Three-container yard
Power in a 40 ft unit, compute and coolant distribution in the first 20 ft, heat rejection in the second. The three dock in line on one pad.
Image pending
Ground-level three-quarter view of the 40 ft power unit, 20 ft IT unit, and 20 ft heat-rejection unit docked in a line. Coolant lines and conduit visible between the units. Doors closed. A person standing at one end for scale.
448
Across 5 racks
2 × 400 kVA
N+1
500 kW
Supply 20 °C, return 36.5 °C
24308 mm
40 ft, 20 ft, 20 ft docked
Definition
Yard 400 is three containers docked in line and set on a concrete pad. The power unit carries the uninterruptible supplies and the lithium storage. The IT unit carries the racks and the coolant distribution units. Heat rejection sits in the third, where a chiller plant works against a buffer volume and an N+1 pump set.
Exploded assembly
System anatomy
Service enters the 40 ft unit and leaves as a busbar feed to the racks.
The uninterruptible supplies are an N+1 pair. The unit carries its rating with one out of service.
Water carries the heat out of the IT unit and rejects it from the third.
The pump set is N+1. Coolant distribution is drawn as three units against the rack load.
Five racks arrive integrated and tested inside the IT unit.
Compute is not redundant. Power and cooling around it are.
The yard reports its own condition and puts itself out if it has to.
Detection is independent of the control system, so a controls fault does not blind the alarm path.
Specification · Rev A · 2026-08-10
Reference design. A row marked open has no settled value, and the note says what decides it.
| Attribute | Value | Unit | Notes |
|---|---|---|---|
| Units | Three, docked in line | ||
| Footprint | 40 ft, 20 ft, 20 ft | ||
| Unit lengths | 12192, 6058, 6058 | mm | |
| Overall length | 24308 | mm | |
| Section | 2896 high, 3100 wide | mm | |
| Siting | Concrete pad | Service from 0.5 to 5 MW Open |
Three, docked in line
40 ft, 20 ft, 20 ft
12192, 6058, 6058 mm
24308 mm
2896 high, 3100 wide mm
Concrete pad
Service from 0.5 to 5 MW
Open
| Attribute | Value | Unit | Notes |
|---|---|---|---|
| Uninterruptible supply | 2 × 400 | kVA | N+1 |
| Energy storage | 16 cabinets | 563 V | |
| Rack distribution | 48 | V busbar | |
| Room cooling | 2 × 26.9 | kW |
2 × 400 kVA
N+1
16 cabinets 563 V
48 V busbar
2 × 26.9 kW
| Attribute | Value | Unit | Notes |
|---|---|---|---|
| Racks | 5 | ea | |
| Trays | 112 | ea | At 4 accelerators each |
| Accelerators | 448 | ea |
5 ea
112 ea
At 4 accelerators each
448 ea
| Attribute | Value | Unit | Notes |
|---|---|---|---|
| Liquid cooling | 3 × 160 | kW | Direct to chip |
| In-row cooling | 3 × 30.5 | kW | |
| Heat rejection | 500 | kW | |
| Coolant temperatures | Supply 20, return 36.5 | °C | |
| Buffer volume | Cold storage tank | ||
| Circulation | Pump set | N+1 |
3 × 160 kW
Direct to chip
3 × 30.5 kW
500 kW
Supply 20, return 36.5 °C
Cold storage tank
Pump set
N+1
| Attribute | Value | Unit | Notes |
|---|---|---|---|
| Suppression | Clean agent, total flood | Agent set by jurisdiction Open | |
| Monitoring | Environmental, leak detection, access control |
Clean agent, total flood
Agent set by jurisdiction
Open
Environmental, leak detection, access control
Engineering package
What the drawing shows
The power unit carries sixteen energy-storage cabinets, two uninterruptible supplies at 400 kVA, a distribution cabinet feeding a 48 V busbar, and two room cooling units at 26.9 kW. The IT unit carries five racks holding 448 accelerators and three coolant distribution units at 160 kW. The heat-rejection unit carries a 500 kW chiller, a cold storage tank, and an N+1 pump set. Docked in line the three measure 24308 mm.
Concept · drawing pending
Held until the electrical engineer of record has reviewed it.
What the drawing shows
Service enters the 40 ft unit at a distribution cabinet. Two uninterruptible supplies in an N+1 pair carry the load, backed by sixteen lithium storage cabinets at 563 V, and feed the racks over a 48 V busbar.
Concept · drawing pending
Held until the mechanical engineer of record has reviewed it.
What the drawing shows
Three coolant distribution units at 160 kW hold the rack loop and pass heat to a facility loop running 20 °C supply and 36.5 °C return. A 500 kW plant in the third unit rejects it, buffered by a cold storage tank and circulated by an N+1 pump set.
Design basis
The counts and capacities come from a container plan view and a configuration workbook. The rack schedule comes from a design package. No unit has been fabricated, and every value is design intent.
At 3100 mm wide the units are over the standard road limit in most jurisdictions. Transport is a permitted move and the route is surveyed before order.
The 0.5 to 5 MW service range describes the sites this configuration suits. It is not a rating of the assembly.
Deployment
Duration not stated
Duration not stated
Duration not stated
Duration not stated
Duration not stated
Duration not stated
Next