Samson SRK21 – 21U Universal 19" Rack with Closed Sides and 75mm Casters

Samson SRK21 – 21U Universal 19" Rack with Closed Sides and 75mm Casters

The Samson SRK21 is a standard 19" equipment rack cabinet offering 21U of usable height and a robust steel construction with fully enclosed side panels and passive ventilation holes. It features front and rear rails for balanced mounting of deep equipment and rolls on four 3" (75mm) locking front casters for easy internal transport and fixed installation. The frame can carry a load capacity of up to 136kg with casters and 204kg without casters , sufficient for professional audio, video, IT or telecom setups. A brushed black anodized finish ensures durability and a clean, discreet appearance in booths, technical rooms and studios.

To maximize compatibility, the SRK21 accepts both M6 (EU) and 10-32 (US) hardware and includes kits for both . It also ships with a 1U blanking panel to close gaps and optimize airflow. Verified exterior dimensions are: without casters (H × W × D) 99.7 × 50.8 × 45.72 cm ; with casters 109.9 × 50.8 × 45.72 cm , maintaining a compact footprint with 18" (45.72 cm) overall depth.

Main features

• Standard 19" with 21U usable height.
• Steel construction with closed sides and perforations for passive ventilation.
• Front and rear rails for secure attachment and load distribution.
• 75 mm wheels with front brake to move the rack and secure it in the working position.
• Load capacity : up to 136 kg with wheels / 204 kg without wheels .
• Hardware Compatibility : Accepts M6 and 10-32 ; includes screws of both standards.
• Includes 1U blank panel (“blank” of one space).
• Anodized brushed black finish , durable and professional.
• Exterior dimensions : without wheels 99.7 × 50.8 × 45.72 cm ; with wheels 109.9 × 50.8 × 45.72 cm .

Product benefits

• Organization and protection for audio/video/IT equipment in a solid and stable chassis.
• Flexible installation thanks to front/rear rails and compatibility with M6 and 10-32.
• Safe mobility : large locking wheels for internal transport and fixed use.
• Passive thermal management through side perforations and a blanking panel that help direct airflow.

Use cases

• Recording studios, post-production and control rooms.
• AV installations in auditoriums, churches and educational centers.
• Corporate IT/Telecommunications and Home Studio Integration.

Frequently Asked Questions

• Is it delivered assembled? No, it is shipped disassembled for easy transport; assembly is simple.
• Does it support drawers and trays? Yes, it's compatible with SRK Rack Drawers and SRK Rack Shelves (sold separately).
• What is the usable depth? The exterior depth is 18 "; the front and rear rails accommodate standard 19" equipment.

Description for projects

19" 21U universal steel rack with closed side panels and perforations , front and rear rails , 75mm front locking casters , load capacity 136 kg (with casters) / 204 kg (without casters) , M6 and 10-32 hardware included and 1U blanking panel . External dimensions : without casters 99.7 × 50.8 × 45.72 cm ; with casters 109.9 × 50.8 × 45.72 cm . Brushed black anodized finish .