The ultimate GPU server for deep learning

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Lambda Scalar server with 4x NVIDIA GPUs

10,000+ research teams trust Lambda

Spec Highlights

Engineered for your workload

Tell us about your research and we'll design a machine that's perfectly tailored to your needs.

Up to
8
GPUs
from NVIDIA
Up to
128
cores
and 256 threads
Up to
4096
GB of
memory
Up to
60
TB of
NVMe SSDs

The industry standard for AI infrastructure

Lambda power breakthroughts in research across the planet

#1 NVIDIA partner
for solutions integration, 2 years running.
10,000+
research groups use Lambda.
47 out of 50
of the top universities use Lambda.
83 countries
have Lambda infrastructure deployed.
Lambda Stack

Plug in. Start training.

Our servers include Lambda Stack, which manages frameworks like Pytorch and TensorFlow. With Lambda Stack, you can stop worrying about broken GPU drivers and focus on your research.

  • Zero configuration required
    All your favorite frameworks come pre-installed.
  • Easily upgrade PyTorch and TensorFlow
    When a new version is released, just run a simple upgrade command.
  • No more broken GPU drivers
    Drivers will "just work" and keep compatible with popular frameworks.
Learn more
Support
Scalar Premium Support

Lambda Premium Support

With our Premium Support option, you can focus on your code and leave the rest to us. If something goes wrong with your machine, whether it be a driver issue, kernel panic, or hardware failure, our support team can debug it.

  • Expert assistance
    From engineers ready to troubleshoot your hardware, operating system, and machine learning software.
  • Extra cover
    An extended warranty covering hardware failures with rapid repair and replacement.
  • Always here
    Providing you with live help from a dedicated contact via phone or email.
Learn more
Scalar Premium Support
Colocation

Your servers. Our datacenter.

Lambda Colocation makes it easy to deploy and scale your machine learning infrastructure. We'll manage racking, networking, power, cooling, hardware failures, and physical security. Your servers will run in a Tier 3 data center with state-of-the-art cooling that's designed for GPUs. You'll get remote access to your servers, just like a public cloud.

Learn more
Fast support
If hardware fails, our on-premise data center engineers can quickly debug and replace parts.
Optimal performance
Our state-of-the-art cooling keeps your GPUs cool to maximize performance and longevity.
High availability
Our Tier 3 data center has redundant power and cooling to ensure your servers stay online.
No network set up
We handle all network configuration and provide you with remote access to your servers.
Research

Explore our research

View all research
Tech Specs

Technical specifications

GPUs

Up to 8 GPUs · NVIDIA® A40, A30, RTX A6000, RTX A5000, and RTX A4500 options...

Up to 8 GPUs. Options include:

  • NVIDIA® A40: 48 GB of GDDR6, 10,752 CUDA cores, 336 Tensor Cores, PCIe 4.0 x16, passive cooling
  • NVIDIA® A30: 24 GB of GDDR6, 3,584 CUDA cores, 224 Tensor Cores, PCIe 4.0 x16, passive cooling
  • NVIDIA® RTX A6000: 48 GB of GDDR6, 10,752 CUDA cores, 336 Tensor Cores, PCIe 4.0 x16
  • NVIDIA® RTX A5000: 24 GB of GDDR6, 8,192 CUDA cores, 256 Tensor Cores, PCIe 4.0 x16
  • NVIDIA® RTX A4500: 20 GB of GDDR6, 7,168 CUDA cores, 224 Tensor Cores, PCIe 4.0 x16

