SCSI to SATA RAID Subsystem Comparison

Model
A24U-G2421
A16U-G2430
A16U-G2421
A12U-G2421
A08U-G2421
A08U-C2411
A08U-C2412
A04U-G2421
Form Factor
4U/24-bay
3U/16-bay
3U/16-bay
2U/12-bay
2U/8-bay
Tower/Desktop
Tower/Desktop
1U/4-bay
Type
RAID
RAID
RAID
RAID
RAID
RAID
RAID
RAID
Controller
Single
Single 
Single
Single
Single
Single
Single
Single
Controller Hot-Swappable
No
No
No
No
No
No
No
No
Cache per controller
Up to 2GB DDR
Up to 2GB DDR
Up to 2GB DDR
Up to 2GB DDR
Up to 2GB DDR
Up to 1GB SDRAM
Up to 1GB SDRAM
Up to 2GB DDR
No. of Host Channels
2 x SCSI-320
2 x SCSI-320
2 x SCSI-320
2 x SCSI-320
2 x SCSI-320
1 x SCSI-320
2 x SCSI-320
1 x SCSI-320
Host Interface (port)
2 x Dual-stacked VHDCI
2 x Dual-stacked VHDCI
2 x Dual-stacked VHDCI
2 x Dual-stacked VHDCI
2 x Dual-stacked VHDCI
1 x Dual-stacked VHDCI
2 x Dual-stacked VHDCI
1 x Dual-stacked VHDCI
Disk Interface
SATA-II (3Gbps) (3Gbps)
SATA-II (3Gbps) (3Gbps)
SATA-II (3Gbps) (3Gbps)
SATA-II (3Gbps) (3Gbps)
SATA-II (3Gbps) (3Gbps)
SATA-II (3Gbps) (3Gbps)
SATA-II (3Gbps) (3Gbps)
SATA-II (3Gbps) (3Gbps)
Disk # Supported
Up to 24
Up to 16
Up to 16
Up to 12
Up to 8
Up to 8
Up to 8
Up to 4
RAID Level
0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60
0,1(0+1), 3, 5, 6, 10, 30, 50, 60
0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60
0, 1 (0+1), 3, 5, 10, 30, 50
0, 1 (0+1), 3, 5, 10, 30, 50
0, 1 (0+1), 3, 5, 10, 30, 50
0, 1 (0+1), 3, 5, 10, 30, 50
0, 1(0+1), 3, 5, 10, 30, 50
IOPS
25K
24K
24K
13K
13K
13K
13K
15K
Battery Backup
Option
Option
Option
Option
N/A
N/A
Yes
N/A
Hot Swap Cooling Modules
2
2
2
3
2
2
2
2 x Brushless FAN
PSUs
3 x 405W (N+1 redundant), Max output 810W
2 x 530W (1+1 redundnat), Max Output 530W
2 x 460W (1+1 redundnat), Max Output 460W
2 x 350W (1+1 redundant). Max output 350W
2 x 350W (1+1 redundant). Max output 350W
1 x 250W. Max output 250W
2 x 250W (1+1 redundant). Max output 250W
1 x 200W, Max output 200W
LCD Panel
Yes
Yes
Yes
Yes
Yes
Yes
Yes
N/A

 

Any information provided herein is without warranties of any kind and is subject to change by Infortrend without prior notice