Technical Guide

Storage
Topics:
• Storage controllers
• Supported Drives
• External Storage
Storage controllers
● PowerEdge Hardware RAID controllers (PERC) series 10, 11 are designed for:
○ Enhanced performance
○ Fault tolerance
○ Simplified management of RAID array drives
●
PowerEdge Server-Storage family of controllers also includes SAS Host Bus Adapters (HBA):
○ Internal and external 12 Gbps SAS HBAs for use with applications that manage storage directly (vSAN, Spaces direct)
● PowerEdge controller series 10, 11 support older legacy SAS and SATA drive interfaces
● Dell S150 is software RAID solution for PowerEdge systems.
Table 9. PERC Series controller offerings
Performance Level Controller and Description
Entry S150
Value H345, HBA355 (Internal)
Value Performance H745
Premium Performance H755
External Controllers HBA355e
NOTE: For more information on the features of the Dell PowerEdge RAID controllers (PERC), Software RAID
controllers, or BOSS card, and on deploying the cards, see the storage controller documentation at www.dell.com/
storagecontrollermanuals.
Storage controller feature matrix
Table 10. Storage controller feature matrix
Model and
Form
Factors
Interface Support PCI
Suppo
rt
SAS
Connection
Cach
e
Mem
ory
Size
Write Back
Cache
RAID
Levels
Max Drive
Support
RAID
Support
PowerEdge Server-Storage Controllers (PERC & SAS HBA) Series 11
H755 Front
(SAS/SATA
Only)
12 Gb/s SAS
6 Gb/s SAS/SATA
3 Gb/s SAS/SATA
PCIe
Gen 4
2 x 8 Internal 8 GB
NV
Flash-
Backed
Cache
0,1, 5, 6, 10,
50, 60
16/controller
50 with SAS
Expander
*Platform limit
Hardware
6
16 Storage