virtual disks
and Non-Raid disks.
240 - combination of virtual
disks and Non-Raid disks.
N/A
Maximum number of virtual disks
per disk group
16 16 16
Hot swap devices supported Yes Yes Yes
Hardware XOR Engine Yes Yes Yes
Online capacity expansion Yes Yes Yes
Dedicated and global hot spare Yes Yes Yes
Drives Types 3 Gbps SATA, 6 Gbps SATA/
SAS, and 12 Gbps SAS
3 Gbps SATA, 6 Gbps SATA/
SAS, and 12 Gbps SAS
6 Gbps SAS, and 12 Gbps SAS
PCIe Support Gen 3 Gen 3 Gen 3
NOTE: Enhanced HBA mode is supported from rmware version 50.5.0-1750 (or later).
NOTE: 240 virtual disks can be created only in PD240 prole, for more information see Prole Management.
Management applications for PERC cards
Dell OpenManage Storage Management applications enable you to manage and congure the RAID system, create and manage multiple
disk groups, control and monitor multiple RAID systems, and provide online maintenance. The management applications for all PERC cards
include:
• Comprehensive Embedded Management
• Dell OpenManage Storage Management
Overview
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