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DELL PERC H700 and H800 Technical Guide 13
4 Product Overview
4.1 PERC H700 and PERC H800 Overview
Table 7. PERC H700 and PERC H800 Features
Feature
PERC H700
Integrated/Adapter
PERC H700 Modular
PERC H800 Adapter
RAID Levels
0, 1, 5, 6, 10, 50, 60
0, 1, 5, 6, 10
0, 1, 5, 6, 10, 50, 60
Ports
2 x4 internal
mini-SAS wide
ports
1 x4 integrated
SAS wide
port
2 x4 external
mini-SAS wide
ports
Processor
Dell adapter
SAS RAID-on-
Chip, 8-port
with LSI 2108
chipset
Dell adapter
SAS RAID-on-
Chip, 4 lanes
with LSI 2108
chipset
Dell adapter
SAS RAID-on-
Chip, 8-port
with LSI 2108
chipset
Hardware
Exclusive OR (XOR)
Assistance
Yes
Yes
Yes
Battery Backup
(BBU)
Yes
Yes
Yes, transportable
Cache Memory
512MB BBU
512MB NVC
1GB NVC
integrated
DDR2
512MB
integrated
DDR2
512MB TBBU
512MB TNVC
1GB TNVC
DDR2
Cache Function
Write-Back, Write-Through, Adaptive Read Ahead, No-Read
Ahead, Read Ahead
Maximum number
of drives per large
RAID volume (R10,
R50, R60)
16 drives
4 drives
192 drives
(8 – MD1220)
Maximum number
of virtual disks
(RAID volumes) per
disk group
16
16
16
Multiple Virtual
Disks (RAID
volumes) per
controller
Up to 64
Up to 64
Up to 64
PCI-Express 2.0
Support
x8
x4
x8
Cut-through IO
Yes
Yes
Yes