Processors

2 AMD EPYC™ 7003 series CPUs · Up to 64 cores, 256 threads, 256 MB cache per processer...

2 AMD EPYC™ 7003 series CPUs. Options include:

  • AMD EPYC 7313: 16 cores, 32 threads, 3.0 GHz base, 3.70 GHz boost, 128 MB cache
  • AMD EPYC 7413: 24 cores, 48 threads, 2.65 GHz base, 3.60 GHz boost, 128 MB cache
  • AMD EPYC 7513: 32 cores, 64 threads, 2.60 GHz base, 3.65 GHz boost, 128 MB cache
  • AMD EPYC 7643: 48 cores, 96 threads, 2.30 GHz base, 3.60 GHz boost, 256 MB cache
  • AMD EPYC 7663: 56 cores, 112 threads, 2.0 GHz base, 3.50 GHz boost, 256 MB cache
  • AMD EPYC 7713: 64 cores, 128 threads, 2.0 GHz base, 3.675 GHz boost, 256 MB cache
  • AMD EPYC 7763: 64 cores, 128 threads, 2.45 GHz base, 3.50 GHz boost, 256 MB cache

System memory

Up to 2048 GB of 3200 MHz DDR4 ECC RAM in 16 DIMM slots · 8 memory channels per processor
  • Up to 2048 GB of 3200 MHz DDR4 ECC RAM in 16 DIMM slots
  • 8 memory channels per processor

Operating system drive

Up to 15.36 TB of storage via one 2.5" NVME SSD (PCIe 3.x)

Up to 15.36 TB of storage via one 2.5" NVME SSD (PCIe 3.x)

Additional storage drives

Up to 46.08 TB of additional storage via 3 hot-swappable 2.5" NVMe SSDs (PCIe 3.x) · Designed...
  • Up to 46.08 TB of extra storage via 3 hot-swappable 2.5" NVMe SSDs (PCIe 3.x)
  • Designed to store large data sets and model checkpoints

Networking

Up to 2 high-speed Ethernet or Infiniband NICs · 2 RJ45 10 Gbps BASE-T LAN ports · 1 RJ45...

Built-in networking:

  • 2 RJ45 10 Gbps BASE-T LAN ports
  • 1 RJ45 10/100/1000 Mbps BASE-T LAN out-of-band management port

Up to 2 high-speed NICs. Options include:

  • 200 Gbps InfiniBand NVIDIA HDR ConnectX-6 VPI Adapter Card, 2x QSFP56, PCIe 4.0 x16
  • 200 Gbps InfiniBand NVIDIA HDR ConnectX-6 VPI Adapter Card, 1x QSFP56, PCIe 4.0 x16
  • 100 Gbps InfiniBand NVIDIA HDR100 ConnectX-6 VPI Adapter Card, 1x QSFP56, PCIe 4.0 x16
  • 100 Gbps InfiniBand NVIDIA HDR100 ConnectX-6 VPI Adapter Card, 2x QSFP56, PCIe 4.0 x16
  • 200 Gbps Ethernet NVIDIA ConnectX-6 EN Adapter Card, 2x QSFP56, PCIe 4.0 x16
  • 200 Gbps Ethernet NVIDIA ConnectX-6 Dx EN Adapter Card, 1x QSFP56, PCIe 4.0 x16
  • 100 Gbps Ethernet NVIDIA ConnectX-6 EN Adapter Card, 2x QSFP56, PCIe 4.0 x16
  • 100 Gbps Ethernet NVIDIA ConnectX-6 Dx EN Adapter Card, 1x QSFP56, PCIe 4.0 x16

Power

Two 2200 watt 80 PLUS™ Platinum power supplies · 2 + 0 redundancy...
  • Two 2200 watt 80 PLUS™ Platinum power supplies
  • 2 + 0 redundancy

AC input:

  • 200-240 Vac / 12.6 amperes / 47-63 Hz

Max output per PSU:

  • 200-240V Vac: 2200 watts

Front I/O

Power button with LED · Reset button · UID button with LED · System status LED · 2 LAN activity...
  • Power button with LED
  • Reset button
  • UID button with LED
  • System status LED
  • 2 LAN activity LEDs, one for each RJ45 10 Gbps BASE-T LAN port
  • Storage drive activity LED

Rear I/O

VGA port · 2 USB 3.0 ports · Power button with LED · Reset button · UID button with LED · NMI...
  • VGA port
  • 2 USB 3.0 ports
  • Power button with LED
  • Reset button
  • UID button with LED
  • NMI button
  • System status LED

