What switches is the PWR-1011-AC-BLUE compatible with?

Designed for Arista 7280R3 Series including DCS-7280CR3K-36S/A (254-437W), DCS-7280R3-48 (650-1100W), and similar 1RU platforms. Requires EOS 4.22+ and matching FAN-7011H-R reverse fans for full 35°C operation.

What is the maximum power output at different voltages?

Delivers 1100W maximum at 200-240VAC/6A; derates to 1000W at 100-120VAC/12A. 80+ Platinum efficiency >94% typical supports high-density 25/100GbE switching without exceeding datacenter PDU limits.

Does it support mixed airflow in the same rack?

Yes, color-coded blue indicates reverse back-to-front airflow matching FAN-7011H-R trays. Enables deployment alongside forward airflow PSUs in heterogeneous environments while maintaining proper cooling alignment.

What redundancy does this power supply provide?

1+1 hot-swappable N+1 configuration with automatic failover. EOS provides power telemetry, usage monitoring, and fault isolation for proactive maintenance without service interruption.

What are the environmental specifications?

Operates 0-40°C (32-104°F), 5-90% non-condensing humidity. Reverse airflow limited to 35°C max ambient requiring EOS 4.29.1+ and high-speed fans for full performance.

Is this PSU hot-swappable?

Yes, fully hot-swappable with live insertion/removal support. Arista EOS handles graceful failover in redundant 1+1 setups, maintaining continuous packet forwarding during replacement.

PWR-1011-AC-BLUE - Arista PWR-1011-AC-BLUE 1100W AC Reverse 1RU Datacenter PSU

Name: Arista PWR-1011-AC-BLUE 1100W AC Reverse 1RU Datacenter PSU
Brand: Arista
SKU: PWR-1011-AC-BLUE
Price: 3095 USD
Availability: InStock

PWR-1011-AC-BLUE - Arista PWR-1011-AC-BLUE 1100W AC Reverse 1RU Datacenter PSU | US IT Hardware

Product overview

The Arista PWR-1011-AC-BLUE is a high-efficiency 1100W AC power supply designed specifically for the 7280R3 Series data center switches, providing critical power infrastructure for high-density 25/100GbE deployments. Featuring reverse (back-to-front) airflow and color-coded blue identification, it ensures proper cooling alignment in mixed-airflow rack environments. With 100-240VAC universal input and 80+ Platinum certification, it delivers up to 1100W output at 12A/200-240VAC or 6A/100-120VAC, supporting 50/60Hz operation across global data centers. Hot-swappable design enables N+1 redundancy with 1+1 PSU configurations, minimizing downtime through seamless failover. The 73.5mm slim 1RU form factor optimizes rack space while maintaining platinum-level power efficiency (>94% at typical loads). Compatible with DCS-7280CR3K and similar models requiring 535-1100W power budgets, it handles maximum draws up to 865W under full port utilization at 25°C ambient. Engineered for hyperscale environments, the PSU integrates with Arista EOS for telemetry monitoring, power capping, and fault isolation. Its robust construction supports 24/7 operation with MTBF exceeding carrier-grade standards, making it ideal for cloud providers, financial trading platforms, and service provider networks demanding five-nines availability and energy-efficient operation.

1100W AC output 100-240V input.
Reverse B2F airflow blue coded.
80+ Platinum 1+1 hot-swap redundancy.
7280R3 Series compatible 1RU.
0-40°C operation 5-90% humidity.
EOS power telemetry monitoring.

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	PWR-1011-AC-BLUE
Brand	Arista
Condition	Refurbished
MTBF	Carrier-grade reliability; >2M hours estimated
Model	PWR-1011-AC-BLUE
Hot-Swap	Yes; supports live replacement
Efficiency	80+ Platinum certified (>94% typical)
Management	EOS telemetry; power monitoring; fault isolation
Redundancy	1+1 hot-swappable N+1 configuration
Product Line	7280R3 Series Power Supplies
Product Type	Hot-Swap AC Power Supply Unit

Compatible systems

Optimized for Arista 7280R3 Series 1RU datacenter switches with reverse airflow requirements. EOS 4.22+ required.

Arista 7280R3 Series
Model: DCS-7280CR3K-36S
Form factor: 1U Rack
Generation: R3
254W typical / 423W max draw
Arista 7280R3 Series
Model: DCS-7280CR3K-36A
Form factor: 1U Rack
Generation: R3
262W typical / 437W max draw
Arista 7280R3 Series
Model: DCS-7280R3-48
Form factor: 1U Rack
Generation: R3
650W typical / 1100W max; PWR-1511 primary

Best for

Datacenter Top-of-Rack
Powers 7280R3 Series switches in spine/leaf architectures handling 4.8Tbps throughput for hyperscale east-west traffic patterns in cloud data centers.
Cloud Service Providers
Provides N+1 redundant power for 25/100GbE switching platforms running EOS with VXLAN overlays and EVPN routing in multi-tenant cloud environments.
Financial Trading Networks
Delivers reliable 1100W capacity with reverse airflow matching high-speed trading deployments requiring sub-microsecond latency and five-nines uptime.

Details

Shipping, warranty & returns

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Compatibility	7280R3 Series; DCS-7280CR3K-36S/A; 535-865W systems

Certifications	80 PLUS Platinum; NEBS compliant design

Power Consumption

Frequency	50/60 Hz universal input
Current Draw	12A @100-120VAC; 6A @200-240VAC
Power Output	1100W maximum; 1000W at 100-120VAC
Input Voltage	100-120 / 200-240 VAC; 12/6 A; 50/60 Hz
Power Draw Support	254W/423W typical/max for 7280CR3K-36S

Cooling	Matched to FAN-7011H-R reverse fans
Dimensions	73.5mm width; 1RU height standard depth
Rack Units	1RU compatible
Form Factor	1RU; 73.5mm slim profile

Humidity	5-90% non-condensing
Airflow Direction	Back-to-Front (Reverse); Color-coded BLUE
Operating Temperature	0-40°C (32-104°F); up to 35°C reverse airflow

Arista PWR-1011-AC-BLUE 1100W AC Reverse 1RU Datacenter PSU