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Dell PowerEdge RAID Controller 11 User’s Guide PERC H755, H750, H355, and H350 Controller Series

Technical specifications of PERC 11 cards

The following table lists the specifications of PERC 11 cards:

Table 1. Technical specifications of PERC 11 cardsThe following tables list the technical specifications of PERC 11 cards.
Feature PERC H755 adapter PERC H755 front SAS PERC H755N front NVMe PERC H755 MX adapter PERC H750 adapter SAS
RAID levels 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10, 50 ,60 0, 1, 5, 6, 10, 50 ,60
Non–RAID Yes Yes Yes Yes Yes
Enclosures per port Not applicable Not applicable Not applicable Not applicable Not applicable
Processor Broadcom RAID-on-chip, SAS3916 chipset Broadcom RAID-on-chip, SAS3916 chipset Broadcom RAID-on-chip, SAS3916 chipset Broadcom RAID-on-chip, SAS3916 chipset Broadcom RAID-on-chip, SAS3916 chipset
Battery backup unit Yes Yes Yes Yes Yes
Local Key Management security Yes Yes Yes Yes Yes
Controller queue depth 5120 5120 5120 5120 5120
Secure enterprise key manager security Yes Yes Yes No Yes
Non-volatile cache Yes Yes Yes Yes Yes
Cache memory 8 GB DDR4 2666 MT/s cache 8 GB DDR4 2666 MT/s cache 8 GB DDR4 2666 MT/s cache 8 GB DDR4 2666 MT/s cache 8 GB DDR4 2666 MT/s 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 Write back, write through, no read ahead, and read ahead Write back, write through, no read ahead, and read ahead
Max no of VDs in RAID mode 240 240 240 240 240
Max no of disk groups 240 240 240 240 240
Max no of VDs per disk group 16 16 16 16 16
Hot swap devices supported Yes Yes Yes Yes Yes
Autoconfig Yes Yes Yes Yes Yes
Hardware XOR engine Yes Yes Yes Yes Yes
Online capacity expansion Yes Yes Yes Yes Yes
Dedicated and global hot spare Yes Yes Yes Yes Yes
Drives types 3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS, Gen3 (8 GT/s), and Gen4 (16 GT/s) NVMe 3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS Gen3 (8 GT/s) and Gen4 (16 GT/s) NVMe 3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS, Gen3 (8 GT/s), and Gen4 (16 GT/s) NVMe 3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS
VD strip size 64 KB, 128 KB, 256 KB, 512 KB, 1 MB 64 KB, 128 KB, 256 KB, 512 KB, 1 MB 64 KB, 128 KB, 256 KB, 512 KB, 1 MB 64 KB, 128 KB, 256 KB, 512 KB, and 1 MB 64 KB, 128 KB, 256 KB, 512 KB, 1 MB
PCIe support Gen 4 Gen 4 Gen 4 Gen 4 Gen 4
SAS/SATA maximum drive support
  • Without SAS Expander: 16 drives per controller
  • With SAS Expander: Limited by platform offerings
  • Without SAS Expander: 16 drives per controller
  • With SAS Expander: Limited by platform offerings
Not applicable Limited by platform: 8 drives per controller
  • Without SAS Expander: 8 drives per controller
  • With SAS Expander: Limited by platform offerings
NVMe maximum drive support
  • Without PCIe Switch Expander: 8 drives per controller
  • With PCIe Switch Expander: Limited by platform offerings
Not applicable
  • Without PCIe Switch Expander: 8 drives per controller
  • With PCIe Switch Expander: Limited by platform offerings
Limited by platform:8 drives per controller Not applicable
NOTE:PERC H755 adapter and PERC H755 MX supports either SAS, SATA, or NVMe drives depending on the backplane/server configuration.
NOTE:PERC controller supports only conventional magnetic recording (CMR) drives, and does not support shingled magnetic recording (SMR) drives.
NOTE:PERC H755 family of controllers currently support SEKM starting with firmware version 52.14.0-3901.
NOTE:For information about the number of drives in a disk group per virtual disk, see Summary of RAID levels
NOTE:As 14G PowerEdge Servers do not support Gen 4 speeds, PERC H750 adapter SAS will downtrain to Gen 3 speeds.
Table 2. Technical specifications of PERC 11 cardsThe following tables list the technical specifications of PERC 11 cards.
Feature PERC H355 adapter SAS PERC H355 front SAS PERC H350 adapter SAS PERC H350 Mini Monolithic SAS
RAID levels 0, 1, 10 0, 1, 10 0, 1, 10 0, 1, 10
Non–RAID Yes Yes Yes Yes
Enclosures per port Not applicable Not applicable Not applicable Not applicable
Processor Broadcom RAID-onchip, SAS3816 chipset Broadcom RAID-onchip, SAS3816 chipset Broadcom RAID-onchip, SAS3816 chipset Broadcom RAID-onchip, SAS3816 chipset
Battery backup unit No No No No
Local Key Management security No No No No
Controller queue depth 1536 1536 1536 1536
Secure enterprise key manager security No No No No
Non-volatile cache No No No No
Cache memory Not applicable Not applicable Not applicable Not applicable
Cache function Write through, no read ahead Write through, no read ahead write through, no read ahead write through, no read ahead
Max no of VDs in RAID mode 32 32 32 32
Max no of disk groups 32 32 32 32
Max no of VDs per disk group 16 16 16 16
Hot swap devices supported Yes Yes Yes Yes
Autoconfig Yes Yes Yes Yes
Hardware XOR engine Yes Yes Yes Yes
Online capacity expansion Yes Yes Yes Yes
Dedicated and global hot spare Yes Yes Yes Yes
Drives types 3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS, Gen3 (8 GT/s) 3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS, Gen3 (8 GT/s) 3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS, Gen3 (8 GT/s) 3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS, Gen3 (8 GT/s)
VD strip size 64 KB 64 KB 64 KB 64 KB
PCIe support Gen 4 Gen 4 Gen 4 Gen 4
SAS/SATA maximum drive support
  • Without SAS Expander: 16
  • With SAS Expander: Limited by platform offering
  • Without SAS Expander: 16
  • With SAS Expander: Limited by platform offering
  • Without SAS Expander: 8 drives per controller
  • With SAS Expander: Limited by platform offering
  • Without SAS Expander: 8 drives per controller
  • With SAS Expander: Limited by platform offering
NVMe maximum drive support Not applicable Not applicable Not applicable Not applicable
NOTE:As 14G PowerEdge Servers do not support Gen 4 speeds, PERC H350 adapter SAS and PERC H350 Mini Monolithic SAS will down train to Gen 3 speeds.

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