Accessories

Rackmounting kit · C19 to C20, 15AWG, 250V/15A, 6 foot power cables
  • Rackmounting kit
  • 2 C19 to C20, 15AWG, 250V/15A, 6 foot power cables

Dimensions & weight

2 rack units (2U) · 17.64 in (width) x 3.4 in (height) x 31.5 in (depth) · 99 lbs with packaging...
  • Form factor: 2U rackmount
  • Width: 17.64 inches (448 mm)
  • Height: 3.4 inches (87.5 mm)
  • Depth: 31.5 inches (800 mm)
  • Server weight: 73 lbs (33 kg)
  • Rackmounting kit weight: 5 lbs (2.3 kg)
  • Total weight with packaging: 99 lbs (45 kg)

GPUs

Up to 8 GPUs · NVIDIA® A100, A40, A30, RTX A6000, RTX A5000, and RTX A4000 options

Up to 8 GPUs. Options include:

  • NVIDIA® A100: 80 GB of HBM2e, 6,912 CUDA cores, 432 Tensor Cores, PCIe 4.0 x16, passive cooling
  • NVIDIA® A40: 48 GB of GDDR6, 10,752 CUDA cores, 336 Tensor Cores, PCIe 4.0 x16, passive cooling
  • NVIDIA® A30: 24 GB of GDDR6, 3,584 CUDA cores, 224 Tensor Cores, PCIe 4.0 x16, passive cooling
  • NVIDIA® RTX A6000: 48 GB of GDDR6, 10,752 CUDA cores, 336 Tensor Cores, PCIe 4.0 x16
  • NVIDIA® RTX A5000: 24 GB of GDDR6, 8,192 CUDA cores, 256 Tensor Cores, PCIe 4.0 x16
  • NVIDIA® RTX A4500: 20 GB of GDDR6, 7,168 CUDA cores, 224 Tensor Cores, PCIe 4.0 x16
  • NVIDIA® RTX A4000: 16 GB of GDDR6, 6,144 CUDA cores, 192 Tensor Cores, PCIe 4.0 x16

Processors

2 AMD EPYC™ 7003 CPUs · Up to 64 cores, 256 threads, 256 MB cache per processor...

2 AMD EPYC™ 7003 series CPUs. Options include:

  • AMD EPYC 7313: 16 cores, 32 threads, 3.0 GHz base, 3.70 GHz boost, 128 MB cache, PCIe 4.0
  • AMD EPYC 7413: 24 cores, 48 threads, 2.65 GHz base, 3.60 GHz boost, 128 MB cache, PCIe 4.0
  • AMD EPYC 7513: 32 cores, 64 threads, 2.60 GHz base, 3.65 GHz boost, 128 MB cache, PCIe 4.0
  • AMD EPYC 7643: 48 cores, 96 threads, 2.30 GHz base, 3.60 GHz boost, 256 MB cache, PCIe 4.0
  • AMD EPYC 7663: 56 cores, 112 threads, 2.0 GHz base, 3.50 GHz boost, 256 MB cache, PCIe 4.0
  • AMD EPYC 7713: 64 cores, 128 threads, 2.0 GHz base, 3.675 GHz boost, 256 MB cache, PCIe 4.0
  • AMD EPYC 7763: 64 cores, 128 threads, 2.45 GHz base, 3.50 GHz boost, 256 MB cache, PCIe 4.0

System memory

Up to 4096 GB of 3200 MHz DDR4 ECC RAM in 32 DIMM slots · 8 memory channels per processor
  • Up to 4096 GB of 3200 MHz DDR4 ECC RAM in 32 DIMM slots
  • 8 channels per processor

Operating system drive

Up to 15.36 TB of storage via one 2.5" NVME SSD (PCIe 3.x or PCIe 4.0)

Up to 15.36 TB of storage via one 2.5" NVME SSD (PCIe 3.x or PCIe 4.0)

Additional storage drives

Up to 46.08 TB of additional storage via 3 hot-swappable 2.5" NVMe SSDs (PCIe 3.x or 4.0) · Designed...
  • Up to 46.08 TB of additional storage via 3 hot-swappable 2.5" NVMe SSDs (PCIe 3.x or 4.0)
  • Designed to store large data sets and model checkpoints

Networking

Optional high-speed Ethernet or Infiniband NIC · 2 RJ45 1 Gbps BASE-T LAN ports · 1 RJ45...

