External 5.25" Drive Bay
MB902SPR-B
MB994IPO-3SB
MB994IKO-3SB
MB602SPO-B
MB994SP-4SB-1
MB994SP-4S
MB994SK-1B
MB604SPO-B
MB607SP-B
MB699VP-B
MB699VP-B V2
MB720M2K-B
MB720MK-B V2
MB606SPO-B
MB608SP-B
MB996SP-6SB
MB996SK-6SB
MB998IP-B
MB998SP-B
MB998SK-B
MB508SP-B
MB873MP-B
MB872MP-B
MB516SP-B
MB924IP-B
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
Number of (Ultra) Slim ODD supported
N/A
1 x Slim ODD
1 x Slim ODD
1 x (Ultra) Slim ODD
N/A
N/A
N/A
1 x (Ultra) Slim ODD
N/A
N/A
N/A
N/A
N/A
1 x Ultra Slim ODD
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Number of 2.5" drive supported
2
2
2
2
4
4
4
4
4
4
4
N/A
N/A
4
6
6
6
8
8
8
8
N/A
N/A
16
24
Number of M.2 SSD supported
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
4
4
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
8
12
N/A
N/A
Supports M.2 SSD length
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
30 - 110mm
30 - 110mm
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
30 - 110mm
30 - 110mm
N/A
N/A
Supports 2.5" drive height
5 - 15mm
5 - 15mm
5 - 15mm
5 - 15mm
5 - 15mm
5 - 15mm
5 - 15mm
5 - 9.5mm
5 - 15mm
5 - 15mm
5 - 15mm
N/A
N/A
5 - 7mm
5 - 9.5mm
5 - 9.5mm
5 - 9.5mm
5 - 7mm
5 - 7mm
5 - 7mm
5 - 15mm
N/A
N/A
5 - 7mm
5 - 7mm
Compatible with M.2 NVMe SSD                      
               
   
Compatible with 2.5" U.2 NVMe SSD
   
Compatible with 2.5" SATA drive
Supports SAS single channel  
       
 
Supports SAS dual channel  
 
Hot swappable tray design
 
Key Lock on Drive Tray    
     
       
     
 
         
UL Listed  
 
Drive ID plug (included)              
   
Device Connector
1x SATA 7pin
3x SATA 7pin
3x SATA 7pin
3x SATA 7pin
4x SATA 7pin
4x SATA 7pin
4x SATA 7pin
5x SATA 7pin
4x SATA 7pin
4x Mini-SAS HD
4x OCuLink
4x Mini-SAS HD
4x OCuLink
7x SATA 7pin
6x SATA 7pin
6x SATA 7pin
6x SATA 7pin
2x Mini-SAS HD
8x SATA 7pin
8x SATA 7pin
2x Mini-SAS HD
8x OCuLink
3x OCuLink
4x Mini-SAS HD
6x Mini-SAS HD
Power Connector
1x SATA 15pin
2x 4pin Molex
2x 4pin Molex
2x SATA 15pin
1x 4pin Molex
2x 4pin Molex
2x 4pin Molex
2x SATA 15pin
1x SATA 15pin
2x SATA 15pin
2x SATA 15pin
2x SATA 15pin
2x SATA 15pin
2x SATA 15pin
2x SATA 15pin
2x 4pin Molex
2x 4pin Molex
2x SATA 15pin
2x SATA 15pin
2x SATA 15pin
2x SATA 15pin
2x SATA 15pin
2x SATA 15pin
4x SATA 15pin
6x SATA 15pin
Cooling Fan
N/A
40mm fan
40mm fan
40mm fan
2x 40mm fan
2x 40mm fan
2x 40mm fan
40mm fan
40mm fan
2x 40mm fan
2x 40mm fan
2x 40mm fan
2x 40mm fan
40mm fan
40mm fan
1x 40mm fan
1x 40mm fan
2x 40mm fan
2x 40mm fan
2x 40mm fan
80mm fan
40mm fan
40mm fan
80mm fan
80mm fan
Adjustable fan speed control
N/A
ON/OFF
ON/OFF
H/L/OFF
ON/OFF
N/A
N/A
H/L/OFF
H/L/OFF
H/L/OFF
H/L/OFF
H/L/OFF
H/L/OFF
H/L/OFF
H/L/OFF
H/L/OFF
H/L/OFF
H/L/OFF
Volt Reduction
Volt Reduction
H/L/OFF
N/A
H/L/OFF
H/L/OFF
H/L/OFF
External 3.5" Drive Bay
MB491SKL-B
MB991SK-B
MB991IK-B
MB601VK-B
MB601VK-1B
MB601M2K-1B
MB833M2K-B
MB492SKL-B
MB992SK-B
MB834M2K-B
MB992SKR-B
MB993SK-B
ToughArmor EX
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor EX
ToughArmor
ToughArmor
ToughArmor
ToughArmor
MB491SKL-B
MB991SK-B
MB991IK-B
MB991IK-B
MB991IK-B
MB991IK-B
MB991IK-B
EX MB492SKL-B
MB992SK-B
MB992SKR-B
MB992SKR-B
MB992SKR-B
Number of 2.5" HDD/SSD Supported
1
1
1
1
1
1
N/A
2
2
N/A
2
3
Number of M.2 SSD Supported
N/A
N/A
N/A
N/A
N/A
1
1
N/A
N/A
2
N/A
N/A
Supports 2.5" drive height
5 - 15mm
5 - 15mm
5 - 15mm
5 - 15mm
5 - 15mm
N/A
N/A
5 - 9.5mm
5 - 9.5mm
N/A
5 - 9.5mm
5 - 7mm
Supports M.2 SSD length
N/A
N/A
N/A
N/A
N/A
30-110mm
30-110mm
N/A
N/A
30-110mm
N/A
N/A
Compatible with 2.5" U.2 NVMe SSD  
 
