MRA503-12G 3 x 3.5” Mobile Rack Trayless
Next-Generation storage solution
MRA503-12G is one of the series products that customized design for industrial-grade, professional-grade storage market. All-metal parts and intelligent temperature control design which provide more rigid quality and greater heat dissipation. Suitable for personal professional workstations, industrial computers, machinery and equipment, military and other fields of storage products.
|
![]() |

Supports 3 x 3.5" SATA/SAS HDD
in 2 x 5.25" space. |
![]() |

![]() |
Excellent heat dissipation Set proper Airflow by vent of front bezel and space between HDDs, plus 60mm fan to enhance heat dissipation, control the HDD surface temperature does not exceed the environmental temperature of 15 degrees, let the HDD works in the normal temperature range any time. |

Compatible with SATA / SAS HDD ![]()
Support SAS primary data port only
|

MRA503-12G Fits 3 x 3.5" SATA/SAS HDD in 2 x 5.25" space Host connector : 3 x SATA 7pin Power Input : 2 x SATA 15Pin Supports SATA I/II/III and SAS I/II/III (Primary Channel) HDDs Metal lock / PC panel / Aluminum case / Stainless steel rack Build-in 6*6 cm fan Smart features : 1) Dual alarm system: buzzer and LED (for the fan failure or internal temperature exceeds the setting maximum temperature) 2) Independent power switch |
Product front/back view
Product specification
Model No. : | MRA503-12G |
Model Name: | 3 x 3.5" SATA/SAS 12.0G Internal Enclosure |
Product Color : | Black frame + Silver door handle |
Type of HDD: | 3 x 3.5” SATA/SAS HDD |
Transmission Speed : | SATA III 6Gbps and SAS III 12.0 Gb/sec. (Speed varies with the HDD) |
Assembly Space : | 2 x 5.25”CD-ROM space |
Interface : | 3 x SATA 7Pin |
Power Input : | 2 x SATA15Pin |
Lock: | Yes |
LED Indicator : |
Solid blue for power. Blinking blue for HDD access. Blinking orange for FAN failure, alternating orange and blue flashing. Blinking red when temperature is above the setting, alternatinf red and blue flashing. |
RAID: | NA |
Heat-dissipation system: | 60 x 60 x 15 mm DC 12V 3000 rpm ball bearing |
Power and working environment | Voltage: 12V + 5V DC |
Working Temperature: 0°~ 55°C | |
Storage Temperature: -20°~ 55°C | |
Relative Humidity:5% ~ 65% | |
Hot swap support : | Yes |
Operating System: | Windows / MAC |
Material : | Aluminum, Alloy Zinc, SGCC, SUS430, PC |
Dimension (L*W*H) : | 210(L) * 148(W) * 86(H) mm |
Product Weight : | 1.3 KG |
Packing: | 8pcs / carton |
Packaging Contents : | MRA503-12G x 1 |
Manual x 1 | |
Frame screw x 8 | |
SATA Cable x 3 | |
Key x 2 |