Lenovo NVIDIA GB300 NVL72 Rack Scale AI (Type 7DJV)
Renders, not photographs. Produced to DC Atlas art direction from the manufacturer’s own product image, so form, panel layout and controls follow the real machine. Vendor branding is deliberately not reproduced.
Specification
68 of 80 publishedClassification
- Offering type
- Partner build of reference design
- Reference design
- Nvidia gb300 nvl72
- Accelerator
- NVIDIA Blackwell Ultra B300
- Host CPU
- NVIDIA Grace
- Rack standard
- Nvidia mgx rack
- Rack height (RU)
- 48 U
Scale-up domain
- Accelerators per rack
- 72
- Host CPUs per rack
- 36
- Scale-up bandwidth per accelerator
- 1,800 GB/s
- Scale-up switch trays
- 9
- In-rack management switches
- 2
Compute and networking
- Compute trays
- 18
- Accelerators per compute tray
- 4
- Compute tray model
- 7DLZ GB300 Compute tray
- Compute tray height
- 43.6 mm
- Compute tray weight
- 29 kg
- Accelerator memory per unit
- 288 GB
- Memory figure basis
- Unstated
- Scale-out port speed
- 800 Gb/s
- Scale-out ports per compute tray
- 4
Rack power
- Rack power (headline)
- 135 kW
- Headline power basis
- Tdp nominal
- Power shelves (min)
- 6
- Power shelves (max)
- 8
- Power shelf output
- 33 kW
- PSUs per shelf
- 6
- PSU rating
- 5.5 kW
- Power redundancy options
- Non redundant, Redundant scheme unstated
- DC busbar voltage (nominal)
- 50 V
- DC busbar voltage (min)
- 47.5 V
- DC busbar voltage (max)
- 51.5 V
- Busbar current rating
- 1,400 A
Rack power ratings
| Kind | Power (kW) | Label as published |
|---|---|---|
| Tdp nominal | 135 kW | Each rack consumes 135 kW TDP |
| Edp peak | 155 kW | Up to 155 kW peak depending on workload and EDP behavior |
Liquid cooling
- Cooling architecture
- Dlc hybrid air liquid
- Heat to liquid
- 90 %
- Heat to air
- 10 %
- Liquid-cooled components
- Cpu, Gpu, Gpu memory, Scale out nic, Nvlink switch
- Air-cooled components
- Optical transceivers, Storage, Power distribution board, Boot drive
- Max coolant supply temperature
- 45 °C
- Loop the temperature refers to
- Unstated
- Approved coolants
- Deionized water, Pg25
- Coolant as shipped
- Shipped dry nitrogen charged
- Leak detection
- Third party module, Rack leak tray
Validated CDU options
| CDU type | Supplied | As published |
|---|---|---|
| In rack or in row unspecified | Unstated | Water connections to the MGX Rack are provided using hoses that connect directly to the coolant distribution unit (CDU), inlet and return, either an in-rack CDU or in-row CDU. |
Coolant operating points
| Supply temperature (°C) | Required rack flow (L/min) | Rack pressure drop (kPa) | Loop | As published |
|---|---|---|---|---|
| 25 °C | 59 L/min | 15.86 kPa | Unstated | 25°C | 59 LPM | 2.3 psi |
| 30 °C | 71 L/min | 22.06 kPa | Unstated | 30°C | 71 LPM | 3.2 psi |
| 35 °C | 89 L/min | 33.78 kPa | Unstated | 35°C | 89 LPM | 4.9 psi |
| 40 °C | 119 L/min | 58.61 kPa | Unstated | 40°C | 119 LPM | 8.5 psi |
| 45 °C | 177 L/min | 126.86 kPa | Unstated | 45°C | 177 LPM | 18.4 psi |
Air side and environment
- Air inlet temperature (min)
- 10 °C
- Air inlet temperature (max)
- 35 °C
- ASHRAE air class
- A2
- Altitude derating
- The maximum allowable operating temperature is de-rated by 1°C for every 300 m (1,000 ft) up to an altitude of 1,371 m (4,500 ft) above sea level.
- Operating humidity (min)
- 20 %
- Operating humidity (max)
- 80 %
Acoustic ratings
| Quantity | Value (dB) | Position | As published |
|---|---|---|---|
| Sound pressure lpam | 82.9 dB | — | Sound pressure level (LpAm): up to 82.9 dB |
| Unstated dba | 92 dB | Rack rear | Estimated that the rack will operate around 92dBA from rack rear, typical ambient and rack exercised |
Physical and siting
- Rack width
- 600 mm
- Rack depth
- 1,068 mm
- Rack height
- 2,236 mm
- Dimension basis
- Basis unstated
- Rack depth with extension frame
- 1,200 mm
- Rack weight
- 1,580 kg
- Weight basis
- Approximate configuration dependent
- Weight as published
- Approximately 1,580 kg (3,483.3 lbs), depending on the configuration
Facility interfaces
- Power whip connector
- 1x 60A IEC60309 whip per power shelf, 7 pin 60A AC input connector
- Power whip current
- 60 A
- Manifold feed options
- Top feed, Bottom feed
- Quick disconnect type
- UQDB04
- Rack-to-CDU connection
- 1” FD83 BSPP
- Static pressure at quick disconnect
- 206.84 kPa
- Manifold material
- 304L or 316L austenitic stainless steel
Part numbers
Vendor part numbers
| Part number | Description as published |
|---|---|
| 7DJVCTO2WW C5RK | 48U MGX Rack (Rack Base Non-redundant Power, 6 Shelves) |
| 7DJVCTO2WW C5RJ | 48U MGX Rack (Rack Base Redundant Power, 8 Shelves) |
| 7DLZCTO2WW CAAX | GB300 Compute tray |
| 7DJYCTO3WW C63C | GB300 NVL Switch Tray |
| C5RR | Power Shelf, 1U, 33kW |
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NVIDIANVIDIA DGX GB200Renders, not photographs. Product images are generated to DC Atlas art direction from each manufacturer’s own product image, so form, panel layout and controls follow the real machine. Vendor branding is not reproduced. Where a manufacturer publishes no image of an individual model, the render follows another unit in the same range.