Built-in networking:

  • 2 RJ45 1 Gbps BASE-T LAN ports
  • 1 RJ45 10/100/1000 Mbps BASE-T LAN out-of-band management port

Optional high-speed NIC. Options include:

  • 200 Gbps InfiniBand NVIDIA HDR ConnectX-6 VPI Adapter Card, 2x QSFP56, PCIe 4.0 x16
  • 200 Gbps InfiniBand NVIDIA HDR ConnectX-6 VPI Adapter Card, 1x QSFP56, PCIe 4.0 x16
  • 100 Gbps InfiniBand NVIDIA HDR100 ConnectX-6 VPI Adapter Card, 1x QSFP56, PCIe 4.0 x16
  • 100 Gbps InfiniBand NVIDIA HDR100 ConnectX-6 VPI Adapter Card, 2x QSFP56, PCIe 4.0 x16
  • 200 Gbps Ethernet NVIDIA ConnectX-6 EN Adapter Card, 2x QSFP56, PCIe 4.0 x16
  • 200 Gbps Ethernet NVIDIA ConnectX-6 Dx EN Adapter Card, 1x QSFP56, PCIe 4.0 x16
  • 100 Gbps Ethernet NVIDIA ConnectX-6 EN Adapter Card, 2x QSFP56, PCIe 4.0 x16
  • 100 Gbps Ethernet NVIDIA ConnectX-6 Dx EN Adapter Card, 1x QSFP56, PCIe 4.0 x16

Power

4 hot-swappable 2000 watt 80 PLUS™ Titanium power supplies · 2 + 2 redundancy...
  • 4 hot-swappable 2000 watt 80 PLUS™ Titanium power supplies
  • 2 + 2 redundancy

AC input:

  • 100-127 Vac / 12-9.0 amperes / 50-60 Hz
  • 200-220 Vac / 10-9.8 amperes / 50-60 Hz
  • 220-230 Vac / 10-9.8 amperes / 50-60 Hz
  • 230-240 Vac / 10-9.8 amperes / 50-60 Hz

Max output per PSU:

  • 100–127 Vac: 1000 watts
  • 200–220 Vac: 1800 watts
  • 220–230 Vac: 1980 watts
  • 230–240 Vac: 2000 watts

Front I/O

Power button · Reset button · Power LED · ID button with LED · Information LED · Power supply...
  • Power button
  • Reset button
  • Power LED
  • ID button with LED
  • Information LED
  • Power supply failure LED
  • 2 LAN activity LEDs, one for each RJ45 1 Gbps BASE-T LAN port
  • Storage drive activity LED

Rear I/O

VGA port · 2 USB 3.0 ports · Serial port · 2 RJ45 1 Gbps BASE-T LAN ports · 1 RJ45 10/100/1000...
  • VGA port
  • 2 USB 3.0 ports
  • 2 RJ45 1 Gbps BASE-T LAN ports
  • 1 RJ45 10/100/1000 Mbps BASE-T LAN out-of-band management port

Dimensions & weight

4 rack units (2U) · 17.2 in (width) x 7.0 in (height) x 29.0 in (depth) · 100 lbs with packaging...
  • Form factor: 4U rackmount
  • Width: 17.2 inches (437 mm)
  • Height: 7.0 inches (179 mm)
  • Depth: 29.0 inches (737 mm)
  • Server weight: 73 lbs (33 kg)
  • Rackmounting kit weight: 5 lbs (2.3 kg)
  • Total weight with packaging: 99 lbs (45 kg)