         
Compatible with M.2 NVMe SSD  
 
   
   
Compatible with 2.5" SATA drive
Supports SAS single channel
 
Supports SAS dual channel  
         
Built-in RAID function                    
 
Key Lock on Housing  
 
Key Lock on Drive Tray
   
       
Thumb Lock Design
           
       
Hot swappable tray design
Drive ID plug included
 
Device connector
1x SATA 7pin
1x SATA 7pin
1x SATA 7pin
1x U.2
1x U.2
1x U.2
1x MiniSAS HD
2x SATA 7pin
2x SATA 7pin
2x MiniSAS HD
1x SATA 7pin
3x SATA 7pin
Power connector
1x SATA 15pin
1x SATA 15pin
1x SATA 15pin
1x U.2
1x U.2
1x U.2
1x SATA 15pin
1x SATA 15pin
1x SATA 15pin
1x SATA 15pin
1x SATA 15pin
1x Floppy 4pin
Ultra Slim / Slim ODD Bay
MB411SPO-B
MB411SKO-B
MB411SPO-1B
MB411SPO-2B
MB852M2PO-B
ToughArmor
ToughArmor
ToughArmor
ToughArmor
ToughArmor
MB491SKL-B
MB491SKL-B
MB491SKL-B
MB491SKL-B
MB491SKL-B
Compatible Slim ODD height
12.7mm
12.7mm
12.7mm
9.5mm
9.5mm
Number of 2.5" HDD/SSD Supported
1
1
1
1
N/A
Number of M.2 SSD Supported
N/A
N/A
N/A
N/A
2
Supports 2.5" drive height
5 - 9.5mm
5 - 9.5mm
5 - 9.5mm
5 - 7mm
N/A
Supports M.2 SSD length
N/A
N/A
N/A
N/A
30-110mm
Compatible with M.2 NVMe        
Compatible with 2.5" SATA drive
 
Supports SAS single channel
 
Compatible with FDD bay
 
Key Lock on Drive Tray  
 
Hot swappable tray design
 
Device connector
1x SATA 7pin
1x SATA 7pin
1x SATA 7pin
1x SATA 7pin
2x OCuLink
Power connector
Floppy 4pin
Floppy 4pin
SATA 6pin
SATA 6pin
SATA 15pin
PCIe Bay
MB840M2P-B
MB839SP-B
ToughArmor
ToughArmor
MB491SKL-B
MB491SKL-B
Compatible PCIe Slot
x4 or above
x1 or above
Number of 2.5" HDD/SSD Supported
N/A
1
Number of M.2 SSD Supported
1
1
Supports 2.5" drive height
N/A
5 - 9.5mm
Supports M.2 SSD length
30-110mm
N/A
Compatible with 2.5" SATA drive  
Compatible with M.2 NVMe
 
Supports SAS single channel  
Key Lock on Drive Tray    
Device connector
1x PCIe 3.0 x4
1x PCIe 2.0 x1
Power connector
1x PCIe 3.0 x4
1x PCIe 2.0 x1
External Enclosure
MB991U3-1SB
ToughArmor
MB491SKL-B
Number of 2.5" HDD/SSD Supported
1
Supports 2.5" drive height
5-15mm
Compatible with 2.5" SATA drive
Compatible with 2.5" SAS drive
Compatible with 2.5" U.2 NVMe SSD
Supports SAS single channel  
Key Lock on Housing
Hot swappable tray design
Device connector
USB 3.2 Gen1
Power connector
USB 3.2 Gen1