Best Rack Mount Power Distribution Units to Power Your Servers and Networking Gear
Choosing the right rack mount power distribution unit (PDU) can simplify cooling, cabling, and power management for servers, network gear, and AV setups. This guide highlights five reliable PDUs, covering 1U rack-mount designs with multiple outlets, surge protection, and convenient front and rear access. Each option is evaluated for space efficiency, reliability, and ease of installation in standard 19-inch racks.
Summary of Selected Products
| Brand | |||
|---|---|---|---|
| Tecmojo | 1U Rack Mount 19 Outlet PDU | 16 rear, 3 front, 4 USB ports | Compact 1U design, built-in 12A circuit breaker |
| Tripp Lite | RS1215-RA | 12 outlets (front & rear) | 15A, long 15 ft cord, locking switch, durable housing |
| StarTech | RKPW081915 | 8 outlets (front) | 6 ft cord, suited for 19″ racks, surge protection |
| CyberPower | CPS1215RMS | 12 outlets (front & rear) | 15 ft cord, 1U rackmount, surge protection |
| TRENDnet | TPI-06 | 6 outlets (NEMA 5-15R), 1 Gb port | Bypass outlet, managed features, UL certified |
Tecmojo 1U Rack Mount PDU With 19 Outlets
Tecmojo offers a compact 1U design that fits neatly in standard 19-inch racks. It provides 16 rear-facing outlets plus three front-facing outlets, enabling flexible device placement and cable management. The PDU includes four USB ports for charging and powering peripheral devices, improving accessibility in crowded rack enclosures. A built-in 12-amp circuit breaker adds a layer of safety to protect equipment from overload events. This model emphasizes space efficiency without sacrificing electrical capacity, making it a practical choice for mixed AV, network, and server environments.
Tripp Lite RS1215-RA 12-Outlet PDU
Tripp Lite’s RS1215-RA is a versatile 1U rack-mount PDU featuring six front and six rear outlets for flexible device placement. It includes a long 15-foot cord with a 15-amp plug and a resettable circuit breaker, enhancing safety and reliability in busy data closets or server rooms. The heavy-duty metal housing supports durable operation in demanding IT environments. The included mounting hardware and option to rotate adapters offer adaptable installation to fit varied rack layouts and cable management schemes.
StarTech RKPW081915 8-Outlet 1U PDU
StarTech’s RKPW081915 provides eight NEMA 5-15 outlets in a horizontal 1U rack-mount design. It ships with a six-foot power cord and is compatible with 19″ server racks, including deeper configurations. The rugged steel chassis includes LED indicators for ground and surge protection, and convenient control switches for power management. The model emphasizes straightforward installation and reliable surge protection, making it suitable for network and server racks requiring quick deployment and clear status indicators.
CyberPower CPS1215RMS Surge Protector
CyberPower CPS1215RMS is a 1U rackmount surge protector with 12 outlets and a 15-foot power cord. It provides critical protection for data centers, network closets, and VoIP systems. The dual-front and rear outlet arrangement supports flexible cabling, while the included mounting options offer versatile installation in various rack configurations. The unit emphasizes surge protection and reliability, making it a strong choice for environments where equipment uptime matters.
TRENDnet TPI-06 6-Outlet Managed PDU
TRENDnet’s TPI-06 is a compact managed PDU with six NEMA 5-15R outlets and a dedicated bypass outlet. It also includes a Gigabit RJ-45 port for management and status monitoring, enabling remote control and diagnostics in professional IT environments. The 1U rack-mount design fits standard 19-inch racks, and UL certification provides an assurance of compliance with safety and performance standards. This model is well-suited for administrators seeking basic management features without overhauling existing rack energy infrastructure.
Buying Guide: Key Purchase Considerations For Rack-Mount PDUs
- Outlets and layout: Assess the total number of outlets and their placement (front, rear, or both). Front-facing outlets facilitate easy access for devices in tight rack spaces, while rear outlets are beneficial for clean cabling in crowded enclosures.
- Power delivery and circuit protection: Check the amperage rating (commonly 15A in the US) and whether a built-in circuit breaker is included. A surge protector or surge protection rating (joule rating) is important for safeguarding sensitive equipment.
- Power cord length and plug type: A longer cord (such as 12–15 ft) grants flexibility in larger rooms or closets. Ensure the plug type matches your power source (NEMA 5-15P in most US installations).
- Metering and monitoring: Metered or managed PDUs can provide current and voltage readings, power usage, and remote control. Consider OLED or LED indicators for quick status checks.
- Form factor and rack compatibility: Ensure the PDU is 1U and compatible with standard 19-inch racks. Some models support vertical or horizontal mounting; verify the mounting hardware is included or available as an accessory.
- Build quality and safety certifications: Look for metal housings and safety certifications (UL) to confirm durability and compliance with electrical standards in commercial environments.
- USB charging and auxiliary features: USB ports can be convenient for powering peripherals, table-top devices, or maintenance equipment without dedicating a separate power strip.
- Warranty and support: A solid warranty and responsive technical support add value, especially in business or data center contexts where uptime is critical.
When evaluating options, align the PDU’s specifications with your rack footprint, anticipated load, and management needs. For mixed AV, networking, and server deployments, models with both front and rear outlets, robust surge protection, and scalable management capabilities typically offer the best long-term value. Consider future growth and whether a metered or managed solution better supports energy efficiency initiatives in your environment.